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Hazardous Area Installation

European Hazardous Area Installation Definitions

Thermo Fisher Scientific

DCT6088 User Guide

8-7

This section provides hazardous area installation definitions for Europe to
assist in determining the operating environment for the instrument. Refer
to International Electrotechnical Commission (EIC) 79 for more
information on hazardous area definitions for Europe.

●

EEx ia IIB T6: IS classification; surface industry equipment used in
flammable atmospheres equivalent to ethylene or less; maximum
surface temperature of 185°F (85°C)

●

IP65: Dust-tight enclosure; protection against low pressure jets of water
from all directions (limited ingress permitted)

European

Hazardous Area

Installation

Definitions

European Safety

Requirements

The table below provides supplemental information for

compliance

with Safety Standard EN61010-1

.

Table

8–3.

European Safety

Requirements

Item

Requirement

Insulation rating

Double

Environmental operating
conditions (per EN-61010-1)

Pollution degree: 1

Installation category (over voltage): II

Peripheral connections

Equipment should only be connected to peripherals
conforming to installation category II

External isolator

Switch or circuit breaker must be located near the
equipment if the equipment is to be permanently
connected

Fuses (per EN-61010-1)

User-replaceable fuse for AC powered versions: 500 mA,
250 V, quick acting, 5 x 20 mm

User-replaceable fuse for DC powered versions: 1 A, 250 V,
quick acting, 5 x 20 mm

Non user-replaceable fuse for all versions: 5 A, 250 V,
quick acting

Output isolation

5 kVac surge isolation when powered from an external
source; not to be connected to continuous voltages in
excess of 50 Vac with respect to ground (earth)

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Summary of Contents for DCT6088

Page 1: ...DCT6088 Dedicated Transit Time Flowmeter User Guide P N 1 0561 006 Revision J Part of Thermo Fisher Scientific ...

Page 2: ......

Page 3: ...DCT6088 Dedicated Transit Time Flowmeter User Guide P N 1 0561 006 Revision J ...

Page 4: ......

Page 5: ...erican Grease Stick Company All other trademarks are the property of Thermo Fisher Scientific Inc and its subsidiaries Thermo Fisher Scientific Inc Thermo Fisher makes every effort to ensure the accuracy and completeness of this manual However we cannot be responsible for errors omissions or any loss of data as the result of errors or omissions Thermo Fisher reserves the right to make changes to t...

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Page 7: ...on Level Date Comments B 05 2003 Revised per ECO 3912 C 03 2005 Revised per ECO 4760 D 02 2006 Revised per ECO 5077 E 05 2007 Revised per ECO 5601 F 06 2007 Revised per ECO 5739 G 11 2007 Revised per ECO 6016 H 06 2011 Revised per ECO 7752 J Revised per ECO 9242 07 2017 ...

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Page 9: ... Method 2 1 Transducer Installation 2 2 Site Selection Preparation 2 2 Spacing Mounting the Transducers 2 4 Transducer Mounting Methods 2 7 V Method 2 7 W Method 2 7 Z Method 2 8 WV and WW Methods 2 12 Small Pipe Applications 2 13 Chapter 3 Wiring 3 1 Cable Routing 3 1 Power Connections 3 2 120 Vac Operation 3 3 Single Phase 240 Vac Operation 3 3 Double Phase 240 Vac Operation 3 3 12 to 24 Vdc Ope...

Page 10: ... Menu 5 5 The Total Menu 5 7 Options Menu 5 9 The Calibration Menu 5 13 Zero Set Calibration 5 13 Scale Factor Calibration 5 16 Sound Speed Compensation 5 17 Date and Time 5 17 The 4 20 mA Menu 5 18 The Relays Menus 5 20 Programming 5 20 Viewing Relays 5 24 Testing Relays 5 24 The Data Log Menu 5 25 The Diagnostics Menu 5 26 Emergency Override Master Erase 6 1 Chapter 6 Emergency Overrides 6 1 Per...

Page 11: ...y Requirements 8 7 Pipe Schedules A 1 Appendix A Fluid Properties B 1 Appendix B Fluid Sound Speeds Kinematic Viscosities B 1 Clean Water Sound Speed Versus Temperature B 15 Relationship Between Specific Gravity Viscosity Sound Velocity for Petroleum Products B 16 Monitoring Downloading Data Logs Using D Link C 1 Appendix C Purpose C 1 Installing D Link C 1 Establishing Communications with a Flowm...

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Page 13: ...maintain the system described however personnel are still responsible for considering all actions and procedures for potential hazards or conditions that may not have been anticipated in the written procedures If a procedure cannot be performed safely it must not be performed until appropriate actions can be taken to ensure the safety of the equipment and personnel The procedures in this manual ar...

Page 14: ...uipment damage Warnings Cautions Notes arnings Cautions Notes Warning Warnings notify users of procedures practices conditions etc which may result in injury or death if not carefully observed or followed Caution Cautions notify users of operating procedures practices conditions etc which may result in equipment damage if not carefully observed or followed Note Notes emphasize important or essenti...

Page 15: ...duction Theory of Operation Sound waves travel in fluids at a specific velocity depending on the type of fluid If the fluid is moving the sound wave travels at a velocity equal to the sum of the speed of sound in the fluid and the velocity of the fluid itself relative to the transducer A sound wave traveling in the same direction as the fluid flow downstream will arrive sooner than a sound wave tr...

Page 16: ...meter ID When this value is squared to get cross sectional area a 1 error yields a 2 error in volumetric flow In practice commercially fabricated pipe seldom has ID consistency much tighter than 1 and unless the pipe to be measured has been accurately measured this uncertainty is not reducible through instrument calibration The more sophisticated transit time flowmeters incorporate flow profile co...

Page 17: ...a use Two relays 5 amp SPDT fully programmable 7 For hazardous area use Three relays 5 amp SPDT fully programmable 8 For hazardous area use Four relays 5 amp SPDT fully programmable Code Transmitter Enclosure 1 NEMA 4X 2 NEMA 7 Code Transducer Type set of two S Standard cable 100 C 212 F maximum H High temperature cable 200 C 392 F maximum Code Transducer Cable set of two 030 30 ft 9 m cable lengt...

Page 18: ... Two encapsulated transducers suitable for submersion or underground service 9 m 30 ft standard cable length Weight Approximately 5 4 kg 12 lb Table 1 4 Functional specifications Outputs 4 20 mA into 1 to 5 kohms 12 bit 5 kV opto isolated loop or self powered RS232 serial interface Power supply 90 to 132 Vac or 190 to 250 Vac 50 60 Hz switch selectable 12 to 24 Vdc Temperature range Transducers Su...

Page 19: ...Product Overview External Features Thermo Fisher Scientific DCT6088 User Guide 1 5 External Features Figure 1 3 External features of the DCT6088 ...

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Page 21: ...ting Direct Mount Method The enclosure can be directly mounted to a wall by inserting four 1 4 screws into the mounting wells from the front of the enclosure The screws act as through bolts for securing the unit to the wall Mounting Ears Method The enclosure can be mounted to a flat vertical surface using the optional mounting ears The mounting ears can be oriented vertically or horizontally as fo...

Page 22: ...tion Site Selection Preparation Prior to installing the transducers a proper site must be selected to ensure accurate measurement Examples of site recommendations are illustrated below Figure 2 2 Site recommendations 2 2 DCT6088 User Guide Thermo Fisher Scientific ...

Page 23: ...ner prevents signal loss that can be caused by sediment along the bottom of the pipe or gas bubbles and air pockets along the top of the pipe Ensure that the pipe skin temperature is within the transducer temperature rating The transducers are rated for 40 F to 212 F 40 C to 100 C Temperature ratings up to 392 F 200 C are available with optional high temperature transducers Pipes with excessive co...

Page 24: ...f the pipe or gas bubbles or air pockets along the top of the pipe 4 Apply a wide bead of sonic coupling compound lengthwise down the center of the face of each transducer Note The coupling compound should squeeze out from around the edges of the transducer when placed against the pipe There should be no air gaps between the transducer and the pipe Refer to Replacing Sonic Coupling Compound Chapte...

Page 25: ...s centerline and that the gaps on either side of the centerline are equal Follow these steps for the easiest method of aligning transducers on small pipes a Secure both transducers to the pipe with pipe clamps and tighten the clamps until the transducers fit snugly b Adjust the transducers until the gaps on both sides are equal c While holding the transducers in place tighten the clamps sufficient...

Page 26: ...eter as follows a Connect the center wire of downstream transducer cable to the XMT DN terminal b Connect the braided shield wire of downstream transducer cable to the XMT GND terminal c Connect the center wire of upstream transducer cable to the RCV UP terminal d Connect the braided shield wire of upstream transducer cable to the RCV GND terminal 8 If maximum accuracy at low flow rates is importa...

Page 27: ...ypically yields a more accurate reading than the Z method since it utilizes a longer measurement path When configuring the flowmeter ensure V is the selected mounting method Figure 2 5 V mounting method W Method In many instances flowmeter performance on small metallic pipes with outer diameters of 4 inches 100 mm or less can be improved by using the W mounting method With the W method the sound w...

Page 28: ...scale poorly bonded linings or very large pipes In addition the Z method generally works better on larger diameter pipes where less pipe length is required for mounting Z Method Figure 2 7 Z mounting method To mount the transducers using the Z mounting method follow the steps below 1 Establish a reference at the 3 o clock and 9o clock positions on the pipe Figure 2 8 Z mounting method step 1 2 Pla...

Page 29: ...s 5 Fold one end of the paper across the pipe s width to produce a clean straight edge 6 Line the fold of the paper up with the horizontal centerline of the 3 o clock transducer Figure 2 10 Z mounting method steps 4 6 7 Wrap the paper firmly around the pipe and mark the intersection point where the fold comes in contact with the rest of the paper Figure 2 11 Z mounting method step 7 Thermo Fisher ...

Page 30: ...horizontal line along the pipe from the centerline of the 3 o clock transducer position Use a level to ensure that the line is level with the top of the pipe The line should be at least 3 inches 76 mm longer than the transducer spacing calculated by the UltraScan software or via menu 25 For example if the software calculates the spacing as 14 inches 356 mm draw a line 17 inches 432 mm long Figure ...

Page 31: ...ntal line on the 3 o clock side of the pipe Ensure that the inside corner of the straight edge of the paper is aligned with the mark made for the transducer spacing Tape the paper down or have someone hold the paper in place Figure 2 16 Z mounting method step 12 13 Go to the other side of the pipe 9 o clock position and mark the pipe at the point where the marked fold and the inside edge of the pa...

Page 32: ...Z mounting method step 14 15 Mount the transducers with pipe straps by following steps 5 6 in Spacing Mounting the Transducers earlier in this chapter Figure 2 19 Z mounting method step 15 The figure below illustrates the final Z method installation Figure 2 20 WV and WW Methods For applications with pipe diameters smaller than 2 inches 50 mm the WV and WW methods are options that allow higher acc...

Page 33: ...d as usual on to the coupling surfaces and clamp the transducers onto the pipe Use a pen sized standard screwdriver to remove the extra grease between the transducers and the pipe Figure 2 21 Effect of extra compound on small pipes For high temperature or outdoor small pipe applications use the foam tape strips shipped with the flowmeter to block the side wave paths Other tape materials generally ...

Page 34: ...hes 9 7 mm 1 5 to 2 0 inches 38 1 to 50 8 mm 0 32 inches 8 13 mm 1 5 inches 38 1 mm and smaller 0 25 inch 6 35 mm Figure 2 22 3 Remove the adhesive protection paper to expose the tape strips Place a strip on each side of the surface along the line Press the strips down to ensure good adhesion Figure 2 23 4 Apply coupling compound to the space between the tape strips The optimum height of the compo...

Page 35: ... Prevent the possibility of electrical shock or damage to the instrument Disconnect power prior to removing the sheet metal access cover Replace the cover before reconnecting power to the unit Warning All wiring should be routed through conduit or cable glands to seal the enclosure Refer to Figure 3 1 for the recommended cable routing Bonding between conduit connections is not automatic and must b...

Page 36: ...h local standards or codes of practice The power input terminals shown in Figure 3 1 can be connected to one of the following voltages 120 Vac 50 60 Hz setting should be on 110 240 Vac 50 60 Hz setting should be on 220 12 to 24 Vdc setting should be on 110 To connect power remove the sheet metal access cover Locate the individual power input terminals They are marked directly on the main board or ...

Page 37: ...nal 3 Connect the ground wire to the GND terminal Double Phase 240 Vac Operation To connect the power for double phase 240 Vac operation 1 Connect the one hot wire to the L1 terminal 2 Connect the other hot wire to the L2 N terminal 3 Connect the ground wire to the GND terminal 12 to 24 Vdc Operation Note For DC operation set the 4 20 mA current loop function to loop powered mode to prevent ground...

Page 38: ... module Current loop modules that are loop powered must be driven from an external power supply In this case the flowmeter acts as a passive two wire transmitter Warning Prevent the possibility of electrical shock or damage to the instrument Disconnect power prior to making connections or changing the loop configuration To connect the current loop 1 Ensure the loop powering option is correct Locat...

Page 39: ...e relays are rated at 5 A 250 Vac Each relay contains a normally open and normally closed dry contact accessible at the terminal blocks The terminals for the relay are labeled on the module as NO normally open C common and NC normally closed When the relay is energized the C terminal is shorted to the NO terminal refer to Figure 3 5 When the relay is at rest the C terminal is shorted to the NC ter...

Page 40: ...terminal block is for future development Communications Terminal Block The communications terminal block is for future development Transducer Wiring The transducer terminals and cables are arranged in pairs and are labeled DN STREAM and UPSTREAM The downstream transducer cable has blue banded ends and the upstream transducer has red banded ends Refer to the figure below The symbol is on both pairs...

Page 41: ...ast setting The Keypad Display Figure 4 1 Keypad display Adjusting the Contrast You may need to adjust the contrast on the display as ambient temperature changes Follow the steps below to do so 1 Press MENU followed by the plus minus key 2 LCD CONTRAST appears on the display with a bar the indicating current contrast setting 3 Press the left or right arrows to adjust the contrast 4 Press ENTER whe...

Page 42: ...low 1 Press MENU and the letter M appears in the lower right corner of the display 2 Enter the desired two digit address Note The address must be entered while the M is displayed within approximately 4 seconds If the M is no longer displayed press MENU again followed by the two digit address 3 If the setup menu requires a numeric entry use the numeric keys to enter the value and press ENTER to acc...

Page 43: ... Speed 14 Pipe Inside Roughness 15 Liner Liner Material 16 Liner Thickness 17 Liner Sound Speed 18 Liner Inside Roughness 19 Fluid Fluid Type 20 Fluid Sound Speed 21 Fluid Viscosity 22 Transducer Transducer Type 23 Transducer Mounting 24 Transducer Spacing 25 Flow Flow Units 30 Max Flow Range 31 Min Flow Range 32 Damping 33 Low Flow Cutoff 34 Low Signal Cutoff 35 Totalizer Totalizer Units 36 Total...

Page 44: ...tion 50 Zero Set 51 Scale Factor 52 Sound Speed Compensation 53 Date and Time 54 Current Loop 56 Current Loop Span 57 Current Loop Calibration 58 Current Loop Test 59 Relays 70 Program Relays 71 View Relays 72 Test Relays 73 Datalog 80 Datalog Interval 81 Diagnostics Signal Strength Margin 90 Delta Time Fluid Sound Speed 91 Reynolds Profile Factor 92 Current Loop Output 93 Software Firmware Rev Le...

Page 45: ...in individual setup and diagnostic menus Following is an example of how to use the arrow keys to access the Main menu from any screen 1 Press MENU twice The Main menu is displayed with the Pipe and Line submenu options Figure 4 3 The Main menu 2 To view the remaining submenus press the down arrow Figure 4 4 Remaining submenus of the Main menu 3 When the desired submenu is highlighted press ENTER t...

Page 46: ...transducer spacing acquire ultrasonic signal and measure flow The number in parentheses after the required menu is the two digit address to directly access that menu 1 Select a proper transducer site according to Site Selection Preparation in Chapter 2 2 Access the Pipe submenu This submenu contains setup menus related to the pipe parameters such as pipe inside diameter ID and pipe outside diamete...

Page 47: ...e 4 8 Pipe ID setup menu c Select the Pipe Material setup menu 13 Press the up or down arrow to scroll through the available options Note Select OTHER if the material is not listed You must then enter the pipe sound speed 14 and pipe inside roughness 15 Figure 4 9 Pipe Material setup menu Note Refer to The Pipe Menu Chapter 5 for additional items not addressed in the quick setup procedure 3 If the...

Page 48: ...er Thickness setup menu Note Refer to The Liner Menu Chapter 5 for additional items not addressed in the quick setup procedure 4 Access the Fluid Type setup menu 20 and select one of the available options Note Select OTHER if the fluid type is not listed You must then enter the fluid sound speed 21 and fluid viscosity 22 Figure 4 12 Fluid Type setup menu Note Refer to The Fluid Menu Chapter 5 for ...

Page 49: ...13 Transducer Type setup menu b Access the Transducer Mounting setup menu 24 and select the desired mounting method Figure 4 14 Transducer Mounting setup menu 6 Access the Transducer Spacing view only menu 25 Note the required spacing between transducers Figure 4 15 Transducer Spacing menu 7 Enter the Flow submenu and access the Flow Units setup menu 30 Select the flow rate units a Select one of t...

Page 50: ...re 8 Install the transducers on the pipe using the spacing provided by the flowmeter and connect the transducer cables to the flowmeter 9 Access a Primary Display 00 through 04 to complete the configuration process If the flowmeter and transducers are properly installed and a steady flow is present the flow and signal strength readings should be relatively stable Note If any of the above setup par...

Page 51: ... value is displayed Figure 5 1 Flow Net Totalizer primary display Flow Velocity The Flow Velocity primary display 01 indicates the flow rate and fluid velocity Velocity is displayed in feet per second FPS if English is selected as the measurement unit menu 42 and in meters per second MPS if Metric is selected Figure 5 2 Flow Velocity primary display Flow Positive Totalizer The Flow Positive Totali...

Page 52: ...th Low Signal Cutoff primary display The Pipe Menu The Pipe menu contains additional items that are not included in the quick setup procedure described in Chapter 4 These items are listed below Pipe Wall Thickness setup menu 11 Figure 5 6 Pipe Wall Thickness setup menu Pipe Sound Speed setup menu 14 This menu can only be configured if OTHER was selected as the pipe material 13 Enter the pipe sound...

Page 53: ...items are listed below Liner Sound Speed setup menu 18 This menu can only be configured if OTHER was selected as the liner material 16 Enter the liner sound speed If OTHER was not selected as the liner material this menu is available by the direct access method only and functions as a view only display to indicate the liner s sound speed as programmed in the instrument s database Figure 5 9 Liner ...

Page 54: ...irect access method only and functions as a view only display to indicate the fluid sound speed as programmed in the instrument s database Figure 5 11 Fluid Sound Speed setup menu Fluid Viscosity setup menu 22 This menu can only be configured if OTHER was selected as the fluid type 20 Enter the fluid viscosity If OTHER was not selected as the fluid type this menu is available by the direct access ...

Page 55: ...t settings are the maximum and minimum flows for the new pipe ID that occur at 32 and 32 ft s 9 76 and 9 76 m s Damping setup menu 33 Use this menu to enter the value for the damping coefficient which suppresses short term fluctuations in the indicated flow rate The displayed flow rate and the 4 20 mA current loop output is a moving average of the last n seconds where n is the damping value Increa...

Page 56: ...e 5 16 Low Flow Cutoff setup menu For example if you enter a low flow cutoff of 0 1 ft s 0 03 m s the flowmeter will be driven to zero for flow rates less than 0 1 ft s in the positive direction and greater than 0 1 ft s in the negative direction Figure 5 17 Low Signal Cutoff setup menu 35 Empty pipes or solids bubbles or voids in the flow stream may cause temporary drops in signal strength and er...

Page 57: ...ree seconds Figure 5 19 Low Signal Action setup menu The Total Menu Access the Total menu to configure the totalizer parameters Totalizer Units setup menu 36 The flow units elected for the totalizer display may be different from the flow unit selected for the flow rate display Figure 5 20 Totalizer Units setup menu Totalizer Multiplier setup menu 37 The totalizer value can be displayed with one of...

Page 58: ...ve totalizer The positive totalizer tracks the flow that moves in the positive direction from upstream transducer to downstream transducer It is not affected by flow in the opposite direction Figure 5 23 Positive Totalizer setup menu Negative Totalizer setup menu 40 Use this menu to enable or disable the negative totalizer The negative totalizer tracks the flow that moves in the negative direction...

Page 59: ...umber is displayed in the lower left corner of the screen and is followed by a colon An example of a site numbered 1 is shown below Figure 5 27 Site Parameters setup menu As the setup parameters are entered during normal configuration they are saved simultaneously in the Site Parameters setup menu for whichever site has the asterisk displayed Access a different site to automatically enter that sit...

Page 60: ...ration parameter that can be modified The remaining parameters parity character size stop bits are preset Figure 5 29 RS232 Configuration setup menu Access a Primary display to cause the flowmeter to use the new settings Change System Password setup menu 47 The flowmeter is shipped from the factory with the system password disabled If a password is enabled the flowmeter requests the password when ...

Page 61: ...p menu is displayed which allows you to change the scale factor password Access menu 00 to lock the system with the new password Change Scale Factor Password setup menu 48 Use this menu to change the scale factor password which is designed to protect the scale factor from unauthorized or accidental changes The flowmeter ships from the factory with the scale factor password disabled If the scale fa...

Page 62: ...ftware will display that the password is accepted Figure 5 34 If the password is incorrectly entered it will display that the entry is rejected Figure 5 35 Figure 5 34 Figure 5 35 Unit ID identification Number setup menu 49 This number is set by the operator to identify the specific instrument or site Any whole number between 1 and 60 000 may be entered Figure 5 36 Unit ID setup menu 5 12 DCT6088 ...

Page 63: ... offset to all flow readings Where an offset is required Scale Factor Compensates for manufacturing variations in the transducers Set by the factory to the value imprinted on the transducers After installing the meter you may find that a small adjustment to the zero point zero set calibration is required Zero set calibration enables the meter to read very close to zero under zero flow conditions T...

Page 64: ...5 ft s 0 076 and 0 076 m s Zero Flow Set Method 1 Ensure there is no flow in the pipe 2 Access the Zero Set menu 51 Figure 5 38 3 Select No Flow If the zero flow set calibration is successful Figure 5 39 is displayed If the flow rate is too high to perform a zero flow set calibration Figure 5 40 is displayed In this case continue to step 4 Figure 5 39 Zero set calibration successful Figure 5 40 Ze...

Page 65: ...imary display 00 3 Minimize flow in the pipe 4 Set the damping so that the flowmeter reads a steady flow 5 Allow the flowmeter to settle for 10 minutes 6 Take 10 separate flow readings and average This average is designated as P for positive in the formula seen in step 10 7 Disconnect the transducer wires and reverse the upstream and downstream wires The flowmeter displays a negative flow reading ...

Page 66: ...ng variations in the transducers The scale factor printed on the transducer set should be entered in the Scale Factor setup menu 52 Observe the following precautions when setting the scale factor Always determine the scale factor at the highest possible flow rate achievable in order to maximize accuracy of the scale factor Use only the factory preset scale factor as marked on the transducers in th...

Page 67: ...eed more accurately when this feature is enabled Figure 5 43 Sound Speed Compensation setup menu Date and Time Access the Date and Time setup menu 54 to set the date and time in the flowmeter s internal clock The time is expressed in military time 24 hour format and the date is in the month day year format Figure 5 44 Date and Time setup menu If you are not using UltraScan set the time and date as...

Page 68: ...te and time will be displayed The 4 20 mA Menu Under the 4 20 mA submenu is the Current Loop Group menu 56 which contains three setup menus Span Cal and Test menus 57 through 59 Figure 5 46 Current Loop Group menu The 4 20 mA current loop is factory calibrated and should not require field calibration prior to use If calibration and testing should become necessary complete the following procedure t...

Page 69: ...ds exactly 20 00 mA on the milliammeter Every two presses of the arrow key adjusts the calibration approximately 01 mA 8 Access the Flow Net Totalizer primary display 00 9 Test the current loop calibration by accessing the Current Loop Test menu 59 Figure 5 49 Current Loop Test menu 10 Change the current loop output in 1 mA increments using the right and left arrows The output indicated on the scr...

Page 70: ...30 seconds after calibrating or testing The Relays Menus The RELAYS menu contains the setup menus for programming viewing and testing the instrument s relay parameters The relays may be used for functions such as alarm pump control etc Up to four relays may be independently programmed for a variety of on off conditions Alternatively the relay can send a pulse to a remote device for example a total...

Page 71: ...ctuates when the net totalizer value is greater than the ON condition value NET TOT Relay actuates when the net totalizer value is less than the ON condition value POS TOT Relay actuates when the positive totalizer value is greater than the ON condition value POS TOT Relay actuates when the positive totalizer value is less than the ON condition value NEG TOT Relay actuates when the negative totali...

Page 72: ...r decrement depending upon the direction of the flow Since the external totalizer driven by the net totalizer pulse can only increment the flowmeter stops transmitting pulses whenever negative flow is being measured The flowmeter tracks the negative flow and does not start sending pulses to the external totalizer until the measured negative flow is canceled out by positive flow If an application h...

Page 73: ...cycling on and off when the flow is close to the ON or OFF value For example if the ON condition is FLOW 250 gallons per minute the OFF condition may be set at FLOW 240 gallons per minute At these settings the relay turns on when the flow exceeds 250gallons per minute and does not turn off until the flow falls below 240 gallons per minute Figure 5 55 Relay Off Condition screen 6 Press the down arr...

Page 74: ...elay as follows 1 Access the Test Relays menu 73 The ON OFF status of each relay will be displayed This display shows that relays 1 and 2 are off and relays 3 and 4 are on Figure 5 59 Test Relays menu 2 Select the relay and press Enter The relay s ON or OFF indication on the display changes to indicate the new status The relay should audibly click as it opens or closes and the LED should light up ...

Page 75: ...ASCII format to a PC for record keeping or analysis In addition the data log file can be deleted by resetting the data point values to zero Log files are transferred using the D Link flowmeter data link utility refer to Appendix D Data Log setup menu 80 The only option available in this menu is Interval Select this to enter the next menu Figure 5 60 Data Log setup menu Data Log Interval menu 81 Da...

Page 76: ...han 50 Signal strength is generally greater than 3 under good measurement conditions Figure 5 62 Signal Strength Margin display Delta Time Fluid Sound Speed display 91 Displays the value for DeltaT and the fluid sound speed as measured by the flowmeter DeltaT is the difference between the upstream and downstream travel times expressed in nanoseconds ns Figure 5 63 Delta Time Fluid Sound Speed disp...

Page 77: ...lays values of the current in mA that the flowmeter is presently providing to the current loop output Figure 5 65 Current Loop Output display Software Firmware Revision Level display 94 Displays the software SOFT VERS and firmware FPGA VERS versions installed in the flowmeter Figure 5 66 Software Firmware Revision Level display ...

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Page 79: ...word These override passwords may not be changed or disabled Performing a Master Erase Performing a Master Erase Caution The master erase function erases all user entered data and data in the data logger Note all configuration settings and download the data log file if a record is desired prior to performing a master erase To perform a master erase 1 Turn the flowmeter off and back on 2 When the m...

Page 80: ...ase 6 2 DCT6088 User Guide Thermo Fisher Scientific 4 At the prompt press the decimal key within three seconds to continue Figure 6 2 5 If the master erase function is completed the message shown below is displayed Figure 6 3 6 Enter all configuration data ...

Page 81: ...cover does not need to be removed since there is a fuse access hole To replace the fuse 1 Disconnect power from the flowmeter 2 Determine the cause of the fuse failure and correct if known 3 Open the door of the flowmeter 4 Using a small flat bladed screwdriver remove the fuse and replace it with another fuse of the same rating 5 Reconnect power to the flowmeter and verify that the unit is operati...

Page 82: ...r above and one washer beneath 5 To prevent damage to the connector grasp the module by all four edges and slowly lift it straight out from the main board 6 Align the pins on the new module with the connector on the main board and press the module straight in Caution To ensure proper operation and avoid damage to the module align the pins on the module properly with the connector before inserting ...

Page 83: ...acing Sonic Coupling Compound Any voids or air gaps that exist in the coupling compound beneath the transducers can reduce the signal and render the flowmeter inoperative Coupling compound should be protected from washout and replaced as required Annual replacement is recommended for most applications to maintain optimal performance Follow the steps below to replace the coupling compound 1 Remove ...

Page 84: ...should be completely cured prior to covering up the transducer site or taking readings Krautkramer Hitempco p n 22861 0001 Good high temperature couplant Should be used with optional high temperature transducers rated up to 392 F 200 C Caution The transducers should not be bonded with epoxy Software Upgrades tware Upgrades General Troubleshooting General Troubleshooting The current software for yo...

Page 85: ...stance You can also contact Thermo Fisher directly at the locations below Process Instruments 1410 Gillingham Lane Sugar Land TX 77478 USA 1 800 437 7979 1 713 272 0404 direct 1 713 4573 fax 14 Gormley Industrial Avenue Gormley Ontario L0H 1G0 CANADA 1 905 888 8808 1 905 888 8828 fax Unit 702 715 7 F Tower West Yonghe Plaza No 28 Andingmen East Street Beijing 100007 CHINA 86 10 8419 3588 86 10 841...

Page 86: ... be defective in material or workmanship and which are reported to Thermo Fisher within the warranty period as provided above This right to replacement shall be Buyer s exclusive remedy against Thermo Fisher Thermo Fisher shall not be liable for labor charges or other losses or damages of any kind or description including but not limited to incidental special or consequential damages caused by def...

Page 87: ...orth American Certification The transducers are certified by CSA as follows Intrinsically safe IS transducer for Class I and II Div 1 Groups C D E F G IS barriers required Non incendive for the following areas IS barriers not required Class I Div 2 Groups A B C D Class II Div 2 Groups E F G The table below lists CSA s hazardous area installation requirements for North America Table 8 1 North Ameri...

Page 88: ...t equipment unless the area is known to be non hazardous In addition do not replace the fuse or output module unless power has been switched off or the area is known to be non hazardous Figure 8 1 North American IS Div 1 hazardous area installation refer to drawing 22493 0003 8 2 DCT6088 User Guide Thermo Fisher Scientific ...

Page 89: ...zardous Area Installation North American Certification Figure 8 2 North American non incendive Div 2 hazardous area installation refer to drawing 22493 0001 Thermo Fisher Scientific DCT6088 User Guide 8 3 ...

Page 90: ...ssified Instrument N A EExd1 enclosure EExd1 enclosure IP65 enclosure Transducers EEx ia barriers required EEx ia barriers required EEx ia barriers required Barriers not required Installation drawing2 Figure 8 3 Figure 8 3 Figure 8 3 N A 1 Instrument should be installed in accordance with required codes including use of explosion proof seals for the wiring connections to the enclosure 2 The flowme...

Page 91: ...Hazardous Area Installation European Certification Figure 8 3 European hazardous area installation refer to drawing 22493 0005 Thermo Fisher Scientific DCT6088 User Guide 8 5 ...

Page 92: ... conditions Group A Atmospheres containing acetylene Group B Atmospheres containing hydrogen or gases of equivalent hazard Group C Atmospheres containing ethyl ether vapors ethylene or cyclopropane Group D Atmospheres containing gasoline hexane benzene butane propane alcohols acetone benzol lacquer solvent vapors or natural gas Group E Atmospheres containing metal dust Group F Atmospheres containi...

Page 93: ...nts The table below provides supplemental information for compliance with Safety Standard EN61010 1 Table 8 3 European Safety Requirements Item Requirement Insulation rating Double Environmental operating conditions per EN 61010 1 Pollution degree 1 Installation category over voltage II Peripheral connections Equipment should only be connected to peripherals conforming to installation category II ...

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Page 95: ...side diameters IDs listed in the following tables are calculated from the outside diameter OD and minimum wall thicknesses as specified in applicable standards The actual pipe ID may vary from the dimension listed in the tables by as much as 25 of the pipe minimum wall thickness The accuracy of flow rate measurement is enhanced if the pipe ID is actually measured Thermo Fisher Scientific DCT6088 U...

Page 96: ...Pipe Schedules Table A 1 Steel stainless steel and PVC pipe standard schedules A 2 DCT6088 User Guide Thermo Fisher Scientific ...

Page 97: ...Pipe Schedules Table A 2 Cast iron pipe standard classes Thermo Fisher Scientific DCT6088 User Guide A 3 ...

Page 98: ...Pipe Schedules A 4 DCT6088 User Guide Thermo Fisher Scientific Table A 3 Ductile iron pipe standard classes ...

Page 99: ...used to calculate flow profile Even a comparatively large error in viscosity results in a change of only 2 to 5 percent Table B 1 Properties Liquid t C c m s t F c ft s cSt Acetaldehyde CH3CHO 16 1 61 0 305 20 68 0 295 Acetic acid 50 1584 122 5196 10 15 59 1 35 50 15 59 2 27 80 15 59 2 85 Conc glacial 15 59 1 34 Acetic anhydride 24 1384 75 4540 15 59 0 88 Acetone CH3COCH3 20 1190 68 3903 0 41 Acet...

Page 100: ... Argon 183 0 816 7 297 2679 Asphalt blended RC 0 MC 0 SC 0 25 77 159 324 37 8 100 60 108 RC 1 MC 1 SC 1 37 8 100 518 1080 50 122 159 324 RC 2 MC 2 SC 2 50 122 518 1080 60 140 215 430 RC 3 MC 3 SC 3 50 122 1295 2805 60 140 540 1080 RC 4 MC 4 SC 4 60 140 1725 4315 82 8 180 270 540 RC 5 MC 5 SC 5 60 140 6040 18340 82 8 180 647 1295 RS 1 MS 1 SS 1 25 77 33 216 37 8 100 19 75 Asphalt emulsions Fed 1 25...

Page 101: ...E 85W 98 9 210 11 0 min SAE 90 98 9 210 14 25 SAE 14Q 98 9 210 25 43 SAE 150 98 9 210 43 min Beer 20 68 1 8 Benzene Benzol C6H6 20 1321 68 4333 0 744 0 32 1 00 Benzophenone 100 1316 212 4316 Bismuth 285 1663 545 5455 Bone oil 54 4 130 47 5 100 212 11 6 Bromine 20 68 0 34 Bromobenzene 50 1074 122 3523 Bromoform 25 908 77 2978 Butane n 1 1 50 0 52 30 0 35 Butyl acetate 30 1172 86 3844 n Butyl alcoho...

Page 102: ...e 20 938 68 3077 Castor oil 18 6 1500 65 4920 37 8 100 259 325 54 4 130 98 130 China wood oil 20 6 69 308 5 37 8 100 125 5 Chlorine 20 850 68 2788 m Chlornitrobenzene 40 1368 104 4487 Chlorobenzene 25 1302 77 4271 Chloroform 20 68 0 38 25 995 77 3264 60 140 0 35 Coconut oil 37 8 100 29 8 31 6 54 4 130 14 7 15 7 Cod oil 37 8 100 32 1 54 4 130 19 4 Corn oil 54 4 130 28 7 100 212 8 6 Corn starch solu...

Page 103: ...eek 15 6 60 77 54 4 130 6 1 Cyclohexane 20 1278 68 4192 Cyclohexanol 30 1622 86 5320 Decane n 17 8 0 2 36 37 8 100 1 001 1 Decene 20 1250 68 4100 Deuterium oxide 20 1381 68 4530 Diesel fuel oils 2D 37 8 100 2 6 54 4 130 1 3 97 3D 37 8 100 6 11 75 54 4 130 3 97 6 78 4D 37 8 100 29 8 max 54 4 130 13 1 max 5D 50 122 86 6 max 71 1 160 35 2 max Diethyl ether 20 68 0 32 Diethylene glycol 21 1 70 32 30 1...

Page 104: ...r 10 932 50 3057 20 68 0 27 Ethyl glycol 30 1606 86 5268 Ethyl iodide 20 876 68 2873 Ethylene bromide 20 68 0 787 Ethylene chloride 20 68 0 668 Ethylene dibromide 24 1014 75 3326 Ethylene dichloride 23 1240 73 4067 Ethylene glycol 21 1 70 17 8 30 1616 86 5300 Ethylene glycol monoethyl ether 30 1279 86 4195 Ethylene glycol monomethyl ether 30 1339 86 4392 Formaldehyde 25 1587 77 5205 Formamide 25 1...

Page 105: ...7 5B 21 1 70 26 4 37 8 100 13 6 67 1 6 50 122 97 4 660 71 1 160 37 5 172 Gallium 50 2740 122 8987 Gas oils 21 1 70 13 9 37 8 100 7 4 Gasolines a 15 6 60 0 88 37 8 100 0 71 b 15 6 60 0 64 c 15 6 60 0 46 37 8 100 0 40 Glycerine 30 1923 86 6307 100 20 3 69 648 37 8 100 176 50 water 20 68 5 29 60 140 1 85cp Glucose 37 8 100 7 7M 22M 65 6 150 880 2420 Guaicol 100 1252 212 4107 Helium 268 8 179 8 452 59...

Page 106: ...8 100 0 401 Honey 37 8 100 73 6 Hydrogen 256 1187 429 3893 Industrial lubricants Turbine oils 685 15 6 60 647 SSU at 100 F 93 3 200 14 5 420 15 6 60 367 SSU 93 3 200 11 315 15 6 60 259 SSU 93 3 200 8 215 15 6 60 151 SSU 93 3 200 7 3 150 15 6 60 151 SSU 93 3 200 6 Machine lubricants 8 37 8 100 23 34 54 4 130 13 18 10 37 8 100 34 72 54 4 130 18 25 20 37 8 100 72 83 54 4 130 25 39 30 37 8 100 75 119 ...

Page 107: ...13 Jet fuel av 34 4 30 7 9 Lard 37 8 100 62 1 54 4 130 34 3 Lard oil 37 8 100 41 47 5 54 4 130 23 4 27 1 Lead 340 1760 644 5773 Linseed oil 37 8 100 30 5 54 4 130 18 94 Menhadden oil 37 8 100 29 8 54 4 130 18 2 Menthol 50 1271 122 4169 Merck 20 2 1482 3 68 4862 Mercury 20 1454 68 4769 21 1 70 0 118 37 8 100 0 11 Methanol 20 1118 68 3667 Methyl acetate 20 68 0 44 30 1131 86 3710 Methyl alcohol 20 1...

Page 108: ...4018 Neatsfoot oil 37 8 100 49 7 54 4 130 27 5 Nitrobenzene 20 68 1 67 23 8 1462 75 4795 Nitrogen 188 9 744 7 308 2443 Nonane 20 1248 68 4093 1 None 20 1218 68 3995 Nonene n 17 8 0 1 728 37 8 100 0 807 n Octane 17 8 0 1 266 20 1192 68 3910 37 8 100 0 645 Oil lubricating 10 1625 50 5330 Oil of camphor 25 1390 77 4559 Oleic acid 20 1442 68 4730 Olive oil 21 7 1440 71 4723 37 8 100 43 2 54 4 130 24 1...

Page 109: ...212 4179 Potassium 150 1840 302 6035 n Propanol 20 1220 68 4002 Propionic acid 20 68 1 13 n Propyl acetate 26 1182 79 3877 n Propyl alcohol 20 1223 2 68 4012 Propylene glycol 21 1 70 52 Pyridine 20 1445 68 4740 Quenching oil typical 100 120 Rapeseed oil 37 8 100 54 1 54 4 130 31 Rosin oil 37 8 100 324 7 54 4 130 129 9 Rosin wood 37 8 100 216 11M 93 3 200 108 4400 Rubidium 160 1260 320 4133 Sesame ...

Page 110: ... 21 23 54 4 130 19 6 Sugar solutions Corn syrup 86 4 Brix 37 8 100 180Mcp 82 2 180 1750cp 84 4 Brix 37 8 100 48Mcp 82 2 180 800cp 82 3 Brix 37 8 100 17Mcp 82 2 180 380cp 80 3 Brix 37 8 100 6900cp 82 2 180 230cp 78 4 Brix 37 8 100 3200cp 82 2 180 160cp Sucrose 60 Brix 21 1 70 49 7 37 8 100 18 7 64 Brix 21 1 79 49 7 37 8 100 31 6 68 Brix 21 1 70 216 4 37 8 100 59 5 72 Brix 21 1 70 595 37 8 100 138 6...

Page 111: ...Tar pine 37 8 100 559 55 6 132 108 2 Tar road RT 2 50 122 43 2 64 9 100 212 8 88 10 2 RT 4 50 122 86 6 154 100 212 11 6 14 3 RT 6 50 122 216 440 100 212 16 8 26 2 RT 8 50 122 660 1760 100 212 31 8 48 3 RT 10 50 122 4 4M 13 2M 100 212 53 7 86 6 RT 12 50 122 25M 75M 100 212 108 173 Tetralin 20 1484 68 4868 Tin molten 240 2470 464 8102 Toluene 20 68 0 68 30 1275 86 4182 o Toluidine 22 5 1669 73 5474 ...

Page 112: ... l Undecene 20 1275 68 4182 Varnish spar 20 68 313 37 8 100 143 Water Distilled 20 1482 9 68 4864 1 0038 Fresh 15 6 60 1 13 54 4 130 0 55 Sea 1 15 Water sea Surface 3 5 salinity 15 1507 4 59 4944 Whale oil 37 8 100 35 39 6 54 4 130 19 9 23 4 Xylene hexafluoride 25 879 77 2883 o Xylene 20 68 0 93 22 1352 72 4435 Zinc 450 2700 842 8856 B 14 DCT6088 User Guide Thermo Fisher Scientific ...

Page 113: ... 1481 968 77 25 4909 1 1496 294 86 30 4949 9 1508 73 95 35 4985 1519 428 104 40 5014 7 1528 481 113 45 5039 4 1536 009 122 50 5059 6 1542 166 131 55 5075 4 1546 982 140 60 5087 2 1550 579 149 65 5095 3 1553 047 158 70 5099 7 1554 389 167 75 5100 8 1554 724 176 80 5098 7 1554 084 185 85 5093 6 1552 529 194 90 5085 6 1550 091 203 95 5074 8 1546 799 212 100 5068 4 1544 848 Thermo Fisher Scientific DC...

Page 114: ...uide Thermo Fisher Scientific Figure B 1 Graphical representation of Table B 2 The graph below illustrates the approximate relationship between specific gravity viscosity and sound velocities for aliphatic hydrocarbons petroleum products Relationship between Specific Gravity Viscosity Sound Velocity for Petroleum Products ...

Page 115: ...Installing D Link To install the software start the PolyCD and select D Link in Communication Software Follow the instructions to install D Link Establishing Communications with a Flowmeter 1 Go to the Options Group menu 42 and select D Link in the communication options 2 Connect a RS232 cable from the PC to the flowmeter 3 Open the D Link utility If a Communication Failed dialogue opens click OK ...

Page 116: ...onitoring Data Logs Once communications between the PC and the meter are established the program opens Click the arrow below Get Log and select the log file you want to check Click Get Log Figure C 2 Selecting a data log The log information will download and be displayed Figure C 3 Log information can be downloaded from the meter when the log is still running This enables you to monitor the flow d...

Page 117: ...ic DCT6088 User Guide C 3 Figure C 3 Data log downloaded Saving Loading Data Logs Once the data log is displayed you can save it Go to File Save Log The file can then be opened in data processing software such as Microsoft Excel To load a previously saved log file go to File Load Log Figure C 4 ...

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Page 119: ...Thermo Fisher Scientific DCT6088 User Guide D 1 Appendix D Toxic Hazardous Substances Tables The English and Chinese versions of the Toxic and Hazardous Substances tables are shown below ...

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Page 121: ...Thermo Fisher Scientific 81 Wyman Street P O Box 9046 Waltham Massachusetts 02454 9046 United States www thermofisher com ...

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