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Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual

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Periodic Check Tests

14.2

Pressure Differential Test Procedure

14.2.1

Pressure Differential Test Equipment

Perform differential testing by using the following test equipment specifications:

•

Use differential pressure test equipment with an indicating scale range of at least 20 inches of w.c.

•

Use a testing device with bypass valving that is pressure rated for the maximum metering line
pressure for the test.

•

Connect pressure lines to the 1/4 inch meter inlet and outlet pressure taps located on the meter
body, as shown in Figure 75.

•

(Optional) Permanently install differential test plugs in the pressure taps to facilitate testing.

•

(Recommended) Use a pressure gauge to verify pressure readings.

14.2.2

Differential Test Process

The meter is able to display the flow rate when it is operating at a fairly steady rate of flow (refer to
Section 11.4.)

WARNING

When the meter is pressurized, follow applicable safety rules and use appropriate personal protective
equipment.

Install the pressure differential test equipment into the meter inlet and outlet differential taps (refer
to Figure 75)

. Follow the manufacturer’s instructions for proper installation and operating procedures.

On the upstream side of the meter, install a pressure gauge or other pressure standard if it is not
already a part of the test equipment.

If possible, use the meter set valve(s) to adjust the flow rate in the lower capacity range or no less
than 25%

of the meter’s rated capacity. Let the flow rate stabilize.

Содержание 10C25 DI

Страница 2: ...llation or Operation 10 6 Meter Installation 11 6 1 Preinstallation Considerations 11 6 2 Placing Meter in Line 14 7 Meter Startup 15 8 Downstream Leak Tests 16 8 1 Flow Indicator Method 17 8 2 Electronic Method Magnetic Interface 17 8 3 Electronic Method MeterWare Interface 18 9 AMR Installation 19 10 Pulse Output Connections 24 10 1 Pulse Output Allocation Settings and Testing 24 10 2 Wiring Ins...

Страница 3: ...ature Probe Insertion or Replacement 39 12 6 Battery Maintenance 39 12 7 Removing the Meter from Service 45 13 Testing Procedure 46 13 1 Prover Test Mode Configuration 46 13 2 Proving with the Honeywell SNAP Prover 49 13 3 Testing Modes 53 13 4 Proving with Dresser Model 5 Transfer Prover 54 14 Differential Testing 57 14 1 Establishing Baseline Curves 58 14 2 Pressure Differential Test Procedure 5...

Страница 4: ...ies K DI DI T meter continues the Dresser legacy of superior long term rotary meter performance in a compact oil free design The 10C25 meter body offers A maximum flow rate of 1 000 acfh An MAOP maximum allowable operating pressure of 25 psig A functional and aesthetic design for situations in which a larger meter may draw unwanted attention Bi directional flow capability that allows for more comp...

Страница 5: ... contacting seal This design effectively isolates the gas at the meter inlet from the gas at the outlet This enables a very small pressure drop across the impellers to cause them to rotate 2 2 Performance Characteristics The 10C25 rotary meter has the following performance characteristics Manufactured in accordance with the American National Standard specification ANSI ASC B109 3 for rotary type g...

Страница 6: ...isible damage or shortages on the delivery record b File a claim with the carrier c Immediately notify your Dresser meter supplier Note Do not accept any shipment that appears damaged without immediately inspecting the contents for damage Check the meter for free rotation soon after arrival Internal working parts might be damaged without obvious external evidence To check the meter blow dry air li...

Страница 7: ...screen 4 1 1 Scrolling Through the Screens To scroll through the different screens swipe a magnet across the black dot to the right of the LCD screen on the meter s label as shown in Figure 3 Note The screen will not change if the magnet is swiped on another area of the label Figure 3 Magnet used to change screens Flow Indicator under sight glass LCD screen Pulse output connector IR window IrDA ca...

Страница 8: ... configure parameters on the screens by selecting or clearing the checkbox for the parameter to be displayed refer to the Dresser MeterWare Software Manual Table 2 Scrolling Sequence of LCD Screens Displayed on Screen Represents Function COMPENSATED VOLUME Compensated Volume Displays non compensated volume that has been corrected to standard conditions NON COMPENSATED VOLUME Non Compensated Volume...

Страница 9: ...e Temperature Displays base temperature as entered by the user BASE P Base Pressure Displays base pressure as entered by the user PRESS FA Fixed Pressure Factor Displays the fixed pressure factor NCVOLFLT Non Compensated volume under fault Displays non compensated volume that has accumulated since a fault occurred 4 1 3 Data Display Screen and Icons Data displays in digital format as shown in Figu...

Страница 10: ...ion or initial operation of the meter immediately notify your Dresser meter supplier Note Do not attempt repairs or adjustments Doing so might void all claims for warranty When reporting a suspected problem complete the following steps 1 Provide the following information to your Customer Service Representative Purchase order number and or sales order number Product model serial number and or bill ...

Страница 11: ...ther non corrosive gases at constant or varying flow rates The Dresser 10C25 meter has excellent rangeability and is capable of accurately measuring small pilot loads Contact your Dresser meter supplier for a list of approved gases or additional performance details 6 1 1 Installation Size Considerations Verify that the selected installation location provides sufficient space for the meter Figure 6...

Страница 12: ...ont View Figure 7 10C25 Meter Size Specifications Top Inlet Orientation vertical 6 1 2 Environmental Considerations The meter s temperature operating range is from 40 F to 140 F 40 C to 60 C Verify that the location where the meter is installed allows the temperature of the meter to remain within this range Ensure the meter can remain level within 1 16 inch per foot 5 mm m in any direction side to...

Страница 13: ...CAUTION To avoid accumulation of condensate and foreign materials in the metering chamber do not install the meter lower than the discharge pipe run Use a screen or strainer upstream of the meter to remove liquids and foreign matter pipe sealant tape weld slag etc from the gas stream A 60 mesh screen is recommended Do not install a lubricated gas valve directly before a meter excess valve lubrican...

Страница 14: ...o safely handle product and equipment without causing bodily strain Also verify proper ventilation is in place to maintain a breathable atmosphere 6 1 5 Installation Recommendations Follow your company guidelines and industry accepted practices In addition Verify protective devices are in place to prevent personal injury and damage to vehicles and equipment in areas of reduced visibility such as n...

Страница 15: ...ent binding 4 Check the orientation of the meter with a level The meter must be level within 1 16 inch per foot 5mm m in any direction side to side front to back 7 Meter Startup After proper installation and leveling of the meter as described in Section 6 perform the following steps to start up the meter 1 Slowly open the meter inlet valve just enough to allow gas into the meter This gas flow allo...

Страница 16: ...y slowly open the inlet valve until a full line flow is passing through the meter and the inlet valve is fully open 8 Slowly close the bypass valve 9 After the meter is pressurized follow your company s authorized procedures or common industry practices to leak test the meter and all pipe connections Soapy water Snoop or gas analyzers are commonly used for this procedure The meter also incorporate...

Страница 17: ...d the magnet on the black dot for five 5 seconds until LKTST RUN displays Figure 12 and then remove the magnet The leak test process begins Figure 12 Leak Test Run LKTST RUN LCD screen The meter uses a preconfigured test sequence to run the leak test based on acceptable flow volume limits and time duration Use the Dresser MeterWare software to change these parameters The default is a maximum flow ...

Страница 18: ...connected to the USB extension cable For more information refer to Appendix A With the Dresser MeterWare software you can adjust the test parameters and run the leak test refer to Figure 16 After the leak test process completes PASS or FAIL displays on the screen refer to Figure 17 and on the meter as described in Section 8 2 For more information about running a leak test by using the Dresser Mete...

Страница 19: ...nnect the wires from the AMR cable to the pulse output connector cable Gel caps are commonly used to connect the wires Follow the wiring instructions based on your desired pulse output configuration refer to Section 10 Contact your AMR provider to verify you have the correct wiring configuration Figure 18 Example of gel caps 9 1 2 Mounting an AMR Device to the Meter Tip Remove the digital index fr...

Страница 20: ...cable into the pulse output connector Note Trim the AMR cable to the correct length prior to connecting it refer to Section 9 1 1 If needed remove the cover over the pulse output connector 5 Align the mounting holes on the AMR device with the holes on the top AMR mounting bracket Note The design of the top AMR mounting bracket may differ from the one shown in Figure 21 Figure 21 Align AMR device w...

Страница 21: ...the screws Refer to the AMR provider installation information for torque requirements Figure 22 Attach the AMR to the top AMR mounting bracket 7 Carefully tuck the AMR cable inside the opening of the base AMR mounting bracket Figure 23 Tuck wires into base of AMR mounting bracket CAUTION To prevent damage to the wires and gel caps do not overpack the wires They are stiff You could break the wires ...

Страница 22: ...cket Figure 24 Slide on the top AMR mounting bracket 9 Verify there are no gaps or wires between the top and base AMR mounting brackets Figure 25 Check for gap between the top and base AMR mounting brackets 10 Insert the screws into position to attach the top AMR mounting bracket to the back of the digital index and tighten the screws to a maximum torque of 18 inch pounds Figure 26 Attach top AMR ...

Страница 23: ... the pulse output connector until it locks into place Figure 28 Push the AMR cable into the pulse output connector 2 Align the remote AMR mounting bracket over the holes on the top of the digital index This bracket helps prevent removal of the AMR cable 3 Insert the screws into position and turn them until they touch the cover 4 Tighten the screws to a maximum torque of 18 inch pounds 5 Install ta...

Страница 24: ...m signals only The pulse output cable plugs into the pulse output connector on the digital index refer to Section 9 This method requires connecting to the meter by using the IR infrared communication cable The IrDA cable refers to the IR dongle connected to the USB extension cable refer to Appendix A 10 1 Pulse Output Allocation Settings and Testing In the Dresser MeterWare software pulse output a...

Страница 25: ...een For more information about configuring and testing pulse outputs refer to the Dresser MeterWare Software Manual Figure 31 Test Pulse Outputs on the Advanced screen 10 2 Wiring Instructions for Hazardous Locations To maintain compliance with CSA certification use a suitable Intrinsic Safety barrier for a Class 1 Division 1 hazardous area for groups A B C and D Do not exceed the following input ...

Страница 26: ...ocument and after verifications of their compatibility with the zone of intended use and the permitted maximum ambient temperature Installed put into service and maintained by properly licensed and trained professionals who have undergone suitable training for instrumentation used in areas with potentially explosive atmospheres Table 4 10C25 AMR Pulse Output Locations Top Only Top and Bottom Botto...

Страница 27: ...sser Model 10C25 Series K Installation Operation and Maintenance Manual 2018 Natural Gas Solutions North America LLC Page 27 of 74 Figure 32 Wiring diagram for hazardous locations top configuration type A ...

Страница 28: ...efer to the Dresser MeterWare Software Manual 11 2 Volume Measurement 11 2 1 Imperial or Metric Measurement Options Use the Dresser MeterWare software to configure the following parameters of the LCD screen Volumetric Units Temperature Fahrenheit or Celsius Fixed Pressure Factor psi or kPa 11 2 2 Volume Detection Volume from the 10C25 meter is detected with a volume input board This volume input b...

Страница 29: ...arameters on the LCD are updated every thirty 30 seconds 11 2 5 Pulse Output Frequency Volume pulses are provided in real time Form A outputs are configurable by Volume per pulse Pulse width Imperial or metric The Form B fault alarm pulse output is not configurable and provides a 500 ms pulse every thirty 30 seconds when a fault or alarm is present 11 3 Temperature Measurement The ambient temperat...

Страница 30: ...ous but it is based on the average flow rate of the last thirty 30 seconds of the saved uncorrected volume data Because the meter updates and stores the data collected every thirty 30 seconds there is a slight delay in the timing of the displayed results ranging from 1 to 29 seconds until the results are updated again 11 5 Faults and Alarms 11 5 1 Fault Types A fault indicates a problem with the m...

Страница 31: ...otices When a fault or alarm is active the LCD screen displays a caution symbol Figure 33 Figure 33 Fault alarm on LCD screen To view the fault or alarm type that has occurred use the magnet to scroll through the LCD screens until a fault or alarm screen displays refer to Table 8 and Table 9 To clear a fault or alarm on the meter LCD screen after the problem has been resolved perform the following...

Страница 32: ... and alarms display on the Live Data screen When a fault or alarm is present the value displays highlighted in red refer to Figure 34 Figure 34 Live Data screen displaying alarms To clear an existing fault or alarm with MeterWare connect the meter to the Dresser MeterWare software and clear the items in the Faults Alarms screen refer to Figure 35 Figure 35 Faults Alarms screen in Dresser MeterWare...

Страница 33: ...ke the other two 2 pulse outputs Pulse Output 3 is a dedicated Form B Normally Closed switch and is configured for a 500 ms pulse There are only two settings for the pulse output When a fault of any kind is present The pulse outputs for Compensated and Non Compensated Volume do not pulse out Any pulse output configured to be a fault pulse functions as an alarm fault pulse output If an alarm is pre...

Страница 34: ... ready for use as soon as power is restored The configuration is also stored in the non volatile memory and is not lost if the main battery fails Data Logs are continually stored in the memory on an hourly basis Data log parameters include Log Number Occurred Fault Temperature Log Date Time Occurred Fault Volume Compensated Volume ft3 or m3 Occurred Fault Internal Operation Non compensated Volume ...

Страница 35: ...hanges recorded in the Audit Log include Parameters that have changed Date and time the change occurred Old value New value Parameters captured in the Audit Log include Meter Type Pulse Output 1 Meter Size Pulse Output 2 Revolution Unit volume Pulse Output 3 Flow Sense Pulse Output 1 Selected Temperature Units Pulse Output 2 Selected Base Temperature Pulse Output 3 Selected Temperature Mode Teleme...

Страница 36: ...ropyl alcohol If there is any evidence of dirt or dust in the meter body perform the following steps 1 Windmill the impellers at a speed less than maximum capacity by injecting controlled compressed air from a nozzle into the meter inlet 2 While the impellers are turning flush approximately five 5 ounces 150 ml of an approved safe solvent through the meter 3 Use compressed air to completely dry th...

Страница 37: ...as needed 2 Remove screws that attach the digital index to the meter Figure 36 Remove the screws that attach the digital index to the meter 3 Gently pull the digital index forward to remove it from the meter Figure 37 Remove the digital index 4 If needed remove and unplug the temperature probe from the connector on the digital index Note Unplugging the temperature probe generates a temperature fau...

Страница 38: ...gital index onto the meter in the desired orientation according to the meter inlet Figure 38 Back of digital index to show inlet connections Figure 39 Top inlet orientation Figure 40 Side inlet orientation 3 Insert screws that attach the digital index to the meter Tighten the screws to a maximum torque of 20 inch pounds Tip To ensure a uniform fit alternate tightening the screws around the meter c...

Страница 39: ...he unused temperature probe connector Figure 42 Temperature probe installation on digital index 5 Replace the digital index as described in Section 12 4 3 6 Clear the temperature fault T FLT by using the LCD screen or the Dresser MeterWare software refer to Section 11 5 7 If needed perform the single point calibration process for the temperature probe with the MeterWare software refer to the Dress...

Страница 40: ... replace the sealed lithium battery pack in the digital index Replace the gasket to maintain the seal Table 11 Battery Replacement Parts Table Part Description Part Number 5 32 inch Allen wrench Adjustable torque wrench driver Lithium battery pack 060416 000 Gasket 060309 000 Magnet or part of the Communications Kit 060541 000 WARNING All local codes shall be maintained during installation Batteri...

Страница 41: ... meter s LCD screen to BATT CHNG Hold the magnet on the dot for approximately five 5 seconds The meter saves the compensated volume the non compensated volume and the non compensated volume under fault in its non volatile memory while the battery is changed Figure 43 Select BATT CHNG LCD screen When the information has been saved CHNG RDY displays on the LCD screen The meter is now ready for the b...

Страница 42: ...h America LLC Page 42 of 74 4 Gently pull the digital index cover to remove it Note Wires attach from the digital index cover to the housing Figure 46 Remove the index cover 5 Tilt the battery pack from the top and pull the battery pack outwards to remove the battery Figure 47 Pull the battery pack outwards ...

Страница 43: ...battery from the main circuit board 8 Reconnect the connector on the cable from Step 6 to the cable on the new battery pack Figure 48 Disconnect reconnect the wiring connector 9 With the cable facing out gently push the new battery pack into position CAUTION To prevent crimping and wire damage verify the battery cable is in the channel refer to Figure 50 Figure 49 Battery pack cable channel Figure...

Страница 44: ...he digital index cover without disconnecting the wires Figure 51 Remove the gasket 11 Place and align a new gasket onto the digital index housing The gasket should lie flat CAUTION To ensure a proper fit and seal verify the gasket is installed with the raised face side of the gasket fitting into the groove around the edge of the base refer to Figure 54 Figure 52 Closeup of gasket raised face side ...

Страница 45: ...years This can be verified by scrolling to the REM LIFE LCD screen and viewing its value it should display 240MONTH Figure 56 The battery is installed correctly 15 Insert the four 4 screws into position and turn them until they touch the cover 16 Tighten the screws in a cross pattern to a maximum torque of 20 inch pounds 17 Install tamper evident devices as applicable Figure 57 Insert and tighten ...

Страница 46: ... meter s condition by comparing the meter s performance to previous or original performance records Differential testing is accepted by many state regulatory agencies as a means of periodically substantiating that the original accuracy of a meter has not changed The 10C25 meter provides upstream and downstream ports for differential testing as well as the capability of displaying the gas flow rate...

Страница 47: ...omize LCD to open the LCD Settings screen Figure 59 Click Customize LCD in Dresser MeterWare 3 On the LCD Settings screen select Compensated Prove Mode Non Compensated Prove Mode or both 4 Click OK to return to the Configuration screen Figure 60 Select the appropriate prove mode in Dresser MeterWare Note Settings highlighted in yellow have not yet been uploaded to the meter ...

Страница 48: ... the following steps on the meter s LCD screen 1 Swipe the magnet across the black dot on the meter until the screen displays PROV C V and then stop swiping Figure 62 PROV C V LCD screen 2 After five 5 seconds the display changes to PROVE I C V Figure 63 PROVE I C V LCD screen 3 Hold the magnet on the black dot for approximately five 5 seconds until the display changes to PRVE_CO R The meter is no...

Страница 49: ... V LCD screen 4 To exit Prove Mode hold the magnet on the black dot for five 5 seconds Note The unit will automatically exit prove testing mode in thirty 30 minutes 13 2 Proving with the Honeywell SNAP Prover Note If using a Dresser supplied test fixture verify the SNAP leak test feature has been disabled 13 2 1 Configuring SNAP Prover with Legacy Software Platforms 1 Log into the prover system as...

Страница 50: ...S SAVED displays in the blue caption box If this caption does not display the meter file was not saved Retry Step 5 until the meter test file saves 7 When you exit the test setup screen verify the meter test file is listed in the OTHER manufacturer category 8 You can now install the meter on the test bench refer to Section 13 2 3 9 Exit to the test screen and continue the normal process for runnin...

Страница 51: ...en 800 Rate Check 80 Rate Other 400 Revs Open 4 Revs Check 2 Revs Other 3 Exercise Revs 2 Jog Rate 100 Revs Unit Volume 1 Max Diff Set Point 0 5 Tolerances Pos 1 Tolerances NEG 1 Slope 1 1 Repair 2 Meter Size 10C 5 After updating every field with the correct data click SAVE SPECS 6 Verify the caption SPECS SAVED displays in the blue caption box If this caption does not display the meter file was n...

Страница 52: ... on the prover 2 Install the IrDA test cable from the prover to the meter Slide the black box into the adapter for the IrDA slot on the bottom of the digital index 3 After the cable is connected to the meter connect the other end to the optical outlet port J4 on the prover This port is a keyed 9 pin connector that can only be installed in one orientation Figure 68 Optical sensor port J4 with conne...

Страница 53: ...rover display screen to enable the PRESS CLAMP BUTTONS button 3 Click PRESS CLAMP BUTTONS to start the test Press both clamp buttons at the same time to lower the arms to the meter 4 Place the meter into the Compensated Prove mode refer to Section 13 1 1 After the meter is in prove mode the red light changes from flashing to solid The meter test is ready to start 5 After the meter tests complete p...

Страница 54: ...4 Proving with Dresser Model 5 Transfer Prover To use the Dresser Model 5 Transfer Prover connect the IrDA cable to establish a connection with the meter and then configure the Model 5 Prover software Table 14 Prover Parts Table Part Description Part Number Prover Cable 060673 000 Prover Interface Holder 060658 000 Magnet or part of Communications Kit 060541 000 13 4 1 Establish IrDA Prover Cable ...

Страница 55: ...er capacity Using the provided values allows for a test lasting a minimum of the Factory recommended thirty 30 seconds If your Model 5 Prover is not equipped with a 2M master meter you will not be able to test below 100 cfh In this case the minimum flow rate for testing a meter rated at 1000 cfh is 100 cfh Use a minimum of two 2 pulses with a minimum test volume of two 2 cubic feet Click the Start...

Страница 56: ...ume 1 2 inch w c 0 1000 cfh 10 10 2 2 Table 16 Prover Test Configuration Screen Settings Data Field Setting Notes Prover software configuration settings Power Capacity Select 10 M 10 000 cfh 283 2 m3 h For flow rates above 100 cfh Select 2M 2 300 cfh 65 1 m3 h master meter For flow rates under 35 cfh and 100 cfh if the prover is equipped with this option This setting allows for testing a meter rat...

Страница 57: ...PPT and other fields automatically populate based on the information provided in the Prover software configuration settings group 1 14 Differential Testing Only a change in the internal resistance of a meter can affect its accuracy Any increase in the resistance to flow increases the pressure drop between the inlet and the outlet of the meter which increases the differential pressure drop This is ...

Страница 58: ...Figure 76 Differential curves change as pressure increases To help with record keeping a data chart like the one shown in Table 17 and provided in Appendix B allows the technician to compare new test data to older data A test under actual operating conditions provides the most reliable data for future checks of a meter s operating condition This is particularly important when the line pressure is ...

Страница 59: ...tial test plugs in the pressure taps to facilitate testing Recommended Use a pressure gauge to verify pressure readings 14 2 2 Differential Test Process The meter is able to display the flow rate when it is operating at a fairly steady rate of flow refer to Section 11 4 WARNING When the meter is pressurized follow applicable safety rules and use appropriate personal protective equipment 1 Install ...

Страница 60: ... Perform one of the following steps If this test is for the baseline curve plot and save the curve for future reference If this is a subsequent test and the pressure differential compares against the baseline curve within acceptable limits return the meter to full service If the pressure differential is not within acceptable limits or has increased by 50 above the values on the baseline curve remo...

Страница 61: ...er to the Dresser MeterWare Software Manual CAUTION To prevent interruption the IrDA cable assembly must be held firmly in place while upgrading firmware revision levels If the upgrade process is interrupted the firmware in the meter will be corrupted and the meter must be returned to the Factory for reprogramming Perform the following steps to upgrade the meter s firmware 1 Connect the IrDA cable...

Страница 62: ...splays in the File name field click Open Figure 79 Select the hex firmware file to upload 5 On the Enter Password screen enter the advanced password The default password is the number zero 0 6 Click OK to begin the firmware upgrade process Clicking Cancel ends the process Figure 80 Enter advanced password On the Firmware Upgrade screen the Status box displays In Progress to indicate the upgrade pr...

Страница 63: ...3 status bars display These status bars indicate the progress of each of the three 3 steps in the process as they are completed Erasing Memory erases the current firmware in the meter Uploading to Memory uploads the new firmware into memory Verifying confirms the new firmware has been properly uploaded As each step completes the square to the right of that step changes from red to green Figure 83 ...

Страница 64: ...ized for load Use proper meter size Leak at meter bypass Check bypass and valves Meter internal friction Refer to the High differential problem possible causes and actions High differential Build up of deposits Clean meter refer to Section 12 3 Worn bearings or sleeves Replace or return to the Dresser Product Service Department Impellers rubbing headplates meter out of time Rotate impellers manual...

Страница 65: ... F 40 C to 60 C Gas Application Clean non corrosive dry gas Display Display Type LCD with 10 mm digits Capacity Registration 5 6 7 or 8 digits Screens 20 user selectable Screen Scrolling Magnetic switch Temperature Measurement System Electronic Index Type Extremely Stable Class A PT 1000 RTD Range 40 F to 140 F 40 C to 60 C Total Ambient Temperature Effect Less than 0 1 F 0 05 C over entire temper...

Страница 66: ...er interface box Black and White flag Two 2 minute proving time Flow Detection White Flow Indicator Uncorrected Prover Testing White flow indicator on most provers Communication Optical Reading Port Requirements Optical probe Dresser MeterWare software data downloads programming firmware upgrades Pulse Type Two 2 user selectable Form A Outputs Output Representation Compensated Non compensated Faul...

Страница 67: ... A B C D T3C Dust Moisture Ingress Protection IP66 to IP68 dependent upon connector configurations Table 19 Temperature Accuracy Temperature Range Measurement Accuracy 40 F to 32 F 40 C to 0 C 0 4 F 0 2 C 32 F to 140 F 0 C to 60 C 0 5 F 0 3 C 18 Meter Capacity Capacity of the 10C25 meter is not affected by specific gravity Table 20 Meter Capacity Operating Pressure Base Rating cfh Corrected Capaci...

Страница 68: ...peration and Maintenance Manual 2018 Natural Gas Solutions North America LLC Page 68 of 74 19 Warranty Contact the Factory for the latest revision of Terms and Conditions for Sale of Products and Services For more information refer to Section 5 ...

Страница 69: ...tware installed Dresser Communications Kit which includes the parts listed in Table 21 Table 21 Communications Kit Contents Item Part Purpose 1 USB extension cable Connects the IR dongle USB connector to the computer s USB port 2 Magnet Initializes and scrolls through LCD screens on the unit 3 IR dongle with USB connection Communicates with the IR window on the unit 4 IrDA cable holders Aligns the...

Страница 70: ...orrect IrDA cable holder into the cable holder slot on the meter 4 Insert the IR dongle into the IrDA cable holder to align it with the IR window on the meter refer to the following figures Figure 86 Location for holder installation Figure 87 Proper installation of the IrDA cable A 3 Establish Connection with MeterWare Perform the following steps to be able to transmit information between the Dres...

Страница 71: ...s area at the bottom of the screen as the MeterWare software finds the meter The text changes from Searching to In Range in yellow and then changes to Ready to Connect in green when it is successful If it cannot connect verify that the IrDA cable is properly connected and positioned 6 Click Connect A green progress bar displays during the process Figure 90 Welcome screen ready to connect If connec...

Страница 72: ...eration and Maintenance Manual 2018 Natural Gas Solutions North America LLC Page 72 of 74 Differential Rate Test Data Chart The following page shows a data chart that can be used for keeping a detailed history of a meter s differential rate tests ...

Страница 73: ...el Mfg Serial No Utility Serial No Location Date Installed Register Reading Line Pressure Gas Temp Specific Gravity Volume Measured Run Time Rate ft3 Differential Pressure Date Tester w c Change Initial Tests New Meter Periodic Check Tests ...

Страница 74: ...ll rights reserved Natural Gas Solutions reserves the right to make changes in specifications and features shown herein or discontinue the product described at any time without notice or obligation Contact your Dresser Natural Gas Solutions representative for the most current information The Dresser Logo and all Trademarks containing the term Dresser are the property of Dresser LLC a subsidiary of...

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