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Programming Meter Settings

7-9

April 2009

Changing Date and Time Appearance (Locale)

In addition to setting the correct date and time, you can also
change its presentation to suit local preferences. You can select a
time display of AM/PM or 24-hour time

To alter the time and date display:

1.

From the Meter menu, scroll to the Locale entry and press

[ENTER]

. The Display Options window opens on the Format

tab, as shown in Figure 7-4 below. To step through each
parameter, press the [

T

] key.

Figure 7-4: Format Tab in the Display Options Window

Display

Display Options

Locale

Date Format

Separators:

Time Format

Time

Date/Time, Decimal Formats:

MM/DD/YYYY

/

12 Hour

:

MM/DD/YYYY HH:MM:SS PM, 123.45

Cancel

OK

Decimal

Date

.

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Содержание TransPort PT878GC

Страница 1: ...GE Sensing Inspection Technologies TransPort PT878GC Portable Gas Flowmeter User s Manual ...

Страница 2: ...GE Sensing Inspection Technologies TransPort PT878GC Portable Gas Flowmeter User s Manual 910 229B3 April 2009 ...

Страница 3: ... that the equipment was defective the warranty period is one year from delivery for electronic or mechanical failures one year from delivery for sensor shelf life If GE Infrastructure Sensing Inc determines that the equipment was damaged by misuse improper installation the use of unauthorized replacement parts or operating conditions outside the guidelines specified by GE Infrastructure Sensing In...

Страница 4: ...c instructs you to send your instrument to a service center it must be shipped prepaid to the authorized repair station indicated in the shipping instructions 3 Upon receipt GE Infrastructure Sensing Inc will evaluate the instrument to determine the cause of the malfunction Then one of the following courses of action will then be taken If the damage is covered under the terms of the warranty the i...

Страница 5: ...2 6 Powering On and Off 2 7 Using the Screen and Keypad 2 10 Screen 2 10 Keypad 2 12 Obtaining On Line Help 2 14 Chapter 3 Installing the Dampening Material Transducers and Fixtures Application Requirements 3 3 Preparing the Pipe 3 10 Performing a Pipe Survey 3 11 Obtaining the Transducer Spacing 3 13 Installing the V Series Clamping Fixture and Transducers 3 14 Installing the Fixture 3 14 Install...

Страница 6: ...al Path Parameters 4 15 Path Parameters for Clamp On Transducers 4 16 Entering the Standard Volume Mass Flow Parameters 4 17 Entering Inputs in the Standard Volume Option 4 19 Entering Mass Flow Parameters 4 22 Entering Skan Measure Parameters 4 24 Entering Skan Measure Integrate Parameters 4 28 Entering Skan Measure Count Parameters 4 30 Entering Skan Correlation Parameters 4 32 Entering Analog I...

Страница 7: ...onological Order 5 17 Chapter 6 Displaying and Configuring Data The Format Option 6 2 The View Option 6 4 The Limits Option 6 5 The Measurement Option 6 7 Customizing the Display Screen 6 9 Specifying the Number of Displayed Parameters 6 10 Customizing Softkeys 6 11 Managing Files The Drive Manager 6 14 Refreshing a File 6 16 Transferring a File to a PC 6 16 Transferring a File from a PC to the PT...

Страница 8: ... a Selected Log 8 10 Renaming a Log 8 11 Deleting a Log 8 11 Deleting All Logs 8 12 Refreshing a Log 8 12 Printing a Log 8 13 Transferring a Log to a PC 8 13 The Log Menu 8 14 Stopping Pausing a Log 8 15 Restarting a Log 8 15 Ending a Log 8 15 Pausing All Logs 8 16 Restarting All Logs 8 16 Ending All Logs 8 16 View All Sites 8 16 The View Menu 8 17 Displaying Log Details 8 18 Displaying Log Data i...

Страница 9: ...9 23 Setting up Signal Parameters 9 25 Setting up the Measurement Mode 9 28 Setting Up Pulse Code Parameters 9 30 Setting Error Limits 9 32 The Test Option 9 35 Testing the Screen 9 36 Testing the Keys 9 37 Testing the Watchdog Timer Circuit 9 38 Setting Impulse Response 9 39 Taking Wave Samples for Diagnosis 9 40 Applying a Stored Signal for Diagnosis 9 40 Testing the Battery 9 41 Resetting to Fa...

Страница 10: ...xygen Argon 11 3 Pressure Requirements Natural Gas 11 3 Pressure Requirements Steam 11 3 Pressure Requirements Other Gases 11 3 Measurement Parameters 11 3 Electronics 11 4 Flow Measurement 11 4 Enclosures 11 4 Dimensions 11 4 Display 11 4 Keypad 11 4 Internal Battery 11 4 Battery Charger Input 11 4 Memory 11 4 Operating Temperature 11 4 Storage Temperature 11 4 Standard Inputs Outputs 11 5 Digita...

Страница 11: ...ucer 11 8 Pipe Thickness Range 11 8 Pipe Materials 11 8 Accuracy 11 8 Thermal Exposure 11 8 Additional Options 11 8 PC Communication 11 8 RS232 to Infrared 11 8 Printer 11 8 Appendix A Menu Maps Appendix B Establishing IR Communications with the PT878GC Windows 2000 XP B 2 Windows NT4 0 B 3 Windows Me 98SE 98 95 B 3 Appendix C Ultrasonic Thickness Gauge Theory of Operation Factors Affecting Perfor...

Страница 12: ... 01 covers pipe sizes from 3 4 in to 12 in 20 to 300 mm the PT878GC 02 covers pipe sizes from 4 to 24 in 100 to 300 mm To identify your PT878GC refer to the label on the back of the electronics unit shown in Figure 3 2 on page 3 3 The flowmeter provides one linear 0 4 20 mA analog output of flow velocities or volumetric flow rate of clean dry gases measuring velocities from 1 to 120 ft sec 0 3 to ...

Страница 13: ...runs on rechargeable or alkaline batteries for up to 8 hours This small lightweight flowmeter displays measurements in both numeric and graphical form on a 240 x 200 pixel EL backlit LCD graphic screen The TransPort also has the capability of logging over 100 000 flow data points internally Using an infrared communications port the TransPort can transmit or print logged data as well as site files ...

Страница 14: ...nsducers onto the pipe or inserted as a substitute pipe section spoolpiece The flowcell must provide mechanical support for the transducers and assure stable conditions for accurate flow measurement B TRANSDUCERS The transducers convert electrical energy into ultrasonic pulses when in a transmit cycle and convert the ultrasonic pulses back to electrical energy when in a receive cycle In other word...

Страница 15: ...e received signals to a level suitable for the data acquisition circuitry D DATA ACQUISITION The data acquisition circuitry digitizes the received signal and stores it in a buffer for processing by the microcomputer E TIMING CIRCUIT The timing circuit generates the transmitter frequency receive window controls the data acquisition circuit and the direction of the transmission F MICROCOMPUTER The m...

Страница 16: ...rs and receivers When mounted on a pipe they are in acoustic communication with each other so that each transducer can receive ultrasonic signals transmitted by the other transducer Each transducer thus functions as a transmitter generating a certain number of acoustic pulses and as a receiver for an identical number of pulses The flowmeter measures the time interval between transmission and recep...

Страница 17: ...ransPort for operation This includes the following procedures Making Electrical Connections Charging and or Replacing Batteries Powering On and Off Using the Screen and Keypad Obtaining On Line Help Figure 2 1 below shows the PT878GC in its specially designed case Figure 2 1 The PT878GC and Accessories ...

Страница 18: ...ducer Analog Input Output Infrared Interface Make all connections to the top of the TransPort unit as shown in Figure 2 2 below Please note that you only need to make the proper transducer connections The other connections are required for particular functions but are not necessary for basic operation Figure 2 2 Connection Locations XDCR Downstream Upstream Infrared Transceiver Input Output See Ta...

Страница 19: ...his manual In addition be sure to follow all applicable safety codes and regulations for installing electrical equipment in your area Transducer Connections The transducer cables connect to the TransPort with LEMO coaxial type connectors Each color coded cable has a collar labeled UPSTREAM or DOWNSTREAM Make transducer cable connections to the top of the flowmeter as shown in Figure 2 2 on the pre...

Страница 20: ...Cs Users can send and receive site and log data The PT878GC was designed for use with products that comply to the IrDA protocol For more information on establishing IR communications between the PT878GC and your PC refer to Appendix B Table 2 1 Cable Assembly for Analog Inputs Outputs Pin Number Wire Color Description 1 Black Analog Out 1 2 Red 16 V switched 3 White Input A Temperature or Pressure...

Страница 21: ...ies simply plug the AC power module cord into the power jack shown in Figure 2 2 on page 2 2 and be sure the battery pack is installed When the PT878GC is plugged into line voltage the internal battery charger automatically charges the batteries whether the PT878GC is on or off If the PT878GC is on the Battery icon in the upper right corner of the screen indicates battery status as shown in Table ...

Страница 22: ...ze NiCad high energy rechargeable batteries GE Sensing Part Number 200 058 or 3 0 Ahr NiMH batteries part number 200 081 To replace the batteries remove the rubber boot open the panel located on the back of the PT878GC unit disconnect the batteries and replace with new ones see Figure 2 3 below Figure 2 3 Rear View of PT878GC To further extend the battery power on the PT878GC the GE Sensing Part 7...

Страница 23: ...p the PT878GC emits a short beep and displays a PCI Loader message It then validates the instrument programming and then displays the GE Sensing logo and the software version and emits a long beep If the meter fails any of these tests contact GE Sensing Caution If the meter fails the backup battery test you must send the unit back to the factory for a battery replacement Make sure you keep the NiC...

Страница 24: ... After the meter conducts all the self checks the screen then appears similar to the one shown in Figure 2 4 below Figure 2 4 Screen After Powering On 2004 11 30 09 53 AM Velocity ft s Signal dB 0 00 32 Delta T ns 0 10 0 0 Volume l s E0 No Errors ABC SIT ...

Страница 25: ... into sleep mode In this mode some of the power supplies shut down but the PT878GC remains in a standby mode Users can resume taking measurements immediately by pressing the power button Press F3 to cancel the command and return the PT878GC to normal operation If the PT878GC locks up you can reset it by holding the power key the red key in the upper right corner for 15 seconds Velocity ft s Signal...

Страница 26: ...u to accurately and easily take measurements The TransPort screen consists of seven parts see Figure 2 6 below Figure 2 6 The PT878GC Screen in Operate Mode The top line of the screen is the status bar which normally displays the time date and current site However when you press MENU the menu key the Menu Bar replaces the status bar 2000 11 30 09 53 AM Velocity ft s Signal dB 0 00 32 Delta T ns 0 ...

Страница 27: ...ons not otherwise shown Table 2 3 below lists the icons and their meanings The bottom of the screen displays the three feature key options F1 F2 and F3 The feature keys have different functions depending on the task you are performing Table 2 3 Icons in the System Tray Icon Function Meaning IR Transfer IR data transfer in progress Alert Indicates the meter encoun tered an error in operation Log Ru...

Страница 28: ... to enter numeric data 4 arrow keys W X S T enable you to move through the menu options Help key enables you to access on line help MENU Menu key enables you to access the Menu Bar ENTER enables you to enter a particular menu and enters selected values into the TransPort memory SEL enables you to move between data measurements on the screen ESC enables you to exit menus or menu options at any time...

Страница 29: ...Initial Setup 2 13 April 2009 Keypad cont Figure 2 7 The TransPort PT878GC Keypad ...

Страница 30: ...o navigate to the desired menu and press ENTER Repeat this procedure to access the desired topic within the menu When you have finished using the Help menu Press F1 Back to move back one level Press F2 TOC to return to the Table of Contents Press F3 Close to return to the previous screen Velocity ft s Signal dB Help Table of Contents Back TOC Close Site Menu Program Menu Meter Menu Log Menu Servic...

Страница 31: ...e CFG series of fixtures The V1 clamping fixture for pipes with diameters between 0 75 and 1 25 in 20 to 30 mm The V4 clamping fixture for pipes with diameters between 1 25 and 4 in 30 to 100 mm The V8 clamping fixture for pipes from 4 to 8 in 100 to 200 mm The V12 clamping fixture for pipes from 8 to 12 in 200 to 300 mm The PI clamping fixture for pipes from 12 to 24 in 300 to 600 mm Figure 3 1 o...

Страница 32: ...w measurement Specifications assume a fully developed flow profile typically requiring 20 diameters upstream and 10 diameters downstream of straight pipe run In addition pipes 2 in and under require an installation location with a minimum of 10 ft 3 m of continuous straight pipe without flanges welds or coupling joints PI Fixture Layout Wrap Chain Strap Dummy Block CFG V4 CFG V1 CFG V8 CFG V12 CFG...

Страница 33: ... the PT878GC shown in Figure 3 2 below The gray label below Communication lists the meter type and transducer frequency the PT878GC can support Figure 3 2 PT878GC Back Label In addition to checking the available frequencies you should determine that your application meets the minimum gas pressure and maximum flow velocity range requirements for optimal measurements given the pipe size and pipe thi...

Страница 34: ...your application meets the minimum pressure requirements 4 Use the same row in the appropriate table to determine the maximum flow velocity capability of the PT878GC For reference the table provides the recommended number of traverses and transducer frequency for your application Note All provided data is based on metal pipes plastic pipes have a minimum pressure requirement of ambient air or any ...

Страница 35: ... 8 6 0 5 180 13 4 0 68 17 3 0 5 300 21 7 6 150 0 2 1 60 5 1 90 27 4 72 22 0 54 16 5 0 28 7 2 0 5 60 5 1 0 2 200 13 6 135 41 5 108 32 9 81 24 7 0 44 11 2 0 5 180 13 4 90 27 4 72 22 0 54 16 5 0 2 600 40 8 135 41 5 108 32 9 81 24 7 0 87 22 1 0 5 300 21 7 90 27 4 72 22 0 54 16 5 0 2 1000 68 135 41 5 108 32 9 81 24 7 8 200 0 33 8 4 0 5 60 5 1 80 24 4 64 19 5 48 14 6 0 2 200 13 6 120 36 6 96 29 3 72 21 ...

Страница 36: ...50 12 7 0 2 270 19 6 16 400 0 38 9 7 0 2 90 7 2 76 23 2 61 18 9 45 13 7 0 50 12 7 0 2 270 19 6 18 450 0 38 9 7 0 2 90 7 2 67 20 4 54 16 5 40 12 2 0 50 12 7 0 2 270 19 6 20 500 0 38 9 7 0 2 90 7 2 60 18 3 48 14 6 36 11 0 0 50 12 7 0 2 270 19 6 24 600 0 38 9 7 0 2 90 7 2 49 14 9 39 11 9 29 8 8 0 50 12 7 0 2 270 19 6 Table 3 1 PT878GC Installation Requirements for Air Nitrogen Oxygen or Argon Continu...

Страница 37: ...54 9 144 43 9 108 32 9 8 200 0 33 8 4 0 5 175 13 1 100 30 5 80 24 4 60 18 3 0 2 250 17 150 45 7 120 36 6 90 27 4 0 50 12 7 0 5 400 28 6 100 30 5 80 24 4 60 18 3 0 2 500 34 150 45 7 120 36 6 90 27 4 0 88 22 4 0 5 800 56 2 100 30 5 80 24 4 60 18 3 0 2 1000 68 150 45 7 120 36 6 90 27 4 10 250 0 37 9 4 0 5 200 14 8 85 25 9 68 20 7 51 15 6 0 2 300 20 4 126 38 4 102 31 1 75 22 0 0 50 12 7 0 5 500 35 5 8...

Страница 38: ...0 2 300 21 7 70 21 3 52 15 9 42 12 8 0 50 12 7 0 2 800 56 2 24 600 0 38 9 7 0 2 300 21 7 56 17 1 42 12 8 34 10 4 0 50 12 7 0 2 800 56 2 Table 3 2 PT878GC Installation Requirements for Natural Gas Continued Pipe Size ANSI DIN Pipe Wall Inches mm Transducer MHz Min Pressure psig bar Maximum Velocity ft s m s Single Traverse Dual Traverse Triple Traverse Four Traverse ...

Страница 39: ...bar Maximum Flow Velocity ft s m s Single Traverse 3 80 0 22 5 6 0 5 110 8 6 120 36 6 0 3 7 6 0 5 200 14 8 4 100 0 24 6 1 0 5 110 8 6 120 36 6 0 34 8 6 0 5 200 14 8 6 150 0 28 7 2 0 5 110 8 6 120 36 6 0 44 11 2 0 5 200 14 8 8 200 0 33 8 4 0 5 120 9 3 100 30 5 0 5 12 7 0 5 200 14 8 10 250 0 37 9 4 0 5 130 10 0 85 25 9 0 5 12 7 0 5 200 14 8 12 300 0 38 9 7 0 5 140 10 7 70 21 3 0 5 12 7 0 5 200 14 8 ...

Страница 40: ...he pipe for easy transducer installation 150 mm 6 in if you are not using a junction box or 225 mm 9 in if you are using a junction box In general transducers are installed 180 apart on opposite sides of the pipe and in a horizontal plane at 3 and 9 o clock Figure 3 3 below illustrates the desired acoustic signal projection path for general installation however additional pipe surveys may provide ...

Страница 41: ...g the pipe axis at 25 mm 1 in intervals using an ultrasonic thickness gauge as shown in Figure 3 4 below Check each point three times and record the mean values If the maximum variation between the five points exceeds 0 25 mm 0 010 in find another location Figure 3 4 Measuring Thickness Along the Pipe Axis 3 Measure the outside diameter OD of the pipe using a tape measure or the supplied layout wr...

Страница 42: ...terial by removing any rust or loose paint and sanding down any rough spots in an area 12 in long around the circumference of the pipe Take care to preserve the original pipe curvature 6 At the approximate location of each transducer prepare an area 100 mm 4 in long by 50 mm 2 in wide for CRV type transducers and 100 mm 4 in wide for CRW type transducers Remove any paint or rust and polish the cle...

Страница 43: ...r location as shown in the equations below where ODX is the outside diameter at a given point and WX is the wall thickness at a given point as shown in Figure 3 6 on the previous page 3 Program the value into the PT878GC Note See Chapter 4 Programming Site Data pages 4 3 to 4 16 for more details on programming Based on the pipe OD proceed to the appropriate section If the pipe is 12 300 mm see the...

Страница 44: ... Fixture 1 Position the half of the clamping fixture with the threaded rods around the pipe as shown in Figure 3 7 below Orient the fixture in the 3 o clock position on a horizontal pipe 2 Position the mating half of the fixture over the threaded rods in the 9 o clock position Figure 3 7 below shows the two mounted halves Note If you are using a V4 fixture with a 1 5 to 2 in pipe GE Sensing sugges...

Страница 45: ...oth zeros start at the same origin as shown in Figure 3 8 below Figure 3 8 Fixture with Scale Origins Properly Aligned 3 Install the four nuts onto the threaded rods with the convex side of the nut facing the fixture Hand tighten the nuts on each V block evenly as shown in Figure 3 9 below Do not use a cross tightening pattern on the four installation nuts Figure 3 9 Installing Nuts onto the Fixtu...

Страница 46: ...block either left edge or right edge at a convenient number on the scale such as 1 in or 1 cm Install the first transducer with the BNC connector pointing away from the center of the V block fixture Hold down the transducer mounting screw onto the insert which in turn applies pressure to the transducer Use a handtight grip to set the transducer in contact with the pipe as shown in Figure 3 11 belo...

Страница 47: ...t number for the first mounting block 5 cm or 2 in b Spacing as calculated by the PT878GC 0 5 in or 12 5 mm c Second mounting block final location 1 0 5 in 1 5 in or 1 cm 1 25 cm 2 25 cm The overall spacing between yokes should be left edge to left edge or right edge to right edge Figure 3 12 below shows typical positioning Figure 3 12 Top View of V4 Fixture with Both Transducers 4 In a similar ma...

Страница 48: ...value or a nominal value for the circumference 2 Tightly wrap the layout tape once around the entire pipe and line up the edges Using the tape as a template guide for marks mark scribe lines around the entire circumference of the pipe as shown in Figure 3 13 below Figure 3 13 Marking Circumferential Lines on the Pipe 3 Line up the zero scale of the layout tape at the desired location of the first ...

Страница 49: ...istance along the circumferential lines from the zero point as shown in Figure 3 15 below Place marks on both sides of the circumferential lines made with the layout tape and connect the marks Figure 3 15 Marking the 9 o Clock Position Make sure to take the 180 point measurement from both over the top of the pipe and under the bottom of the pipe on a horizontal pipe to ensure reciprocity of the in...

Страница 50: ...April 2009 3 20 Installing the Dampening Material Transducers and Fixtures Surveying the Pipe cont Figure 3 16 Measuring the 180 Point from Top and Bottom ...

Страница 51: ...sert the J hook into the smaller round hole on the strap 3 Line up one edge of the CFG PI holder bracket with the origin scribe line and fully tighten the chain or strap see Figures 3 17 and 3 18 below Figure 3 17 Lining up the First Bracket 4 Install the transducer dummy block to verify the circumferential and axial location Center the indicator line on the block to line up with the scribed mark ...

Страница 52: ...the zero point as shown in Figure 3 19 below Figure 3 19 Measuring and Marking Spacing 2 Carefully wrap the chain or strap around the pipe taking care not to twist it 3 Loosen the wing nuts up to the end of the J hooks Then hook the chain into the tightest links and firmly hand tighten the wing nuts 4 Line up the other edge of the CFG PI holder bracket with the scribe line and tighten the chain or...

Страница 53: ...lar to that shown in Figure 3 21 below Figure 3 21 The Installed CFG PI Fixture with Calculated Spacing Installing the Transducers 1 Check to be sure the second CFG PI holder bracket is correctly positioned 2 Apply a bead of CPL 16 couplant 6 mm 0 25 in wide on each transducer face See Figure 3 22 below Figure 3 22 Couplant on Transducer Face S ...

Страница 54: ...ounting the transducer 3 With one hand mount one transducer into the PI fixture With the other hand tighten the transducer hold down screw gradually pushing the transducer down to the pipe surface Use a wrench to tighten the backing nut to prevent loosening due to vibration and thermal expansion IMPORTANT Do not use pliers or a wrench on the thumbscrew 4 Repeat step 3 for the other transducer ...

Страница 55: ... is removed before installation The DMP 3 is a clay like compound for all temperature applications If the temperature is over 150 F the PDJ pipe dampening jacket available from GE Sensing with preapplied DMP 3 must be used with the material At a minimum you should consider applying dampening material if you have any of the following conditions The distance from the nearest butt weld or pipe flange...

Страница 56: ...he pipe 4 Unroll the DMP 1 material and cut off a length equal to the circumference Peel the paper backing off the cut portion IMPORTANT The DMP 1 material will only adhere to the pipe correctly if the pipe is completely dry To adhere properly the material must also be at a temperature above 50 F 10 C 5 Before more atmospheric condensation can occur on the outside of the pipe roll the DMP 1 dampen...

Страница 57: ...and transducers Then use a utility knife to cut out the area under the transducer footprint and peel the cut material off the pipe as shown in Figure 3 25 below Note Remove excess dampening material as soon as possible before it adheres to the pipe and becomes difficult to remove Figure 3 25 DMP 1 Material with Transducer Footprint Cut Out 9 To remove any residual adhesive clean the cut out area w...

Страница 58: ...the second strip of dampening material flat Then cut the strip into two pieces each 4 5 in 12 cm wide 12 Wrap each of these strips around the pipe on the outside edge of the clamping fixture one upstream and one downstream The completed dampening material installation should appear similar to Figure 3 26 below Figure 3 26 Completed DMP 1 Installation ...

Страница 59: ... 27 below Figure 3 27 Distance Between Transducer Faces 3 Lay the first strip of dampening material flat Cut a strip to a width equal to the distance between transducer faces the distance illustrated in Figure 3 27 above 4 Wrap this strip around the pipe in the space between the transducers 5 Lay the second strip of dampening material flat Then cut the strip into two pieces each 4 5 in 12 cm wide ...

Страница 60: ...April 2009 3 30 Installing the Dampening Material Transducers and Fixtures Installing DMP 1 Dampening Material with PI Fixture cont Figure 3 28 Completed DMP 1 Installation ...

Страница 61: ...imate area of installation 3 Remove any loose paint or rust with a file or emery cloth as shown in Figure 3 29a below If the finish is mirror smooth roughen the surface Figure 3 29 Filing a and Degreasing b the Pipe Surface 4 While wearing appropriate gloves degrease the surface as shown in Figure 3 29b above 5 Place a piece of the DMP 3 material on top of the pipe Figure 3 30a and use the palm of...

Страница 62: ...Fixture b 7 Position the transducer yokes to the correct spacing and reinstall the fixture around but not on the DMP 3 material as shown in Figure 3 31b above 8 Remove the DMP 3 material from the transducer locations Figure 3 32a below Figure 3 32 Clearing DMP 3 from the Transducer Location a and Installing the Transducers b 9 Apply the couplant to the transducers and install the transducers onto ...

Страница 63: ... The jacket is available in standard pipe sizes from 4 to 12 in 100 to 300 mm 1 Remove any insulation from the installation area as well as any loose paint rust and high spots from the pipe 2 Remove the backing paper from the inside of the pipe dampening jacket shown in Figure 3 33 below Figure 3 33 The PDJ Pipe Dampening Jacket 3 Install the jacket on the pipe as shown in Figure 3 34 below Tighte...

Страница 64: ...lations 5 Apply a thin bead of CPL 16 couplant Spread it in a thin layer about 6 mm 0 25 in wide on each transducer face 6 Install the transducers into the yokes and tighten the hold down screws until the couplant touches the pipe 7 If you wish reinstall insulation over the pipe making sure that the yokes and junction boxes protrude through the insulation 8 Wait 15 min for the couplant to skin and...

Страница 65: ...factors For immediate operation the PT878GC requires only transducer pipe and fluid data However additional information allows you to tailor measurements to your application Once you have entered this data you can save it in files and recall these files for later use The PT878GC can store up to 1 MB of data in the meter at any one time But through the infrared link users can store an unlimited num...

Страница 66: ...s until you reach the option Then press ENTER to open the option window When entering parameters in an option press The T key to step through the available parameters The S key to scroll back to a previously entered parameter The F2 key Cancel or the ESC key to exit an option at any time and return to Operate Mode without changing the parameters Note On certain text box parameters you can use the ...

Страница 67: ...transducers and fixture configurations Figure 4 2 The Transducer Option Window 1 The first prompt asks you to select whether you are using a wetted or a clamp on transducer a Use the W and X keys to scroll between the two types b Press ENTER or SEL to confirm the choice IMPORTANT While wetted transducers are listed as a choice the PT878GC is designed for use with Shear wave clamp on transducers Co...

Страница 68: ...ll down by a page or the W key to scroll up by a page c Press ENTER to confirm your selection The program now varies depending on whether you have selected preprogrammed or special transducers If you have selected a transducer from the list of preprogrammed shear clamp on transducers 301 to 315 the PT878GC comes programmed with the needed parameters You only need to enter the wedge temperature a F...

Страница 69: ...ls so the time delay must be subtracted out for an accurate measurement GE Sensing supplies the time delay on a data sheet inside the transducer case a From the Frequency prompt press the X key to reach the Tw prompt and press ENTER b Use the numeric keys to enter the GE Sensing supplied time delay and press ENTER 5 When calculating the flow rate the PT878GC must take into account the wedge angle ...

Страница 70: ...ly the PT878GC requires the wedge sound speed a From the Wedge Temp prompt press the T key to reach the Wedge SS prompt and press ENTER b Use the numeric keys to enter the GE Sensing supplied wedge sound speed in ft sec or m sec and press ENTER Pressing the T key returns the meter to the Transducer tab at the top To confirm the entries and return to Operate Mode press F3 OK To leave the window wit...

Страница 71: ... ENTER The screen appears similar to Figure 4 3 below To step through each parameter press the T key Refer to Figure A 4 on page A 4 of Appendix A Menu Maps Note Refer to the brochure Sound Speeds and Pipe Size Data 914 004 for additional information about pipe sizes and sound speeds Figure 4 3 The Pipe Option Window Transducer Lining Path Transducer Pipe 5 Schedule Cancel OK Pipe Material Other S...

Страница 72: ...ss the X key to scroll down by a page or the W key to scroll up by a page c Press ENTER to confirm the choice Table 4 1 Preprogrammed Pipe Materials Pipe Material Category Specific Material Al Aluminum Rolled Brass None Cu Copper Annealed or Rolled CuNi Copper Nickel 70 Cu 30 Ni or 90 Cu 10 Ni Glass Pyrex Flint or Crown Gold Hard drawn Inconel None Iron Armco Ductile Cast Electrolytic Monel None N...

Страница 73: ... option of entering the pipe dimensions by a standardized schedule Once you enter the nominal pipe size and schedule identification the PT878GC determines the OD and wall thickness from an internal table If you select a material that uses the Diameter alternative a You must select from two choices outside diameter or circumference The prompt moves to the OD outside diameter text box Type the pipe ...

Страница 74: ...he W key twice to move the prompt to the Nominal pipe size drop down menu Press ENTER to open the menu Scroll to the desired pipe size and press ENTER to confirm your choice c Press the X key to move the prompt to the Schedule drop down menu Press ENTER to open the menu Scroll to the desired schedule 5S 10S 40S or 80S and press ENTER to confirm the choice After entering either diameter or schedule...

Страница 75: ...ress the T key While programming refer to Figure A 3 on page A 3 of Appendix A Menu Maps Note The Lining option is only available for clamp on transducers Figure 4 4 The Pipe Lining Window 1 The PT878GC first prompts you to select the pipe lining material a Press ENTER to open the drop down list of lining materials b Scroll to the appropriate material If you do not see your lining material on the ...

Страница 76: ...er the meter prompts you to enter the sound speed Press ENTER Use the numeric keys to type the known sound speed in the text box and press ENTER to confirm the choice 3 The meter now asks for the lining thickness Press ENTER Use the numeric keys to enter the known value in the text box and press ENTER to confirm your entry Pressing the T key returns the meter to the Lining tab To confirm the entri...

Страница 77: ...ow and press ENTER The screen appears similar to Figure 4 5 below To step through each parameter press the T key Refer to Figure A 3 on page A 3 of Appendix A Menu Maps Figure 4 5 The Fluid Type Window 1 The first prompt asks for the gas type a Press ENTER to open the drop down menu The following choices are available Other Air Natural Gas Steam Fluid Cancel OK Transducer Pipe Transducer Pipe Path...

Страница 78: ... Pressing the T key returns you to the Fluid tab However if you have selected Other the PT878GC prompts you to enter the sound speed a Press ENTER to open the text box b Use the numeric keys to enter the known sound speed c Press ENTER to confirm the selection Pressing the T key returns you to the Fluid prompt To confirm the entries and return to Operate mode press F3 OK To leave the window withou...

Страница 79: ...ey to reach the Path window and press ENTER The screen appears similar to Figure 4 6 below To step through each parameter press the T key Refer to Figure A 3 on page A 3 of Appendix A Menu Maps Figure 4 6 The Signal Path Window Note The Path Length and Axial Length parameters are not available for clamp on transducers Transducer Pipe Lining Path Transducer Pipe Cancel OK Fluid Path Length Axial Le...

Страница 80: ...pe Press the T key to scroll to the next parameter b If necessary you can overwrite the spacing to match the actual physical spacing of the transducers Do not change the spacing by more than 10 from that calculated by the meter Press ENTER Use the numeric keys to enter the desired value and press ENTER to confirm the entry If you enter an invalid entry the PT878GC rejects the entry and displays an...

Страница 81: ...low To step through each parameter press the T key Refer to Figure A 5 on page A 5 of Appendix A Menu Maps Figure 4 7 The Standard Volume Option Window 1 The first prompt asks if you want to disable or enable the Standard Volume option a Use the W and X keys to scroll to the appropriate radio button b Press ENTER to confirm your selection Note If you select Disabled you cannot select any other pro...

Страница 82: ...c keys to enter the local atmospheric pressure c Press ENTER to confirm the entry 4 The final prompt in this window asks for the base temperature in degrees F or C a Press ENTER to enter the text box b Use the numeric keys to enter the known temperature c Press ENTER to confirm the entry Pressing the S key returns the meter to the Standard Volume prompt and then to the Settings tab To confirm the ...

Страница 83: ...ow The screen appears similar to Figure 4 8 below To step through each parameter press the T key Figure 4 8 The Inputs Tab in the Standard Volume Mass Flow Option 1 The first prompt asks if the pressure is fixed or active a Use the W and X keys to scroll to the appropriate radio button b Press ENTER to confirm your selection Settings Inputs Cancel OK Pressure Fixed Active Bars Input 1 01 A Tempera...

Страница 84: ...pen the drop down menu c Scroll to Input A or B d Press ENTER to confirm the entry 4 The next prompt asks if the temperature is fixed or active a Use the W and X keys to scroll to the appropriate radio button b Press ENTER to confirm your selection 5 The next prompt appears if you have selected a fixed temperature The PT878GC asks for the fixed temperature value a Press ENTER to open the text box ...

Страница 85: ...automatically switches one input to the other letter This change ensures that only one analog input is assigned to one measurement type Pressing the T key returns the meter to the Inputs tab To confirm the entries and return to Operate Mode press F3 OK To leave the window without confirming the entries and return to Operate mode press F2 Cancel or the ESC key ...

Страница 86: ...press the T key Figure 4 9 The Mass Flow Tab in the Standard Volume Mass Flow Option 1 The first prompt asks if you want to disable or enable the Mass Flow option a Use the W and X keys to scroll to the appropriate radio button b Press ENTER to confirm your selection Note If you select Disabled you cannot select any other prompt in this window Settings Inputs Cancel OK Mass Flow Enabled Disabled C...

Страница 87: ...ct Saturated Steam The prompt asks for the Saturated Steam input Press ENTER scroll to either Temperature or Pressure and press ENTER If you select Static Density The prompt asks for the Static Density value Press ENTER to open the text box enter the appropriate value and press ENTER to confirm the entry Pressing the S key returns the meter to the Mass Flow prompt and then to the Mass Flow tab To ...

Страница 88: ... two ways From the Program Menu scroll to the Skan Measure option and press ENTER or From the Measurement Mode window page 8 13 select the method press ENTER press the T key to reach the Skan Measure Setup prompt and press ENTER again In either case the screen appears similar to Figure 4 10 below To step through each parameter press the T key Refer to Figure A 6 on page A 6 of Appendix A Menu Maps...

Страница 89: ...to enter the text box b Use the numeric keys to enter the recommended value c Press ENTER to confirm the entry 3 The next prompt M S Switch causes the meter to switch from Skan to Measure Mode when Delta T is less than the M S Switch value The default value is 5 0 µsec and values from 0 to 250 µsec are acceptable Note Do not change this value without consulting GE Sensing If you wish to use Skan o...

Страница 90: ...he entry Figure 4 11 The Advanced Skan Measure Window 5 The first prompt the number of shifts corresponds to the actual number of transmits per cycle the number of signals added together in one direction to produce an averaged signal for one interrogation of the fluid It need only be changed if the environment is very noisy or the acoustic signal is weak The default value is 3 and values from 0 to...

Страница 91: ... 0 to 1 000 are acceptable 7 The next prompt enables you to reset the size of the receive window for diagnostic purposes The default value is 10 and values from 0 to 300 are acceptable 8 The Meas Window prompt allows you to customize the width of the measurement window While this window is normally 10 cycles wide the option allows you to customize the width from 1 to 60 Pressing the T key returns ...

Страница 92: ... calculation of the Measure Mode integrated threshold level and is not normally changed The default value for this parameter is 2 5 and values from 0 1 to 10 are acceptable a Press ENTER to enter the text box b Use the numeric keys to enter the recommended value c Press ENTER to confirm the entry 2 Next enter the Noise Level Offset of Peak from 0 to 95 and press ENT The default value is 20 a Press...

Страница 93: ...R at the Measure Only prompt You can also press ENTER to deselect the prompt Pressing the T key returns the meter to the A Divisor entry and pressing the S key returns the meter to the Integrate tab To confirm the entries and return to Operate mode press F3 OK To leave the window without confirming the entries and return to Operate mode press F2 Cancel or the ESC key ...

Страница 94: ...ber that triggers the count from 1 to 100 The default number is 1 a Press ENTER to enter the text box b Use the numeric keys to enter the recommended number c Press ENTER to confirm the entry 2 The meter now asks for the Cycle Width of cycle count samples minimum width of valid cycle a Press ENTER to enter the text box b Use the numeric keys to enter the recommended value c Press ENTER to confirm ...

Страница 95: ...t press the X key to highlight the SNR Test prompt and press ENTER a If you have selected SNR Test the next prompt asks for the Minimum Noise Level Press ENTER type in the recommended value and press ENTER to confirm the entry b The final prompt asks for the Low SNR Error Limit The default is 7 Press ENTER type in the recommended value and press ENTER to confirm the entry Pressing the T key return...

Страница 96: ...fy the peak of the received signal the PT878GC uses the Threshold method in which the peak is identified as the point where the signal crosses a threshold that is a percentage of the maximum signal detected 1 The first prompt Min Threshold asks for the minimum percentage of peak used to measure transit time a Press ENTER to enter the text box b Use the numeric keys to enter the recommended value c...

Страница 97: ...meric keys to enter the desired value c Press ENTER to confirm the entry 4 To select or deselect Measure Times only instead of both Skan and Measure times press ENTER at the Measure Only prompt Pressing the T key returns the meter to the Min Threshold entry and pressing the S key returns the meter to the Correlate tab To confirm the entries and return to Operate mode press F3 OK To leave the windo...

Страница 98: ...4 15 below To step through each parameter press the T key Refer to Figure A 6 on page A 6 of Appendix A Menu Maps Entering General Purpose Analog Inputs Figure 4 15 The Analog Inputs Option Window 1 The first prompt asks you to select whether the desired function is off or general purpose a Press ENTER to open the drop down menu b Scroll to the desired response c Press ENTER to confirm your select...

Страница 99: ...bol and press ENTER to add the letter to the label Note Pressing SEL causes the screen to alternate between a set of upper case capital letters a set of lower case letters and a set of symbols Use all three screens to create a desired label c Repeat this procedure for each letter or symbol you wish to add to the label If you wish to delete a letter press F1 Delete to erase each letter or symbol fr...

Страница 100: ...el to leave the window without adding the symbol If you confirm the symbol the Units symbol will appear to the right of the zero and span text boxes 4 The next prompt asks for the zero input value a Press ENTER to enter the text box b Use the numeric keys to enter the desired value c Press ENTER to confirm the entry 5 The final prompt asks for the span input value a Press ENTER to enter the text b...

Страница 101: ...elected in the Inputs form of the Standard Volume option see page 4 20 You cannot change these parameters in this form Press the T key to step through these parameters 2 The first prompt asks for the zero input value a Press ENTER to enter the text box b Use the numeric keys to enter the desired value c Press ENTER to confirm the entry 3 The final prompt asks for the span input value a Press ENTER...

Страница 102: ...s Flow Option cont You have completed entering parameters in the Analog Inputs option To confirm the entries and return to Operate mode press F3 OK The PT878GC returns to Operate Mode To leave the window without confirming the entries and return to Operate mode press F2 Cancel or the ESC key ...

Страница 103: ... key Refer to Figure A 6 on page A 6 of Appendix A Menu Maps Figure 4 18 The Analog Output Window 1 The first prompt enables you to select a range to send a current signal to a recording device a Press ENTER to open the drop down menu b Scroll to the desired output from three choices Off 0 20 mA and 4 20 mA c Press ENTER to confirm your selection Note If you select Off you cannot access any other ...

Страница 104: ... to open the window b Scroll to the desired output type c Press SEL to confirm your selection d The prompt then moves to a list of unit types The available units depend on the selection made at the Data Source prompt Scroll to the desired output unit e Press F3 OK to confirm your selection Select Measurement Cancel OK Diagnostics Aux Input A Volume No Unit Velocity UserFunction m s Pressure Temper...

Страница 105: ...ox b Use the numeric keys to enter the desired value c Press ENTER to confirm your selection 5 The last prompt On Error asks you to select how the PT878GC will handle the analog outputs in the event of a fault condition The meter offers three alternatives Hold Last Value hold the last good reading Force Low force the reading to 0 or 4 mA Force High force the reading to 20 mA a Press ENTER to open ...

Страница 106: ...u and press ENTER The screen appears similar to Figure 4 20 below To step through each parameter press the T key Refer to Figure A 7 on page A 7 of Appendix A Menu Maps Figure 4 20 The Digital Output Window 1 The first prompt enables you to select the output function from five choices Off Pulse Totalizer Frequency Test Points Gate Input Digital Output Cancel OK Function Data Source Units Pulse Pol...

Страница 107: ...p 4 2 The next prompt asks you to select the data source for the digital output from a number of choices If you select Pulse Totalizer the meter offers four sources Forward Totalizer Reverse Totalizer Standard Forward Totalizer Standard Reverse Totalizer If you select Frequency the sources also include Pressure Diagnostics Velocity Temperature Volume User Function Skan Measure Mass Flow a Press EN...

Страница 108: ...nits Pulse and Pulse Width parameters a Press ENTER to open the text box b Use the numeric keys to enter the desired value c Press ENTER to confirm your selection For Polarity a Press ENTER to open the drop down menu b Scroll to the desired polarity either Low High or High Low c Press ENTER to confirm your selection If you selected Frequency The prompt asks for the minimum and maximum range of mea...

Страница 109: ...ode automatic or manual a Press ENTER to open the drop down menu b Scroll to the required mode c Press ENTER to confirm your selection Stopwatch Totalizer Through the Gate Input option you can implement the Stopwatch Totalizer function to measure totals manually To set up the Totalizer function 1 At the Gate Active prompt select Contact Closed 2 At the Mode prompt select Manual and press ENTER The...

Страница 110: ... Program Menu and press ENTER The screen appears similar to Figure 4 21 below To step through each parameter press the T key Refer to Figure A 7 on page A 7 of Appendix A Menu Maps Figure 4 21 The User Functions Window 1 The first prompt asks you to select the function number 1 through 8 a Press ENTER to open the drop down menu b Scroll to the desired function number User F1 User F2 etc c Press EN...

Страница 111: ... press ENTER to add the letter to the label Note Pressing SEL causes the screen to alternate between a set of upper case capital letters a set of lower case letters and a set of symbols Use all three screens to create a desired label c Repeat this procedure for each letter or symbol you wish to add to the label If you wish to delete a letter press F1 Delete to erase each letter or symbol from righ...

Страница 112: ...en the drop down menu b Scroll to the desired number of decimal places ranging from 0 to 4 c Press ENTER to confirm the entry 5 The final prompt asks for the function itself a Press ENTER to open the function creation window which appears similar to Figure 4 23 on the next page b Use the four arrow keys to scroll to the desired function or table and press ENTER to confirm each entry Use the numeri...

Страница 113: ... OK to confirm the entry d When you have completed entering the function press F3 OK to confirm the entry and return to the User Function window 6 GE Sensing recommends pressing F2 Check to test the validity of the function The PT878GC displays either OK or a message such as Syntax Error Press F1 to delete the entire function and start again or Press F2 to cancel the function and return to Operate...

Страница 114: ...s similar to Figure 4 24 below To step through each parameter press the T key Refer to Figure A 7 on page A 7 of Appendix A Menu Maps Figure 4 24 Reynolds Correction Window Entering Reynolds Correction 1 The first prompt asks if you want to enable the Reynolds Correction factor a number based on the Kinematic Viscosity and flow rate of the gas a Use the W and X keys to scroll to the appropriate ra...

Страница 115: ...firm your selection 3 The following steps depend on whether you select a single value or a table for Kinematic Viscosity If you entered Single The prompt asks for a kinematic viscosity value a Press ENTER to open the text box b Use the numeric keys to enter the known value from Sound Speeds and Pipe Size Data c Press ENTER to confirm your selection You have completed entering data for a single Kin...

Страница 116: ...en the table which appears similar to Figure 4 25 below Figure 4 25 Window for Reynolds Correction Table b Use the numeric keys to enter the first value for the data source and press ENTER to confirm the entry c Press the X key to move to the Reynolds value column Use the numeric keys to enter the corresponding value and press ENTER to confirm the entry d Repeat steps b and c for the remainder of ...

Страница 117: ...SC key Entering a Calibration Factor The Calibration Factor is used as a reference for the flowmeter electronics to ensure accurate readings To enter a Calibration Factor return to the Reynolds Correction tab at the top of the Correction Factors option Press the X arrow key to reach the Calibration Factor window The window appears similar to Figure 4 26 below To step through each parameter press t...

Страница 118: ...ou select a single value or a table If you entered Single The prompt asks for a value a Press ENTER to open the text box b Use the numeric keys to enter the recommended value Generally if you have enabled the Reynolds Correction factor the correction factor should be set to 1 00 Otherwise the typical factor is between 0 5 and 2 00 c Press ENTER to confirm your selection You have completed entering...

Страница 119: ...ow Figure 4 27 The KFactor Table b Use the numeric keys to enter the first value for the data source and press ENTER to confirm the entry c Press the X key to move to the KFactor column Use the numeric keys to enter the corresponding value and press ENTER to confirm the entry d Repeat steps b and c for the remainder of the table e When you have completed entering values press F3 OK to confirm the ...

Страница 120: ...You have completed entering data for correction factors To confirm the entries and return to Operate Mode press F3 OK To leave the window without confirming the entries and return to Operate mode press F2 Cancel or the ESC key In either case the meter returns to Operate Mode ...

Страница 121: ...ansfer or delete site files as needed To open the Site Menu press the MENU key at the lower right of the PT878GC keypad The Menu Bar replaces the Status Bar at the top of the screen Then press ENTER The screen now appears similar to Figure 5 1 below While following the programming instructions refer to Figure A 2 on page A 2 of Appendix A Menu Maps Figure 5 1 The Site Menu in the Main Menu Meter L...

Страница 122: ...ion of the screen supplies information for the site highlighted in the list on the left the date time and file size as well as the amount of free memory remaining You can use the T and S arrow keys to scroll to a particular site and display information pertaining to that site To open the File submenu within the Site Manager press MENU and then ENTER The screen now appears similar to Figure 5 3 on ...

Страница 123: ...e a site go to page 5 9 To delete a site go to page 5 10 You can access four additional functions from the Site submenu shown in Figure 5 11 on page 5 11 To add a site message go to page 5 11 To print out a site go to page 5 13 To transfer a site to a PC go to page 5 13 To transfer a site from a PC to the PT878GC go to page 5 14 Site Manager File Info DEFAULT SIT 09 04 04 14 51 10 5111 bytes 11827...

Страница 124: ...F1 Delete to remove any unwanted letters or numbers 3 When you have finished press F3 OK to confirm the entry A second screen appears as shown in Figure 5 5 on the next page asking if you want to use the currently highlighted site as a template for the new site using its current display windows measurements and programmed data To modify the display and measurements refer to Chapter 6 Displaying an...

Страница 125: ... Template Confirmation Window The meter returns to Operate Mode with the new site name displayed in the upper left corner of the screen A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0 1 2 3 4 5 6 7 8 9 New Site No Yes New Site Use the selected site DEFAULT SIT as a template ...

Страница 126: ... Press F2 No to cancel opening the site and return to the current site or Press F3 Yes to open the site If you have changed the first site that is the one you are now closing by opening the second site the PT878GC asks if you want to save the changes to the first site Press F2 No to cancel the changes or Press F3 Yes to confirm and save the changes The PT878GC returns to Operate Mode with the sele...

Страница 127: ...hin the Site Manager press MENU scroll to the Save option and press ENTER In either case the screen appears similar to Figure 5 7 below Figure 5 7 The Save Current Site Window Press F2 No to cancel saving the site or Press F3 Yes to save the site The PT878GC remains in the current window Operate Mode or Site Manager with the current site saved No Yes Save the current site DEFAULT SIT Save Site ...

Страница 128: ... or number and press ENTER 2 Repeat this procedure until you have created the desired site name with up to eight characters Press F1 Delete to remove any unwanted letters or numbers 3 When you have finished Press F2 Cancel to erase the entry or Press F3 OK to confirm the entry The Save Site window then appears Press F2 No to cancel saving the site or Press F3 Yes to save the site The PT878GC remai...

Страница 129: ...anager Then press MENU to enter the File Menu scroll to the Rename option and press ENTER The screen appears similar to Figure 5 9 below Figure 5 9 The Rename Site Window Use the four arrow keys to scroll to the desired letter or number and press ENTER Repeat this procedure until you have created the desired site name Press F1 Delete to remove any unwanted letters or numbers When you have finished...

Страница 130: ...ete option and press ENTER The screen appears similar to Figure 5 10 below Figure 5 10 The Delete Confirmation Window Press F2 No to cancel the deletion and return to the Site Manager or Press F3 Yes to delete the site The Site Manager appears with the highlighted site now deleted 1 View Programming Site Manager No Yes Info DEFAULT GLOBAL File DEFAULT Delete Confirmation Res Re Delete The Site A S...

Страница 131: ...hen press the X arrow key once to scroll from the File Menu to the Site Menu Press ENTER The screen appears similar to Figure 5 11 below Figure 5 11 The Site Menu in the Site Manager 2 Press ENTER to select Message which opens the text creation window shown in Figure 5 12 on the next page Site Manager File Info DEFAULT SIT 09 04 04 14 51 10 5111 bytes 118272 bytes free Refresh Exit DEFAULT New Sit...

Страница 132: ...ters a set of lower case letters and a set of symbols Use all three screens to create a desired message 4 Repeat this procedure for each letter or symbol you wish to add to the message If you wish to delete a letter press F1 Delete to erase each letter or symbol from right to left on the label 5 When you have completed the message press F3 OK to confirm the message or F2 Cancel to leave the window...

Страница 133: ...ications option see page 7 15 has been set to the IrDA protocol Note For Windows NT 4 0 check that the QuickBeam software available through the path C Program Files QuickBeam Suite is running and that the IR beam on the PT878GC has clear access to the IR sensor connected to the PC port 2 Highlight the desired site in the left window of the Site Manager 3 Press MENU to open the File Menu press the ...

Страница 134: ...878GC IR beam 1 Check that the Communications option see page 7 15 has been set to the IrDA protocol Note For Windows NT 4 0 check that the QuickBeam software available through the path C Program Files QuickBeam Suite is running and that the IR beam on the PT878GC has clear access to the IR sensor connected to the PC port 2 Highlight the desired site in the left window of the Site Manager 3 Press ...

Страница 135: ...onger than eight characters the meter will shorten the name to eight characters and replace any spaces in the name with underbars To download a site or meter file from a PC to a PT878GC 1 Check that the Communications option see page 7 15 has been set to the IrDA protocol Note For Windows NT 4 0 check that the QuickBeam software available through the path C Program Files QuickBeam Suite is running...

Страница 136: ...PT878GC cont QuickBeam opens a window indicating that it is downloading the file If you close and reopen the Site Manager the file appears as one of the listed sites Note While sending or receiving files the PT878GC continues to perform measurements but at a slower rate than normal ...

Страница 137: ...der Figure 5 15 The Sort Submenu Listing Files in Chronological Order If you prefer to list your files chronologically by time of creation within the Site Manager press MENU to open the File Menu Then press the X arrow key twice to scroll from the File Menu to the Sort Menu and scroll to the By Date option Press ENTER The Site Manager screen refreshes with the sites listed in chronological order f...

Страница 138: ...s SEL from the Operate Mode window shown in Figure 2 5 on page 2 9 A cursor appears next to the parameter closest to the upper left corner Continuing to press SEL enables the cursor to scroll through the other displayed measurements Once you have reached a particular window pressing the ENTER button opens the menu for that window as shown in Figure 6 1 below To learn how to use the display window ...

Страница 139: ... S key Note If the window displays a line or bar graph the Limits option see page 6 5 appears instead of Format in the menu Figure 6 2 The Number Format Window 1 The first entry Format asks you to select the numeric format from three choices fixed decimal default and scientific Default provides the default resolution while Fixed Decimal allows users to override the standard resolution Scientific f...

Страница 140: ...mal places to be displayed Available choices range from 0 to 4 places a Press ENTER to open the drop down list b Scroll to the appropriate number c Press ENTER to confirm your choice To confirm the entries and return to Operate mode press F3 OK To leave the window without confirming the entries press F2 Cancel or the ESC key ...

Страница 141: ...n and then press ENTER 2 A drop down menu shows the three formats Scroll to the appropriate selection 3 Press ENTER to confirm your selection The screen immediately displays any changes For example if you have changed the first parameter to a line graph the screen appears similar to Figure 6 3 below Figure 6 3 Screen After Format Change 2004 11 30 09 53 AM Velocity ft s 32 Delta T ns 0 10 0 0 Volu...

Страница 142: ...e time interval and the display of the average value To enter the Limits option 1 Press SEL from the Operate Mode window until you have reached the desired measurement 2 Press ENTER to open the Display Menu 3 Be sure the Limits option is highlighted and press ENTER The screen appears similar to Figure 6 4 below Figure 6 4 The Line or Bar Graph Parameters Window Programming Set Line Graph Parameter...

Страница 143: ...r the desired number Press ENTER to confirm the value b The second box asks for the interval in terms of seconds minutes hours or days Press ENTER to open the drop down menu and then press the T or S keys to move to the desired parameter Press ENTER to confirm the entry 7 The final three prompts ask for details of the graph configuration if you want to use lines plot the average value or show the ...

Страница 144: ... to open the Display Menu 3 Be sure the Measurement option is highlighted and press ENTER The screen appears similar to Figure 6 5 on page 6 8 The left column displays the measurement data sources while the right column displays English and metric measurement units or with the Diagnostics source shown a list of diagnostics parameters 4 Use the T and S arrow keys to reach the desired data source an...

Страница 145: ...ndow Programming Select Measurement Cancel OK Volume Amplitude Up Delta T Velocity Fwd Totalizer Rev Totalizer Diagnostics No Unit Amplitude Down T Up T Down Gain Up Signal Up Signal Down Threshold Up Delta T Gain Dn Threshold Down Norm Factor Temperature Pressure StdFwdTotalizer StdRevTotalizer User Function ...

Страница 146: ...at the top of the screen The Site Menu will be highlighted in the upper left corner Press ENTER or the T arrow key The screen now appears similar to Figure 6 6 below While following the programming instructions refer to Figure A 2 on page A 2 of Appendix A Menu Maps Figure 6 6 The Site Menu To specify the number of parameters displayed go to page 6 10 To customize or clear softkeys FKeys go to pag...

Страница 147: ... displays the designated number of windows For example Figure 6 7 below shows the screen displayed in Figure 6 3 on page 6 4 reconfigured for a single view Figure 6 7 Display Screen Configured for Single View Note The PT878GC opens display windows from the top that is if you press 1 View one parameter appears If you press 2 Views two parameters appear one on the top and one on the bottom The view ...

Страница 148: ... softkey from the Site Menu 1 Press MENU 2 From the Site Menu shown in Figure 6 6 on page 6 9 use the T or S arrow keys to move to the FKeys entry on the menu Press ENTER The screen now appears similar to Figure 6 8 below Figure 6 8 The FKeys Menu 3 Use the T or S arrow keys to move to the desired FKey 1 2 or 3 entry on the menu Press ENTER The Configure FKey window opens as shown in Figure 6 9 on...

Страница 149: ...w appears similar to Figure 6 10 on the next page with the F1 window displaying Contrast Pressing F1 opens the Contrast window To customize a softkey from a particular menu 1 Open the desired menu on the Menu Bar see Chapters 4 5 7 8 and 9 for details on particular menus and scroll to the desired option 2 Press the desired softkey A window appears with the question Assign current menu command to F...

Страница 150: ...ar to Figure 6 8 on page 6 11 3 Use the T or S arrow keys to move to the desired Clear FKey 1 2 or 3 entry on the menu Press ENTER The softkey window clears You can also clear the softkey through the Configure FKey window by selecting Clear as an entry pressing ENTER and then F3 OK Note Since the customized softkeys are saved globally they will remain even if you change site files 2004 3 30 09 53 ...

Страница 151: ...6 on page 6 8 use the T or S arrow keys to move to the Drive Manager entry on the menu Press ENTER The screen now appears similar to Figure 6 11 below Figure 6 11 The Drive Manager Window The window on the left lists all the meter site and log files in the PT878GC while the window on the right displays information on the file highlighted in the left window SYSLOG DEFAULT GLOBAL TABLE MET FUNCTIO A...

Страница 152: ...ll to the appropriate option as shown in Figure 6 12 above Press ENTER The PT878GC then performs the desired action with the file To refresh a file go to the next page To transfer a file to or from a PC go to the next page To delete a file go to page 6 19 SYSLOG DEFAULT GLOBAL TABLE MET FUNCTIO AAA LOG BBB LOG CCC LOG Q LOG File Manager Refresh Exit File Info SYSLOG MET 03 15 04 10 39 20 6402 byte...

Страница 153: ...Program Files QuickBeam Suite is running and that the IR beam on the PT878GC GC has clear access to the IR sensor connected to the PC port 2 Highlight the desired site in the left window of the Drive Manager 3 Press MENU scroll to the Transfer option and press ENTER The screen shows a message indicating that the PT878GC is searching for an infrared device If the scanner finds no device a window ap...

Страница 154: ...t extension and transfer it it will be transferred but it will not function if you open it Also if you are transferring a file and the meter already has a file with the identical name the meter will overwrite its current file with the transferred file If the transferred file has a name longer than eight characters the meter will shorten the name to eight characters and replace any spaces in the na...

Страница 155: ...and drag it onto the rocket button in the QuickBeam window as shown in Figure 6 14 below Figure 6 14 The QuickBeam Window Open the Send menu in the QuickBeam window enter the Files or Files on Clipboard option scroll to the desired file and click Send QuickBeam opens a window indicating that it is downloading the file When the download is complete the meter returns to the Drive Manager If you clos...

Страница 156: ...elete option and press ENTER The screen appears similar to Figure 6 15 below Figure 6 15 The Delete Confirmation Window Press F2 No to cancel the deletion and return to the File Manager or Press F3 Yes to delete the site The File Manager appears with the highlighted site now deleted 1 View Programming File Manager No Yes Info DEFAULT GLOBAL File DEFAULT Delete Confirmation Res Re Delete The Site A...

Страница 157: ...ubmenu Listing Files in Chronological Order If you prefer to list your files chronologically by time of creation within the File Manager press MENU to open the File Menu Then press the X arrow key to scroll from the File Menu to the Sort Menu and scroll to the By Date option Press ENTER The Site Manager screen refreshes with the sites listed in chronological order from the most recent to the earli...

Страница 158: ...to the About option on the Site Menu and press ENTER The screen appears similar to Figure 6 17 below Figure 6 17 The About Window To find out details about your specific software version press Next F2 To return to Operate Mode press ESC or Exit F3 GE Industrial Sensing PT878GC Portable Flowmeter Copyright 2002 General Electric Co All rights reserved This product is protected by copyright law and i...

Страница 159: ...obal settings for the meter that suit their individual preferences The global settings include English or Metric measurement units Battery power Date and time parameters and appearance Screen contrast Backlight timeout Language settings Infrared communications settings Resetting forward and reverse totals User tables Printing and capturing screens ...

Страница 160: ...7 1 The Meter Menu To scroll to a particular option press the T or S arrow keys until you reach the option Then press ENTER to open the option window When entering parameters in an option press The T key to step through the available parameters The S key to scroll back to a previously entered parameter The F2 key Cancel or the ESC key to exit an option at any time and return to Operate Mode withou...

Страница 161: ...lect the type of pressure units displayed To select the units scroll to the Units entry on the Meter menu and press ENTER The Meter Settings window opens as shown in Figure 7 2 below Figure 7 2 The Meter Settings Window 1 At the Units prompt use the W and X keys to scroll between English and Metric units 2 Press ENTER to confirm the choice 3 To enter the Pressure Units prompt press the T key and t...

Страница 162: ...menu b Use the T and S arrow keys to scroll to the desired choice PSIA KPA Bars MMGH c Press ENTER to confirm the entry To confirm the entries and return to Operate Mode press F3 OK To leave the window without confirming the entries press F2 Cancel or the ESC key In either case the meter returns to Operate Mode ...

Страница 163: ...ioning To open the option window 1 From the Meter menu scroll to the Battery entry and press ENTER The Battery Charger window opens as shown in Figure 7 3 below 2 If you wish to open the Part Number window press ENTER You can choose from a 1 8 Ahr NiCd battery part number 200 058 or a 3 0 Ahr NiMH battery part number 200 081 Scroll to the battery type you have installed and press ENTER Note If you...

Страница 164: ...status line should change to Discharging Updating the status could take up to 30 seconds Note It is advisable to condition NiCad batteries when their run time is reduced to 50 of their previous run time 4 To stop the discharge cycle press the ENTER key and the Condition Battery window reappears The status now changes to On Charger 5 Press F3 OK to return to Operate Mode ...

Страница 165: ...s the T key once to reach the date text box This box displays the current meter date 3 Press ENTER to enter the text window The meter highlights the first number Use the W and X keys to scroll to any number you wish to change 4 Two alternatives are available to change a highlighted number Use the numeric keys to enter the desired number Use the T or S arrow keys to scroll in 1 digit increments to ...

Страница 166: ...umeric keys to enter the desired number Use the T or S arrow keys to scroll in 1 digit increments to the desired number For example if the text box highlights 09 pressing the T key twice changes the number to 07 You can scroll from 01 to 12 for the hour and from 01 to 59 for the minute and second inputs 4 In either case press ENTER to confirm the entry Pressing the T or S arrow keys causes the met...

Страница 167: ...e To alter the time and date display 1 From the Meter menu scroll to the Locale entry and press ENTER The Display Options window opens on the Format tab as shown in Figure 7 4 below To step through each parameter press the T key Figure 7 4 Format Tab in the Display Options Window Display Display Options Locale Date Format Separators Time Format Time Date Time Decimal Formats MM DD YYYY 12 Hour MM ...

Страница 168: ...d format c Press ENTER to confirm your entry 3 The next prompt asks you to select the date format a Press ENTER to open the drop down menu Three options are available YYYY MM DD year month day MM DD YYYY month day year DD MM YYYY day month year b Use the T or S arrow keys to scroll to the desired format c Press ENTER to confirm your entry 4 The PT878GC now asks you to select whether you want the t...

Страница 169: ...imal Formats displays how the format and separator selections will appear on the screen Pressing the T arrow key returns the PT878GC to the Locale tab To confirm the entries and return to Operate Mode press F3 OK To leave the window without confirming the entries and return to Operate mode press F2 Cancel or the ESC key ...

Страница 170: ...re 7 5 below From the Format tab press the W key to move to the Display tab To step through each parameter press the T key Figure 7 5 Display Tab in the Display Options Window 2 Scroll to the Darker or Lighter box as desired 3 Press the ENTER button repeatedly until the screen has the desired contrast Note If you find the screen has become too light or too dark scroll to the other box and press EN...

Страница 171: ...ttings 7 13 April 2009 Adjusting the Contrast cont To confirm the entries and return to Operate mode press F3 OK To leave the window without confirming the entries and return to Operate mode press F2 Cancel or the ESC key ...

Страница 172: ... Options window opens on the Display tab as shown in Figure 7 5 on page 7 12 2 Press the T key three times to reach the Backlight Off text box 3 Then press ENTER to enter the box 4 Use the numeric keys to enter the number of minutes that the backlight remains on from 0 to 60 5 Press ENTER to confirm the entry To confirm the entries and return to Operate mode press F3 OK To leave the window without...

Страница 173: ...press ENTER The Communications window appears similar to Figure 7 6 below Figure 7 6 The Communications Window 2 The first prompt asks for the node identification number which can be any number from 1 to 240 IMPORTANT Do NOT change the node ID unless instructed by GE Sensing a Press ENTER to open the text box b Use the numeric keys to enter the node ID c Press ENTER to confirm the entry Communicat...

Страница 174: ...e selected IrDA you have completed entering data in this window However if you have selected IR232 the PT878GC asks for four more parameters IMPORTANT Using IR232 requires the following parameters Baud Rate 9600 Parity None Stop Bits 1 Data Bits 8 4 The program now asks for the baud rate The default rate is 9 600 bps a Press ENTER to open the drop down menu b Use the T or S arrow keys to scroll to...

Страница 175: ...X keys to scroll to the desired number and press ENTER 7 The final prompt asks you to select either seven or eight data bits The default number is 8 Use the W and X keys to scroll to the desired number and press ENTER To confirm the entries and return to Operate mode press F3 OK To leave the window without confirming the entries and return to Operate mode press F2 Cancel or the ESC key ...

Страница 176: ...R The window now appears similar to Figure 7 7 below Figure 7 7 The Resetting Totals Menu 2 Use the T or S arrow keys to choose the total to be reset 3 Press ENTER to reset the total s The meter resets the selected total s to 0 0 Velocity ft s Signal dB 0 00 32 Delta T ns 0 10 0 0 Volume l s E0 No Errors Site Program Meter Logging Service Units Date Time Locale Contrast Backlight Units Language Co...

Страница 177: ...scroll to the User Tables entry and press ENTER The window now appears similar to Figure 7 8 below Figure 7 8 The User Tables Window 2 The first prompt asks you to select the table to be programmed a Press ENTER to open the drop down menu b Use the T or S arrow keys to scroll to the table you wish to program c Press ENTER to confirm the entry Programming User Function Tables Cancel OK Edit Tables ...

Страница 178: ...alternate between a set of upper case capital letters and a set of symbols Use both screens to create the desired label c Repeat this procedure for each letter or symbol you wish to add to the label The Table ID window can display up to 15 characters If you wish to delete a letter press F1 Delete to erase each letter or symbol from right to left on the label d When you have completed the label pre...

Страница 179: ...igure 7 10 below Figure 7 10 The Edit User Table Window b Use the four arrow keys to move to the desired entry in the table c Press ENTER Then use the numeric keys to enter the desired data which appears in the right corner of the window above the table d Press ENTER to confirm the data which then appears in the appropriate slot in the table Programming Edit User Table 1 Cancell OK UserTable1 Y 1 ...

Страница 180: ...or the table f When you have finished press F3 OK to confirm the entries or F2 Cancel to leave the window without confirming the table The program returns to the Edit Tables window To confirm the entries and return to Operate mode press F3 OK To leave the window without confirming the entries and return to Operate mode press F2 Cancel or the ESC key ...

Страница 181: ...n press the decimal button in the lower left corner of the keypad twice The meter beeps indicating that it has made a screen capture The To Printer option enables you to send a picture of the current screen to an infrared printer After capturing a screen the PT878GC shows a message indicating that its infrared scanner is looking for a receiving device If the scanner finds no device a window appear...

Страница 182: ... is assigned to data logging The frequency of the time interval the length of the log run and the number of logs affect the amount of memory required for a particular log For example a log that records every 5 seconds will use up more memory than a log that records every 5 minutes for a given amount of time Once you make your data logging selections the PT878GC enables you to view the amount of me...

Страница 183: ... of Appendix A Menu Maps Figure 8 1 The Logging Menu To scroll to a particular option press the T or S arrow keys until you reach the option Then press ENTER to open the option window When entering parameters in an option press The T key to step through the available parameters The S key to scroll back to a previously entered parameter The F2 key Cancel or the ESC key to exit an option at any time...

Страница 184: ...ed in the list on the left You can use the T and S arrow keys to scroll to a particular log and display information pertaining to that log Figure 8 2 The Log Manager Window To access the menu for the Log Manager press the MENU key The cursor highlights the File Menu in the upper left corner Use the W and X keys to scroll to the desired menu and press ENTER to open the menu Log Manager Info AAA LOG...

Страница 185: ...g Manager press the MENU key and then ENTER The screen appears similar to Figure 8 3 below Figure 8 3 File Menu in the Log Manager Log Manager Info AAA LOG 03 01 04 13 23 21 1216 bytes 109568 bytes free Exit Refresh AAA BBB CCC State Finished S 03 01 04 13 13 41 E 03 01 04 13 23 41 Interval 10 Seconds Records 51 Clone Selected Log Rename Delete Delete All Logs Print Print All Transfer File Log Vie...

Страница 186: ...r case the Create New Log screen appears similar to Figure 8 4 below Use the four arrow keys to scroll to the desired letter or number and press ENTER Repeat this procedure until you have created the desired log name with up to eight characters Press F1 Delete to remove any unwanted letters or numbers When you have finished press F3 OK to confirm the entry Figure 8 4 The New Log Window The PT878GC...

Страница 187: ...ally stopped a Use the W and X keys to scroll to the appropriate radio button b Press ENTER to confirm your selection 2 The next prompt asks you to choose whether the log is to be a standard log recording specified data or an error log one which records error conditions a Use the W and X keys to scroll to the appropriate radio button b Press ENTER to confirm your selection General Measurements Can...

Страница 188: ...07 You can scroll from 01 to 12 for the month and from 01 to 31 for the day depending on the number you have selected for the month c In either case press ENTER to confirm the entry 4 Follow the same procedure to enter the end date and time 5 The final prompt in this window asks for the logging interval a Press ENTER to open the text box b Use the numeric keys to enter the desired interval in seco...

Страница 189: ... To step through each entry press the T key 1 Press ENTER to open the first entry The Select Measurement window opens as shown in Figure 8 7 on the next page General Ns Measurements NO UNIT NO UNIT NO UNIT NO UNIT NO UNIT NO UNIT NO UNIT NO UNIT NO UNIT NO UNIT NO UNIT NO UNIT Cancel Activate ...

Страница 190: ...s F3 OK to confirm your selection 6 You can repeat this procedure for up to 12 different parameters 7 When you have finished press F2 Cancel to cancel the entries or F3 Activate to confirm the entries and start the log If you started the log from the New Log option the PT878GC returns to Operate Mode if you started it from within the Log Manager the meter returns to the Log Manager Select Measurem...

Страница 191: ... The General Log Format window shown in Figure 8 5 on page 8 7 opens Follow the procedure discussed on pages 8 7 and 8 8 to change any settings Note Unless otherwise specified the cloned log always begins at the current date and time and ends after the period of time used by the original log 5 If you wish scroll to the Measurements window shown in Figure 8 6 on page 8 8 and follow the procedure di...

Страница 192: ... Follow the procedure discussed on page 8 5 to create a log name and press F3 OK to confirm the name The PT878GC returns to the Log Manager which highlights the renamed log Deleting a Log To delete a log 1 First select the log you wish to delete in the Log Manager shown in Figure 8 3 on page 8 4 2 Then open the File menu scroll to the Delete option and press ENTER 3 A delete confirmation window op...

Страница 193: ...lete the logs IMPORTANT This step cannot be undone A blank Log Manager appears All logs have been deleted Refreshing a Log You can refresh a log updating the display with the most current information in one of two ways Press F2 Refresh to refresh the highlighted log From the File Menu scroll to the Refresh option and press ENTER The updated information on the highlighted log appears in the window ...

Страница 194: ... Files QuickBeam Suite is running and that the IR beam on the PT878GC has access to the IR sensor connected to the PC port 2 Highlight the desired log in the left window of the Log Manager 3 Press MENU scroll to the Transfer option and press ENTER The screen shows a message indicating that the PT878GC is searching for an infrared device If the sensor finds no device a window appears with this mess...

Страница 195: ...pen the Log Menu in the Log Manager press MENU Scroll to the Log option and press ENTER The window appears similar to Figure 8 9 below Figure 8 9 The Log Menu in the Log Manager Log Manager Info AAA LOG 03 01 04 13 23 21 1216 bytes 109568 bytes free Refresh Exit AAA BBB CCC State Finished S 03 01 04 13 13 41 E 03 01 04 13 23 41 Interval 10 Seconds Records 51 Pause End Start All Logs Pause All Logs...

Страница 196: ...the Log Manager shown in Figure 8 2 on page 8 4 2 Then open the Log menu scroll to the Start option and press ENTER The PT878GC returns to the Log Manager which displays the highlighted log with a status of Pending or Running Ending a Log To end a log 1 First select the log you wish to end in the Log Manager shown in Figure 8 2 on page 8 4 2 Then open the Log menu scroll to the End option and pres...

Страница 197: ...the logs with a status of Pending or Running Ending All Logs To end all currently pending or running logs open the Log menu scroll to the End All Logs option and press ENTER The PT878GC returns to the Log Manager which displays the running logs with a status of Finished View All Sites To check on all logs open the Log menu scroll to the View All Sites option and press ENTER Logs are associated wit...

Страница 198: ... the Log Manager press MENU Scroll to the View menu and press ENTER The screen appears similar to Figure 8 10 below Figure 8 10 The View Menu Log Manager Info AAA LOG 03 01 04 13 23 21 1216 bytes 109568 bytes free Refresh Exit AAA BBB CCC State Finished S 03 01 04 13 13 41 E 03 01 04 13 23 41 Interval 10 Seconds Records 51 Graph Spreadsheet Details File Log View Sort ...

Страница 199: ... and press ENTER Scroll to the Details option and press ENTER The screen now appears similar to Figure 8 11 below Figure 8 11 The Log Details Display Window with List of Measurements in the Log Press F3 OK to return to the Log Manager Log Info State Finished S 03 01 04 13 13 41 E 03 01 04 13 23 41 Interval 10 Seconds Records 51 Precision 8 Error No Basic Velocity Meters sec Exit ...

Страница 200: ...asurement and press F3 View The screen now appears similar to Figure 8 12 below Figure 8 12 The Log Graph Display Window Note If a log contains more than one measurement you must select which measurement to plot from the list displayed If you wish to alter the graph scale press F1 Scale The window appears similar to Figure 8 13 on the next page If you wish to alter the time scale press F2 Time The...

Страница 201: ...e for limits you have finished entering data in this form But if you select Set the PT878GC asks for minimum and maximum limits 2 Press the T key to reach the Minimum text box a Press ENTER to open the text box b Use the numeric keys to enter the desired value c Press ENTER to confirm the entry 3 Repeat step 2 to enter the Maximum value 4 When you have finished press F2 Cancel to cancel the entrie...

Страница 202: ... or S arrow keys to scroll in 1 digit increments to the desired number For example if the text box displays 09 pressing the T key twice changes the number to 07 You can scroll from 01 to 12 for the month from 01 to 31 for the day depending on the number you have selected for the month and from 0 to 59 for minutes and seconds In either case press ENTER to confirm the entry 3 Repeat step 2 for any o...

Страница 203: ... Window Use the W and X keys to scroll to other columns or the T or S keys to scroll backward or forward in time To alter the times displayed press F1 Time The Enter Time window shown on the previous page opens Follow the instructions on the previous page to change the date or time To refresh the display press F2 Refresh The display shows the most current data Press F3 Exit to return to the Log Ma...

Страница 204: ...r screen refreshes with the sites listed in alphabetical order Listing Logs in Chronological Order If you prefer to list your logs chronologically by time of creation within the Log Manager press MENU to open the File Menu Then scroll from the File Menu to the Sort Menu and scroll to the By Date option Press ENTER The Log Manager screen refreshes with the sites listed in chronological order from t...

Страница 205: ...iety of functions that they might occasionally require print out reports calibrate the PT878GC run diagnostics set up signal parameters and peak detection define error limits test the meter screen and keys determine setup errors with impulse response check test points return to factory default parameters load updated versions of the meter program into the PT878GC ...

Страница 206: ...Service Menu To scroll to a particular option press the T or S arrow keys until you reach the option Then press ENTER to open the option window When entering parameters in an option press The T key to step through the available parameters The S key to scroll back to a previously entered parameter The F2 key Cancel or the ESC key to exit an option at any time and return to Operate Mode without chan...

Страница 207: ...lar to Figure 9 2 below Figure 9 2 The Reports Window Press ENTER to open the drop down list of available reports as shown in Figure 9 2 above Press the T or S arrow keys to scroll to the desired reports and press ENTER Then press F2 Print to print out the desired reports or press F3 Exit to leave the option and return to Operate Mode Figure 9 3 on the next page shows a typical printout of a drive...

Страница 208: ...April 2009 9 4 Servicing the PT878GC Printing Reports cont Figure 9 3 Printout of a Typical Drive Report ...

Страница 209: ...strates use of the optional thickness gauge Figure 9 4 PT878GC Thickness Gauge in Operation The PT878GC offers two basic thickness gauge functions using the gauge to measure thickness after entering the pipe material and calibrating the gauge For the highest possible accuracy you can also calibrate the velocity of sound in the pipe material Using the thickness gauge involves three steps 1 Entering...

Страница 210: ...9 12 and 5 Calibrating the velocity of sound in the pipe material in the Velocity window on page 9 14 if possible and if the pipe material is not the material entered in the Zero window This step requires a trustworthy reference either a section of pipe such as a flange or open pipe section that can be measured with calipers or another measurement device or a thickness calibration block of the sam...

Страница 211: ...ress ENTER The screen appears similar to Figure 9 5 below Figure 9 5 The Material Window 1 From the Thickness Gauge Display option press the X arrow key four times to enter the Material window 2 The first prompt asks you to select the material for the pipe wall you wish to measure from a drop down list a Press ENTER to open the list b Use the T or S arrow keys to scroll to the desired material c P...

Страница 212: ...ter the sound speed a Press ENTER to open the text box b Use the numeric keys to enter the known sound speed in the pipe material from the brochure Sound Speeds and Pipe Size Data 914 004 c Press ENTER to confirm your entry To leave the Material window Press the W or X arrow key to move to another tab to take readings or perform a velocity calibration Press F2 Cancel to return to Operate Mode with...

Страница 213: ...ption shows the thickness measurement in numeric format displayed in Figure 9 6 below Note Refer to Appendix C Ultrasonic Thickness Gauge Theory of Operation page C 3 to learn how to position and align the transducer Figure 9 6 The Thickness Gauge Display Window Be sure the Noise or Los loss of signal boxes do not appear Press F2 Cancel or F3 OK to return to Operate Mode or press the X arrow key t...

Страница 214: ...Also some materials such as Teflon or fiberglass do not support acoustic signals To open the Graph window and display the receive signal graphically press the W or X arrow key until you reach the Graph tab and press ENTER The screen appears similar to Figure 9 7 below Figure 9 7 The Thickness Gauge Graph Window Press F2 Cancel or F3 OK to return to Operate Mode or press the X arrow key to move to ...

Страница 215: ...een details Press F2 Out to zoom out fully Press F3 to toggle between the left and right cursors Press W and X to move the selected cursor left and right Press T to select the graph Press S to return to tab navigation Press ESC to return to Operate Mode without saving the calibration changes Display Thickness Gauge Measure Out Display Velocity Graph Zero Signal In Material ...

Страница 216: ...and press ENTER Note GE Sensing recommends dual calibration Dual point calibration is more reliable but it requires two known thicknesses of the calibration material Use single point calibration only if you know the sound speed in the calibration block material to a high degree of accuracy See Appendix C for more information 3 The next prompt asks you to enter the length of Block 1 If you are usin...

Страница 217: ...nsducer steady until the GE Sensing wait cursor disappears 7 If you have chosen dual calibration repeat Steps 3 through 6 above for Block 2 8 The PT878GC asks for confirmation of the calculated and current values Press the S arrow key to move to the Retry box and press ENTER to recalculate the value or Press ENTER on Set to commit the calculated value Once you have completed calibration the transd...

Страница 218: ...nd speed of the material used in the calibration block It is possible only if you have a sample of pipe material with the thickness known to a high level of precision To open the Velocity window press the W or X arrow key until you reach the Velocity tab and press ENTER The screen appears similar to Figure 9 10 below Figure 9 10 The Sound Speed Window 1 Scroll to the Velocity tab as shown in Figur...

Страница 219: ... the sample for calibration by applying couplant B to its surface and press ENTER The screen now appears similar to Figure 9 11 below 4 Hold the transducer steady against the sample and wait for the Set button to appear 5 To calibrate the gauge press the T arrow key to move to the Set button 6 Press ENTER Set button to start the calibration sequence Figure 9 11 The Velocity Window Displaying the C...

Страница 220: ... case it becomes the current value and to recalculate the value which becomes the new Calculated value Note If you commit the calculated value the settings in the Material window also change from the previous material to Other with the new sound speed To leave the Velocity window Press the W or X arrow key to move to another tab Press F2 Cancel to return to Operate Mode without confirming the soun...

Страница 221: ...Transducer Delay Signal Inversion Noise Threshold Detection Threshold IMPORTANT The thickness gauge programming settings are entered at the factory You should not change them unless instructed by GE Sensing The Programming window appears similar to Figure 9 12 below Figure 9 12 The Thickness Gauge Programming Window Thickness Gauge Setup Cancel OK Low Signal Thresh 0 Transducer Delay 0 Signal Inve...

Страница 222: ...NTER to confirm your entry 4 The signal inversion prompt enables you to invert the thickness transducer signal Signal inversion may be necessary if your thickness readings show unusual jitter or for certain unusual combinations of pipe and fluid or pipe and lining Consult the factory before measuring the thickness of lined pipes Note When measuring the thickness of certain pipe materials you might...

Страница 223: ...his value a Press ENTER to open the text box b Use the numeric keys to enter the recommended value c Press ENTER to confirm your entry You have finished entering values for the Programming window To leave this window Press the W arrow key to move to the Materials tab Press F2 Cancel to return to Operate Mode without confirming the changes The PT878GC returns to Operate Mode Press F3 OK to confirm ...

Страница 224: ...splay window in Operate Mode To enter the option scroll to the Diagnostics entry on the Service Menu and press ENTER The screen appears similar to Figure 9 13 below Figure 9 13 The Diagnostics Window Press F2 Cancel or F3 OK to close the window and return to Operate Mode Note For an explanation of diagnostic parameters refer to Chapter 10 Diagnostics and Troubleshooting ...

Страница 225: ...in the Calibration Option Calibrating the Analog Output The calibration procedure consists of calibrating the analog output zero point 0 or 4 mA and then calibrating the full scale span point 20 mA You enter first the setpoint and then the actual value measured with a digital ammeter or voltmeter The analog outputs have a resolution of 5 0 µA Press the T arrow key to enter the Analog Output window...

Страница 226: ...NTER to confirm your entry 4 Repeat steps 2 and 3 for the other setpoint 5 Press the T arrow key to move to the Calibrate box and then press ENTER to calibrate the output If you are unsatisfied with the calibration you can reset the inputs to factory defaults Press the X arrow key to move to the Reset box and then press ENTER to undo the calibration You have completed calibrating the outputs To le...

Страница 227: ... the window 2 The first prompt asks you to select the input a Press ENTER to open the drop down list b Use the T or S arrow keys to scroll to the desired output A or B c Press ENTER to confirm your selection 3 The next prompt asks for the value to which you want to set the low input 0 or 4 mA a Press ENTER to open the text box b Use the numeric keys to enter the desired value c Press ENTER to conf...

Страница 228: ...e Read box and then press ENTER to read the high input 9 Press the T key to move to the Calibrate box and press ENTER to calibrate the inputs 10 At this point you have two options a If you are unsatisfied with the calibration you can reset the inputs to factory defaults Press the X arrow key to move to the Reset box and then press ENTER to undo the calibration b If you are satisfied with the calib...

Страница 229: ... Averaging Errors Allowed Peak Detection Method Peak Thresholds Pulse and Code To enter the option scroll to the Signal Setup entry on the Service Menu and press ENTER The screen appears similar to Figure 9 16 below Figure 9 16 The Signal Parameter Window Meas Mode Signal Param Signal Setup Cancel OK Delta T Offset Errors Allowed Velocity Averaging Transmit Sample Size Zero Cutoff 0 m s 10 8 5 ns ...

Страница 230: ...mitter sample size is the number of pulses each transmitter upstream and downstream emits It is set to 8 by default Note Consult GE Sensing before performing this step a Press ENTER to open the drop down list b Use the T or S arrow keys to scroll to the recommended number c Press ENTER to confirm your selection 4 The next prompt asks for the zero cutoff Near zero flow the PT878GC may have fluctuat...

Страница 231: ...l prompt errors allowed specifies the number of errors the meter can record before displaying an error message a Press ENTER to open the text box b Use the numeric keys to enter the desired value c Press ENTER to confirm your entry You have finished entering data in the Signal Parameter window To leave this window Press the T key to return to the Signal Parameter tab and the X arrow key to move to...

Страница 232: ...Skan Measure Count the default technique or Skan Measure Integrate the traditional Skan Measure mode A variation the Skan Correlation mode is used primarily for liquid flow measurement Note Do not change the measurement mode or values unless recommended by GE Sensing From the Signal Parameter tab press the X arrow key to move to the Meas Mode tab The window appears similar to Figure 9 17 below Fig...

Страница 233: ...ing the T key takes you to Skan Measure Setup Press ENTER to open the Skan Measure option and enter the parameters discussed on page 4 23 You have completed entering data for the Measurement Mode To leave this window Press the S key to return to the Measurement Mode tab and the W arrow key to move to the Signal Parameter tab or the X arrow key to move to the Pulse Code tab Press F2 Cancel to retur...

Страница 234: ...ess the X arrow key to move to the Pulse Code tab The window appears similar to Figure 9 18 below Figure 9 18 The Pulse Code Window in the Signal Setup Option 1 The first prompt asks for the number of bits in the coded signal a Press ENTER or SEL to open the drop down list b Use the T or S arrow keys to scroll to the recommended number c Press ENTER to confirm your selection Signal Setup Cancel OK...

Страница 235: ...recommended number c Press ENTER to confirm your selection 4 The final prompt signal inversion enables you to invert the transducer signal Signal inversion may be necessary if your readings show unusual jitter or for certain unusual combinations of pipe and fluid or pipe and lining Signal inversion should be off unless you have received other instructions To change its status use the W and X arrow...

Страница 236: ... Limits Option 1 The first prompt asks for the minimum and maximum limits for the transducer signal received by the PT878GC The default values are 10 for the minimum and 72 for the maximum The E1 LOW SIGNAL error message appears if the signal strength falls below the limit programmed here To enter the minimum signal a Press ENTER to open the text box b Use the numeric keys to enter the desired val...

Страница 237: ...e E5 AMPLITUDE error message appears Repeat the steps in Step 1 on the previous page to enter the desired limits 4 The fourth prompt asks for the acceptable limits for the sound speed based on conditions in your particular system The E2 SOUND SPEED error message appears if the fluid sound speed exceeds that entered in the Pipe option of the Program menu by more than this percentage The default val...

Страница 238: ...measurements Thus the key will always display the opposite measurement from that which is currently active Press F1 to display the measurement in the alternate format You have completed entering signal error limits Press F2 Cancel to return to Operate Mode without confirming the error limits or Press F3 OK to confirm the new limits and return to Operate Mode ...

Страница 239: ...try on the Service Menu and press ENTER The screen appears similar to Figure 9 20 below Figure 9 20 The Test Option in the Service Menu Scroll to the desired entry in the option menu and press ENTER Velocity ft s Signal dB 0 00 32 Delta T ns 0 10 0 0 Volume l s E0 No Errors Site Program Meter Logging Service Units Reports Test Calibrate Diagnostics Signal Setup Error Limits Factory Defaults Flash ...

Страница 240: ...ontinue Once you press a key a screen with a checkerboard pattern appears as shown in Figure 9 21 below Figure 9 21 A Functioning Test Screen Pressing a key two more times should result in two more checkerboard patterns followed by a series of dark and light screens Pressing the key through this sequence should return the PT878GC to Operate Mode If the test does not proceed according to this seque...

Страница 241: ... the Test Menu and press ENTER The screen appears similar to Figure 9 22 below Press any key on the keypad and a window representing that key should darken Figure 9 22 The Test Keys Window Pressing the F3 key returns the meter to the Operate Mode If any key does not appear on the screen or does not darken when pressed contact GE Sensing Note The power key does not appear in this test ...

Страница 242: ...elow Figure 9 23 The Watchdog Test Screen Press F2 No to cancel the test and return to the Menu screen or press F3 Yes to start the test The PT878GC should go blank for a few seconds and then restart If it does not follow this sequence consult GE Sensing Dew Point C Signal dB 52 0 32 Pressure PSIg 55 00 10 0 Run Time Hours Site Program Meter Logging Service Units Reports Reference MIS Probe Factor...

Страница 243: ... scroll down to the Impulse Response entry in the Service Menu and press ENTER The screen appears similar to Figure 9 24 below Figure 9 24 The Impulse Response Option 1 The first prompt asks in which direction you wish the meter to transmit upstream or downstream a Press ENTER to open the drop down list b Use the T or S arrow keys to scroll to the desired direction c Press ENTER to confirm your se...

Страница 244: ...The PT878GC then captures three pairs of upstream and downstream raw signals to a file named Wave01 met If you repeat the captures the successive files will be named Wave02 met Wave03 met etc You can then transfer the files over the IR port to a PC for analysis by a service engineer Note Refer to page 6 16 for information on transferring a file to a PC Applying a Stored Signal for Diagnosis The Si...

Страница 245: ...pen the Part Number window press ENTER You can choose from a 1 8 Ahr NiCd battery part number 200 058 or a 3 0 Ahr NiMH battery part number 200 081 Scroll to the battery type you have installed and press ENTER 2 To condition the batteries press the ENTER key The Condition Battery window should now read Stop The status line should change to Discharging Updating the status could take up to 30 second...

Страница 246: ...e lost if you use the Factory Defaults option Be sure to transfer or print all sites and logs before resetting Figure 9 26 The Factory Defaults Option 1 You have two options Press F2 Cancel to return to Operate Mode without changing the current settings Press F3 OK to confirm that you wish to restore the factory default settings 2 The program asks for confirmation Are you SURE Repeat the procedure...

Страница 247: ... wish to save IMPORTANT When uploading new software the PT878GC uses a bootloader program Be sure that the software you are installing is compatible with the installed bootloader version shown in the About option discussed on page 6 21 If you need to replace both programs install the new bootloader first before any other software With the current bootloader software two interfaces are available fo...

Страница 248: ...hout erasing the program Press F3 OK to confirm that you wish to erase the program 4 The meter asks for confirmation Repeat the options shown in Step 1 above After the PT878GC reboots the screen appears similar to Figure 9 28 below Figure 9 28 Flash Reloading Window Update Flash OK WARNING This will erase the instrumentation coding Choose Cancel to exit or OK to continue Cancel GE Sensing PCI Load...

Страница 249: ... on the meter has a clear path to the infrared adapter on the PC Now return to the PC 6 You now have two options In Windows Explorer browse to the file you wish to send Select and right click on it Select Send To Infrared Recipient or Nearby Computer or QuickBeam if QuickBeam has been installed Open the Infrared Transfer Application My Computer Infrared Recipient click on Send Files and select the...

Страница 250: ...ware see its manual for detailed instructions 1 From the Start Menu click Programs Accessories Hyperterminal to open the Hyperterminal window 2 If the call is not connected click on Connect from the Call menu in Hyperterminal 3 From the File menu click Properties Be sure the New Connection Properties window is set to your virtual infrared port Note You can determine which virtual port your infrare...

Страница 251: ...w Software To begin the loading procedure scroll down to the Flash Update entry in the Service Menu and press ENTER The screen appears similar to Figure 9 30 below Figure 9 30 The Flash Update Option Update Flash OK WARNING This will erase the instrumentation coding Choose Cancel to exit or OK to continue Cancel ...

Страница 252: ...PC and the PT878GC now appears similar to Figure 9 31 below Figure 9 31 Flash Reloading Window 3 The meter now asks if you wish to reload the flash memory via the infrared communications port Press F3 Yes or C on the PC keyboard to begin reloading via IrCOMM or Press F2 No or ESC on the keyboard to stop the reloading procedure 4 Be sure the infrared sensor on the meter has a clear path to the infr...

Страница 253: ...Window in the Transfer Menu 2 Click on the replacement software designated by a cod extension from the folder where it has been stored 3 From the Protocol drop down menu select Xmodem 4 Click Send For a successful transfer the PC window appears similar to Figure 9 33 below while the PT878GC screen displays the program ID size load address and a count of blocks being loaded Figure 9 33 The File Tra...

Страница 254: ...blem The TransPort also has a set of diagnostic parameters to help you find and remedy the problem In general troubleshooting may be necessary if the TransPort displays an error message the flow readings are erratic or you have other reasons to doubt the accuracy of readings for example readings do not agree with other flow measuring devices connected to the same process This section describes err...

Страница 255: ...or When they appear in a spreadsheet format errors are indicated by their number in the last row called Error The Error Code messages are only general descriptions of the possible problems Use Table 10 1 on page 10 3 to isolate and remedy the problem If you are unable to remedy the problem contact GE Sensing Note We suggest that in order to isolate the indicated problem more easily you obtain a te...

Страница 256: ...cable See Flowcell Problems on page 10 9 and Transducer Problems on page 10 11 Check program ming and transducer spacing Contact the factory if problem persists E2 Sound Speed Error Sound speed is pro grammed using the Pro gram Menu Pipe option as described in Chapter 4 Poor flow con ditions Incorrect pro gramming Bad transducer spac ing Measure ment is very different from the pro grammed sound sp...

Страница 257: ... as described in Chapter 9 on page 9 32 See Flowcell Problems on page 10 9 and Transducer Problems on page 10 11 E4 Signal Quality If too high electronic fail ure If too low flowcell elec trical problem Check for source of electrical interfer ence Check electron ics with a test flowcell Check to see if the velocity is above the maximum value Check to see if the pressure is above the minimum requir...

Страница 258: ...s in Transducer and Pipe submenus Remove preamp E17 Equation Limit Steam equa tions only Process temper ature and or pressure are outside valid limits of Steam Equations for mass flow Adjust the pressure reading to within the range of 139 9685 kPa to 2242 9435 kPa or the temperature read ing to within the range of 373 1500K to 810 9278K E18 Supersatu rated Steam equa tions only Process temper atur...

Страница 259: ...the upstream and downstream transit times N A Continuous large fluctu ations of 1 micro sec ond or more Amplitude Up Displays the value for the amplitude discriminator of the upstream transducer 20 28 20 or 28 Amplitude Down Displays the value for the amplitude discriminator of the downstream transducer 20 28 fluctua tions 20 or 28 fluctuations T Up Displays the upstream transit time of the ultras...

Страница 260: ...upstream signal N A N A Raw Down Displays raw downstream signal N A N A Demod Down Displays demodulated downstream signal N A N A Skan Corr Down Displays skan correlation downstream signal N A N A Xmit Corr Up Displays raw upstream signal correlated with transmit signal N A N A Xmit Corr Dn Displays raw downstream sig nal correlated with transmit signal N A N A Cross Corr Displays transmit upstrea...

Страница 261: ...o 40 by default N A N A Threshold Dn Displays the Percent of Peak for the downstream trans ducer Set to 40 by default N A N A SNRup Displays the signal noise ratio for the upstream transducer N A N A SNRdn Displays the signal noise ratio for the downstream trans ducer N A N A Voltage Displays remaining battery voltage 5 75 7 5 5 25 Time Remaining Displays estimated battery time remaining N A N A T...

Страница 262: ...easured must meet the following requirements 1 THE GAS MUST BE HOMOGENOUS SINGLE PHASE AND RELATIVELY CLEAN Although a low level of entrained particles may have little effect on the operation of the TransPort excessive amounts of solid or liquid particles will absorb or disperse the ultrasound signals This interference with the ultrasound transmissions through the gas will cause inaccurate flow ra...

Страница 263: ...e following 1 THE COLLECTION OF MATERIAL AT THE TRANSDUCER LOCATION S Accumulated debris at the transducer location s will interfere with transmission of the ultrasound signals As a result accurate flow rate measurements are not possible Realignment of the flowcell or transducers often cures such problems Refer to Chapter 3 for proper transducer installation 2 INACCURATE PIPE MEASUREMENTS The accu...

Страница 264: ...r pitting Any transducer damaged in this manner must be replaced Contact GE Sensing for information on transducers in materials suitable for the application 3 INTERNAL DAMAGE An ultrasonic transducer consists of a ceramic crystal bonded to the transducer case The bond between the crystal and the case or the crystal itself may be damaged by extreme mechanical shock and or temperature extremes Also ...

Страница 265: ...ications 11 1 April 2009 Chapter 11 Specifications This section contains specifications for the following Operations and Performance Electronics Clamp on Transducers Thickness Gauge Option Additional Options ...

Страница 266: ...ge 3 5 Table 3 2 on page 3 7 and Table 3 3 on page 3 9 Pipe Materials All unlined metals and plastics no lined pipes Clamp On Flow Accuracy Velocity For pipes 6 in 150 mm and smaller 2 to 5 of reading typical For pipes over 6 in 150 mm 1 to 2 of reading typical Note Accuracy depends on pipe size and whether measurement is one path or two path Accuracy to 0 5 of reading maybeachievablewithprocessca...

Страница 267: ...inimum of 10 ft 3 m of continuous straight run without flanges welds or coupling joints Pressure Requirements Air Nitrogen Oxygen Argon See Table 3 1 on page 3 5 Pressure Requirements Natural Gas See Table 3 2 on page 3 7 Pressure Requirements Steam See Table 3 3 on page 3 9 Pressure Requirements Other Gases Dependent upon gas composition and pipe size and material Consult GE Sensing Measurement P...

Страница 268: ...klit LCD graphic display Keypad 25 key rubberized tactile membrane keypad Internal Battery Rechargeable battery 8 hours of continuous operation Battery Charger Input 100 to 250 VAC 50 60 Hz 0 38 A Memory FLASH memory field upgradable Operating Temperature 20 to 55 C 4 to 131 F Storage Temperature 40 to 70 C 40 to 158 F Note To ensure maximum battery life storage temperature exceeding 35 C 95 F is ...

Страница 269: ... Site Parameter Programming Menu driven operator interface using keypad and soft functions keys On line help functions including pipe tables Storage for saving site parameters Data Logging Memory capacity to log over 100 000 flow data points Keypad programmable for log units update times start and stop time Display Functions Graphic display shows flow in numerical or graphic format Displays logged...

Страница 270: ... transducer clamping fixtures in polycarbonate carrying cases PCFG 1 for pipes smaller than 12 in 300 mm in diameter PCFG 2 for pipes larger than 12 in 300 mm in diameter PCFG 3 for pipes between 3 4 in 20 mm and 24 in 610 mm in diameter Mounting Couplant CPL 16 Area Classifications Standard General purpose Optional Weatherproof Type 4 IP65 Optional Explosionproof Class I Div 1 Groups C D Optional...

Страница 271: ...Specifications 11 7 April 2009 Transducer Cables Standard One pair of LEMO coaxial transducer connectors with 25 ft 8 m cables Optional 500 ft 152 m extension cables available for most transducers ...

Страница 272: ... for 10 sec followed by 2 min air cooling Additional Options PC Communication The PT878GC communicates with a PC through the infrared interface and Windows operating systems Consult the manual for details on sites logs and other operations with a PC RS232 to Infrared IR adapter plugs into any available serial port to give desktop PCs infrared capability Printer Infrared portable thermal printer wi...

Страница 273: ...Menu Maps A 1 April 2009 Appendix A Menu Maps Figure A 1 The Main Menu Menu Site Program Meter Logging Service See Figure A 2 See Figures A 3 to A 7 See Figure A 8 See Figure A 9 See Figure A 10 ...

Страница 274: ... View 2 Views 3 Views 4 Views Note Press F2 Cancel to cancel the entries and return to Menu Press F3 OK to confirm the entries and return to Menu File Sort Transfer Refresh Delete Name Date F1 F2 F3 New Open Save Save as Name File Name Name Delete Name File Refresh Rename File Site Print Message Transfer Sort Name Date Transfer as Text ...

Страница 275: ... Delay Wetted Clamp on Wedge Angle Wedge Temperature Wedge Sound Speed Transducer Pipe See Figure A 4 Lining None Tar Epoxy Glass Pyrex Asbestos Cement Material Sound Speed Mortar Rubber Teflon Other Thickness Fluid Fluid Steam Natural Gas Air Sound Speed Other See Figure A 5 Path Wetted Clamp on Path Length Axial Length Traverses Spacing Wedge Temperature Clamp on ...

Страница 276: ...Brass Copper Glass Gold Inconel Iron Monel Nickel Plastic Tin Titanium Tungsten Zinc Aluminum Steel OD OD X PI Wall mm For cast iron steel PVC CPVC ANSI Yes No Schedule 40 80 160 Nominal 1 2 to 48 Note Press F2 Cancel to cancel the entries and return to Menu Press F3 OK to confirm the entries and return to Menu ...

Страница 277: ...ressure Base Pressure Base Temperature Settings Disabled Enabled Inputs Mass Flow Pressure Fixed Pressure Active A B Temperature Fixed Active A B Temperature Input Input Calculation Method Disabled Enabled Static Density Saturated Steam Steam Value Input Menu Program See Figures A 3 and A 4 See Figure A 6 ...

Страница 278: ... Standard Volume or Mass Flow Enabled If Standard Volume or Mass Flow Disabled Zero Function Off General Purpose Analog Output Function Off 0 20 mA 4 20 mA Data Source Zero Span On Error High Force Low Force Value Hold Last See Figure A 7 All Integrate Count Limit Meas Delta Yes No Limit Meas Window Noise Window Width Noise Window Offset A Divisor Noise Level Meas Only Yes No Cycle Number Cycle Wi...

Страница 279: ...equency Max Data Max Frequency Duty Cycle Transmit Receive Note Press F2 Cancel to cancel the entries and return to Menu Press F3 OK to confirm the entries and return to Menu Function User1 User2 User3 User4 User5 User6 User7 User8 Label Units Symbol Decimal Places 0 1 2 3 4 Equation User Functions See Figure A 6 Correction Factors Reynolds Correction Calibration Factor Reynolds Correction On Off ...

Страница 280: ...4 5 6 Table ID Data Points Max Points Edit Tables Note Press F2 Cancel to cancel the entries and return to Menu Press F3 OK to confirm the entries and return to Menu Pressure Units PSIA KPA Bars MMHG Date Format YYYY MM DD MM DD YYYY Date Separator Time Format 12 Hour 24 Hour Time Separator Backlight Off Backlight DD MM YYYY Contrast Darker Lighter Decimal Snapshot Off Printer File Date Time NiCd ...

Страница 281: ...rement Start Pause End Pause All Start All End All View All Name View Details Graph Spreadsheet Name Format Linear Circular Type Standard Error Start End Interval Measurement Name Format Linear Circular Type Standard Error Start End Interval Measurement New Log Note Press F2 Cancel to cancel the entries and return to Menu Press F3 OK to confirm the entries and return to Menu Print Transfer Refresh...

Страница 282: ...e Note Press F2 Cancel to cancel entries and return to Menu Press F3 OK to confirm entries and return to Menu Error Limits Min Signal Max Signal Min Velocity Max Velocity Min Amplitude Max Amplitude Sound Speed Acceleration Factory Defaults Flash Update Test Display Graph Velocity Block Length Retry Set Zero Single Dual Block 1 Length Block 1 Length Block 2 Length Retry Set Sound Speed Material Ma...

Страница 283: ...ons Node ID Comm Interface IrDA IR 232 Baud Rate 300 600 1200 2400 4800 9600 19 2K 38 4K 57 6K 115 2K Parity None Mark Space Even Odd Stop Bits 1 2 Data Bits 7 8 Note Press F2 Cancel to cancel the entries and return to Menu Press F3 OK to confirm the entries and return to Menu ...

Страница 284: ... without a built in IR port If your PC does not have an IR dongle GE Sensing recommends the ActiSys ACT IR220L infrared to RS 232 adapter which has been tested for compatibility with the PT878GC Be sure to position the interface in a way that permits transmission between the interface and the infrared sensor on the PT878GC shown in Figure 2 2 on page 2 2 Table B 1 on the next page lists IrDA compa...

Страница 285: ...s necessary with this operating system Windows 2000 XP Both Windows 2000 and XP include infrared drivers in their operating systems From the Control Panel click on Add New Hardware and select the appropriate IR port whether built in or using an external dongle Table B 1 IrDA Compatibility of Windows Operating Systems Operating System IrCOMM OBEX Windows XP No Yes Windows 2000 No Yes Windows NT 4 0...

Страница 286: ...s Windows Me 98SE 98 95 The Windows 98SE and Me operating systems include IR drivers However in most cases the IR port has not been installed or configured From the Control Panel click on Add New Hardware and select Choose Device From List Select Infrared from the list and then select the appropriate infrared port whether built in or external Note In some instances the infrared port must be enable...

Страница 287: ...ments These elements are mounted on delay lines that are usually cut at an angle to the horizontal plane the roof angle so that the transmitting and receiving beam paths cross beneath the surface of the test piece This crossed beam design of duals provides a pseudo focussing effect that optimizes measurement of minimum wall thickness in corrosion applications Duals are more sensitive than single e...

Страница 288: ...se echoes causing inaccurate measurements Severe pitting on the outside surface of a pipe or tank can be a problem On some rough surfaces the use of a gel or grease rather than a liquid couplant will help transmit sound energy into the test piece In extreme cases it will be necessary to file or grind the surface sufficiently flat to permit contact with the face of the transducer In applications wh...

Страница 289: ...n the probe face is aligned perpendicular to the center axis of the pipe See Figure C 1 below Figure C 1 Proper Alignment of Transducers for Cylindrical Surfaces While firm hand pressure on the transducer is necessary for good readings the probe should never be scraped along or twisted against a rough metal surface This will scratch the face of the transducer and eventually degrade performance The...

Страница 290: ...d or pitted materials there will be spots where readings cannot be obtained This can happen when the inside surface of the material is so irregular that the sound energy is scattered rather than being reflected back to the transducer The lack of a reading may also indicate a thickness outside the range of the transducer and instrument being used Generally an inability to obtain a valid thickness r...

Страница 291: ...ty to discriminate a valid return echo from the back side of the material and limits the ability to gauge the material ultrasonically 2 Velocity Variations A number of materials exhibit significant variations in sound velocity from point to point within the material Certain types of cast stainless steels and brass exhibit this effect due to a relatively large grain size and the anisotropy of sound...

Страница 292: ... D Material Safety Data Sheets for Couplants A variety of couplants are available for use with GE Sensing transducers To obtain a material safety data sheet MSDS for any couplant GE Sensing supplies go to the GE Sensing web site and enter the Technical Support portal ...

Страница 293: ...3 in Energy Option 4 37 Analog Inputs Entering 4 34 Analog Output Calibration 9 21 Analog Output Option 4 39 Analog Output Entering 4 39 Analog Outputs Connections 2 3 Area Classifications 11 6 Argon Installation Requirements for 3 5 Arrow Keys 2 12 B Backlight Option 7 14 Backlight Timeout for 7 14 Bar Graph Display 6 4 Batteries Charge 2 5 Charging 2 5 Replacing 2 6 Battery Charger 7 5 7 6 Batte...

Страница 294: ...Path Parameters for 4 16 Clamp on Transducers Installing 3 1 Clearing Softkey 6 13 Communications Option 7 15 Menu Map A 12 Configuring the display 6 1 Connections 2 2 Analog Inputs 2 3 Analog Outputs 2 3 Power 2 3 Transducers 2 3 Contrast Option 7 12 Contrast Adjusting 7 12 Correction Factors Option 4 50 Correction Factors Entering 4 50 Couplant 11 6 Couplant using 3 16 3 23 3 34 Customizing Soft...

Страница 295: ...rror Messages 10 2 Flowcell 1 3 Keypad 2 12 Keys 2 12 Screen 2 10 System 1 3 Detection Threshold 9 19 Diagnostic Parameters Displaying 9 20 Diagnostics 10 1 10 6 Error Messages 10 2 Diagnostics Option 9 20 Digital Interfaces 11 5 Digital Output Option 4 42 Dimensions 11 4 DIN Schedule Applying 4 10 Display 11 4 Screen 2 10 Display Functions 11 5 Display Options 7 9 Display Screen Configuring 6 9 D...

Страница 296: ...fications 11 5 EXIT Key 2 12 F Factory Defaults Option 9 42 Feature Keys 2 12 File Transferring to PC 6 16 6 17 File Manager Sort Menu 6 20 File Menu in Log Manager 8 4 File Transferring from PC 5 15 6 17 6 18 Fixture Materials 11 6 Flash Update 9 43 Flash Update Option 9 44 9 47 Flow Measurement 11 4 Flowcell 1 3 Description 1 3 Flowcell Piping 1 3 Fluid Option 4 13 Fluid Problems Flowcell Proble...

Страница 297: ...Output 1 4 Input Output Connections 2 3 Inputs Analog Inputs 2 3 Analog Entering 4 34 in Standard Volume Option 4 19 Inputs Outputs Specifications 11 5 IR Communications Changing Parameters 7 15 Establishing with PT878GC B 1 IrCOMM 9 43 Updating Software with 9 46 IrOBEX 9 43 Updating Software with 9 44 K Keypad Description 2 12 Key Description 2 12 Specifications 11 4 Keys Description 2 12 Kinema...

Страница 298: ...on 7 9 Log 8 18 Copying a 8 10 Deleting a 8 11 Ending a 8 15 in Graph Form 8 19 8 20 8 21 in Spreadsheet Format 8 22 Printing 8 13 Renaming a 8 11 Restarting 8 15 Stopping a 8 15 Transferring to PC 8 13 Log Manager 8 3 Sort Menu 8 23 Log Menu in Log Manager 8 14 Log Creating a 8 5 Logging Menu Menu Map A 10 Logging Menu Entering 8 2 Logs Deleting All 8 12 Ending All 8 16 Stopping All 8 16 Low Sign...

Страница 299: ... Measurement Parameters Changing 6 7 6 8 Measurement Units Selecting 7 3 Memory Specifications 11 4 Meter Menu Menu Map A 9 Meter Menu Entering 7 2 Meter Settings Window 7 3 Metric Units 7 3 Microcomputer 1 4 Model number 6 21 Mountings 11 6 N Natural Gas Installation Requirements for 3 7 Nitrogen Installation Requirements for 3 5 Node ID for Communications 7 15 Noise Threshold 9 18 Numeric Keys 2...

Страница 300: ...2 14 Operation and Performance Specifications 11 2 11 3 Options 11 8 PC Communications 11 8 RS232 to Infrared 11 8 Thickness Gauge 11 8 Output Analog Entering 4 39 Digital Entering 4 42 Outputs Analog Outputs 2 3 Oxygen Installation Requirements for 3 5 ...

Страница 301: ... A 4 Pipe Problems 10 10 Pipe Sizes 11 2 Pipe Thickness Range for Thickness Gauge 11 8 Pipe Wall Thickness 11 2 Power Connections 2 3 Turn On and Off 2 7 Power Connections 2 3 Powering On Off 2 7 Pressure Requirements Air 11 3 Pressure Requirements Other Gases 11 3 Printer 11 8 Printer Specifications 11 8 Printing a Log 8 13 Problems Flowcell 10 9 Fluid 10 9 Pipe 10 10 Transducers 10 11 Program Me...

Страница 302: ... 10 Index cont R Range 11 2 Rangeability 11 2 Receiver 1 4 Repeatability 11 2 Reports Option 9 3 9 4 Reports Printing 9 3 9 4 Reverse Total Resetting 7 18 Reynolds Correction Entering 4 50 RS232 to Infrared 11 8 ...

Страница 303: ...ring 9 40 Simulate Option 9 40 Site Deleting a 5 10 Renaming a 5 9 Saving a 5 7 Saving with Different Name 5 8 Transferring to PC 5 13 5 14 Site Manager 5 2 Sort Menu 5 17 Site Menu 5 1 Site Parameter Programming 11 5 Site Creating a New 5 4 Site Open a 5 6 Skan Correlate 9 28 Skan Count 9 28 Skan Integrate 9 28 Skan Measure 9 28 Skan T Offset 4 25 Softkey Clearing a 6 13 Softkeys Customizing 6 11...

Страница 304: ...ts 11 5 Internal Battery 11 4 Keypad 11 4 Memory 11 4 Operations 11 2 11 3 Pipe Materials 11 2 Pipe Size 11 2 Pipe Wall Thickness 11 2 Pressure Requirements Air 11 3 Pressure Requirements Other Gases 11 3 Range 11 2 Rangeability 11 2 Repeatability 11 2 Thickness Gauge 11 8 Transducers 11 6 Standard Volume Option Entering Inputs 4 19 Entering Parameters 4 17 Static Density 4 17 Steam Installation R...

Страница 305: ...ng 9 12 9 13 Entering Programming Data 9 17 Low Signal Threshold 9 18 Setup 9 5 9 6 Sound Speed 9 14 9 15 Specifications 11 8 Thermal Exposure 11 8 Thickness Gauge Setup 9 18 Detection Threshold 9 19 Signal Inversion 9 18 9 31 Transducer Delay 9 18 Time Delay Entering 4 5 Time Entering 7 7 Timing Circuit 1 4 Totals Resetting 7 18 Transducer Connections 2 3 Transducer Delay 9 18 Transducer Number E...

Страница 306: ...Generator 1 4 Transmitter 1 4 Transmitter Sample Size 9 26 Traverses Entering Number 4 16 Troubleshooting 10 1 Error Messages 10 2 Turning On Off 2 7 Tw time delay 4 5 U Units Option 7 3 User Functions Option 4 46 User Functions Entering 4 46 User Table Option 7 19 User Tables Creating 7 19 V V4 and V8 Clamping Fixture Installing 3 14 Velocity Averaging 9 27 Velocity Limits 9 33 View All Sites Opt...

Страница 307: ...38 Wave Sampling 9 40 Wave Snapshot Option 9 40 Wedge Angle Entering 4 5 Wedge Sound Speed Entering 4 6 Wedge Temperature Entering 4 5 Windows Operating Systems Compatibility with IR B 1 Z Zero Base Value for Analog Output 4 41 Zero Cutoff 9 26 ...

Страница 308: ...ty with the following standards EN 61326 1998 Class A Annex C Continuous Unmonitored Operation following the provisions of the 89 336 EEC EMC Directive The units listed above and any transducers supplied with them spoolpieces are addressed under a separate declaration of conformity do not bear CE marking for the Pressure Equipment Directive as they are supplied in accordance with Article 3 Section...

Страница 309: ... A Annex C Continuous Unmonitored Operation suivant les régles de la Directive de Compatibilité Electromagnétique 89 336 EEC Les matériels listés ci dessus ainsi que les transducteurs pouvant être livrés avec les manchettes faisant l objet d une déclaration de conformité séparée ne portent pas le marquage CE de la directive des équipements sous pression car ils sont fournis en accord avec la direc...

Страница 310: ...len EN 61326 1998 Class A Annex C Continuous Unmonitored Operation gemäß den Europäischen Richtlinien Niederspannungsrichtlinie EMV Richtlinie Nr 89 336 EG Die oben aufgeführten Geräte und zugehörige mitgelieferte Schallwandler Messrohre werden in einer separaten Konformitätserklärung behandelt tragen keine CE Kennzeichnung gemäß der Druckgeräte Richtlinie da sie in Übereinstimmung mit Artikel 3 A...

Страница 311: ...USA 1100 Technology Park Drive Billerica MA 01821 4111 Web www gesensing com Ireland Sensing House Shannon Free Zone East Shannon County Clare Ireland ...

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