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Dresser
Model 10C25 Series K Meter
Installation, Operation, and Maintenance Manual
© 2018 Natural Gas Solutions North America, LLC – All Rights Reserved.

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Summary of Contents for Dresser 10C25 K Series

  • Page 1 ™ Dresser Model 10C25 Series K Meter Installation, Operation, and Maintenance Manual © 2018 Natural Gas Solutions North America, LLC – All Rights Reserved.
  • Page 2: Table Of Contents

    Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual Contents 1 Introduction ........................4 2 Overview .......................... 4 Operating Principle ........................5 Performance Characteristics ...................... 5 Features ............................5 3 Receiving, Handling, and Storage ..................6 At Time of Delivery ........................6 Storage............................
  • Page 3 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 11.6 Logging Features ........................33 12 Meter Maintenance ......................36 12.1 Meter Lubrication ........................36 12.2 Meter Leveling .......................... 36 12.3 Meter and Digital Index Cleaning ..................... 36 12.4 Digital Index Replacement ......................36 12.5...
  • Page 4: Introduction

    Innovative interconnection for AMR (automatic meter reading) devices pulse outputs including ease of mounting and IP-68 watertight connections. • A fast, two (2)-minute proving capability on Dresser Model 5 Transfer Provers and on common sonic nozzle bench provers. • Two (2) programmable pulse output signals.
  • Page 5: Operating Principle

    Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 2.1 Operating Principle The Dresser meter is designed to measure the volume of gases and gas mixtures with a high degree of accuracy. The industry accepted rotary type positive displacement operating principle supports permanent, non-adjustable accuracy by using precision machined two-lobe impellers encased within a rigid measuring chamber.
  • Page 6: Receiving, Handling, And Storage

    Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual Receiving, Handling, and Storage Follow the steps and recommendations in this section to ensure your meter and its accessories are ready for installation and use. 3.1 At Time of Delivery Perform the following steps when you receive your shipment: 1.
  • Page 7: Parts Identification

    Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual Parts Identification AMR meter bracket mounting holes 10C25 meter inlets Pulse output connector LCD screen IR window Flow Indicator (under sight glass) IrDA cable holder slot Figure 2: Parts identification 4.1 Meter Display...
  • Page 8 Note: Use the Dresser MeterWare software to 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...
  • Page 9 Data displays in digital format, as shown in Figure 4. Figure 4: Data display screen Icons display depending on the function or parameter and how the meter is configured in the Dresser MeterWare software. For icon descriptions, refer to Table 3.
  • Page 10: Flow Indicator

    2. Pack all returns in the original shipping container or similar, if available, and use shipping material that protects the product from damage during transit. 3. Contact your Dresser meter supplier to obtain an RMA (Return Materials Authorization) number. The Dresser Product Services Department offers professional services for all Dresser Meters and Instruments products.
  • Page 11: Meter Installation

    Dresser meters are designed for continuously measuring and indicating accurate measurement of clean, dry natural gas and other 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.
  • Page 12 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual Top Inlet Orientation–Side View Top Inlet Orientation–Top View Top Inlet Orientation–Front 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.
  • Page 13 Figure 9: Side inlet (horizontal) Figure 8: Top inlet (vertical) The line mounted Dresser 10C25 meter can be installed in either a top inlet (vertical), a side inlet (horizontal), or a bottom inlet (vertical) configuration. A top inlet in a vertical pipe line with gas flow downward is the preferred or recommended installation.
  • Page 14: Placing Meter In Line

    Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 6.1.4 Safety Considerations WARNING To reduce the risk of severe injury or death, follow your company guidelines and industry accepted practices. Other safety considerations are provided below: • This equipment is designed to operate at temperatures between -40°F and 140°F (-40°C to 60°C).
  • Page 15: Meter Startup

    Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual b. If needed, change the orientation of the digital index for the configuration (vertical or horizontal) in which the meter will be installed. For more information, refer to Section 12.4.
  • Page 16: Downstream Leak Tests

    Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 5. Let the meter operate at low speed for several minutes. Listen closely for unusual scraping or knocking sounds: • If unusual sounds are present, go to Step 6. •...
  • Page 17: Flow Indicator Method

    For more information about the Flow Indicator, refer to Section 4.2. 8.2 Electronic Method – Magnetic Interface If the LEAKTEST screen is not available, use the Dresser MeterWare software to enable this test feature on the meter. For information about enabling this feature, refer to the Dresser MeterWare Software Manual.
  • Page 18: Electronic Method - Meterware Interface

    IR dongle 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).
  • Page 19: Amr Installation

    Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual AMR Installation Perform the following steps to install an AMR (automatic meter reading) device, if applicable. 9.1.1 Preparing the AMR Cable 1. To allow for installation options, the provided AMR cable usually needs to be trimmed to the correct length.
  • Page 20 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 4. Push the AMR cable into the pulse output connector until it locks into place. Figure 20: Push the AMR 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).
  • Page 21 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 6. From the front of the AMR device, insert the screws into position, and tighten the screws. Refer to the AMR provider installation information for torque requirements. Figure 22: Attach the AMR to the top AMR mounting bracket 7.
  • Page 22 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 8. Tilt and slide the top AMR mounting bracket over the tabs of the base AMR mounting bracket. 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.
  • Page 23 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 11. Install the digital index onto the meter if it was removed prior to AMR mounting (refer to Section 12.4.3). 12. Install tamper evident devices, as applicable. Figure 27: Attach digital index to meter 9.1.3 Using a Remote-Mounted AMR...
  • Page 24: Pulse Output Connections

    This section provides information about connecting the pulse outputs with the meter and configuring them with the Dresser MeterWare software. Each Dresser 10C25 meter comes standard with two (2) flow frequency pulse outputs (Pulse Outputs 1 and 2) that represent volumetric information for remote data collection. Pulse Outputs 1 and 2 can be configured for faults and alarm signals.
  • Page 25: Wiring Instructions For Hazardous Locations

    Compensated and Non-Compensated Volume test pulses is the pulse width specified on the Volume Configuration screen. 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...
  • Page 26 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual WARNING Products certified as intrinsically safe installations shall be: • Installed, put into service, used, and maintained in compliance with national and local regulations and in accordance with the recommendations contained in the relevant standards concerning potentially explosive atmospheres.
  • Page 27 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual Figure 32: Wiring diagram for hazardous locations (top configuration type A) © 2018 Natural Gas Solutions North America, LLC Page 27 of 74...
  • Page 28: Meter Operation

    This section provides information about using and configuring the meter. 11.1 MeterWare Software Information The Dresser MeterWare software can be installed on your computer to configure the meter, download its logged data, and update the meter’s firmware. An infrared cable using the IrDA protocol enables the MeterWare software to communicate with the meter (refer to Appendix A).
  • Page 29: Temperature Measurement

    Note: The Factory default method for volume accumulation is Forward plus (+) Reverse to  allow for mounting in either flow direction and to prevent ‘rollback’ of the volume count. For information about changing the accumulation method, refer to the Dresser MeterWare Software Manual. 11.2.3 Volume Sample Frequency Volume is sampled every thirty (30) seconds.
  • Page 30: Flow Rate Measurement

    You can configure the units of measure (°F or °C) and the reference base temperature by using the Dresser MeterWare software. For ease of calibration, you can use the Dresser MeterWare software to perform a single point temperature field calibration.
  • Page 31 Note: This process does not clear a current fault or alarm if the issue that triggered it has  not been resolved. It also does not update the values in the Live Data screen in the Dresser MeterWare software. For a battery-related fault or alarm, refer to Section 11.5.5.
  • Page 32 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).
  • Page 33: Logging Features

    Form A fault/alarm pulses can be configured to either send a single latched pulse or a continuous pulse string when they occur (refer to the Dresser MeterWare Software Manual). A pulse output is provided every thirty (30) seconds when a fault or alarm is present. The pulse width is selectable as 50, 150, or 250 ms.
  • Page 34 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 11.6.1 Data Logs The meter records Data Logs hourly and maintains 150 days of hourly logs stored on a FIFO (first in/first out) basis. The Data Logging feature is not configurable.
  • Page 35 The Audit Log is saved as a CSV (comma-separated values) file for easy import into spreadsheets, such as Microsoft Excel. Download the Audit Log by using the Logging screen in the Dresser MeterWare software. For more information, refer to the Dresser MeterWare Software Manual.
  • Page 36: Meter Maintenance

    Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 12 Meter Maintenance Perform the following steps as needed to help keep your meter functioning properly. 12.1 Meter Lubrication No lubrication is required. This meter incorporates permanently lubricated bearings and gears.
  • Page 37 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 12.4.2 Digital Index Removal Perform the following steps to remove the digital index from the meter: 1. Remove tamper evident devices, as needed. 2. Remove screws that attach the digital index to the meter.
  • Page 38 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 12.4.3 Digital Index Installation Perform the following steps to install the digital index onto the meter: 1. If needed, insert the temperature probe (refer to Section 12.5). 2. Insert the digital index onto the meter in the desired orientation according to the meter inlet.
  • Page 39: Temperature Probe Insertion Or Replacement

    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 Dresser MeterWare Software Manual).
  • Page 40 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual  Note: Check remaining months of battery life by accessing the REM LIFE LCD screen. 12.6.1 Low Battery Indication The meter monitors the state of the battery pack and generates a low battery alarm or fault before the batteries are discharged.
  • Page 41 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 1. To reduce the amount of time the meter does not have battery power and help retain stored settings, have the replacement sealed lithium battery pack easily accessible before removing the current battery pack.
  • Page 42 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 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.
  • Page 43 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 6. Locate the connector on the cable attached to the battery. 7. Gently pull the connector to disconnect the old battery from the main circuit board. 8. Reconnect the connector on the cable from Step 6 to the cable on the new battery pack.
  • Page 44 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 10. Lift the gasket and remove it around the digital index cover by holding the gasket by the short side and moving it over the cover. The gasket can be maneuvered around the digital index cover without disconnecting the wires.
  • Page 45: Removing The Meter From Service

    Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 12. Carefully tuck the wires inside the digital index housing. 13. Carefully replace the digital index cover. CAUTION To prevent damage to the wires and the seal, be careful not to pinch any of the Figure 55: Tuck in all wires and replace the wires in between the cover.
  • Page 46: Testing Procedure

    Dresser MeterWare software, refer to the Dresser MeterWare Software Manual. If the meter is already configured for testing, skip the steps in this section. Perform the following steps to configure the meter for prover test mode in the Dresser MeterWare software: 1.
  • Page 47 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 2. On the Configuration screen, click Customize 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.
  • Page 48 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 5. On the Configuration screen, click Upload to unit to upload the setting changes to the meter and clear the highlighting. Figure 61: Click Upload to unit. 6. Select the appropriate prove mode on the LCD screen on the meter (refer to Section 13.1.1 or Section 13.1.2).
  • Page 49: Proving With The Honeywell Snap Prover

    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.
  • Page 50 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual Table 12 shows an example of the type of data listed in each field. Table 12: Example Honeywell SNAP Prover Data Fields with Legacy Platforms Field Example Data Meter Name...
  • Page 51 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 3. Verify you are in the Other category in the Mfr Type area on the upper part of the screen. Click ADD METER. 4. Fill in every box with data. The MMX prover leaves information in each box, so change the areas that require updates.
  • Page 52 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 13.2.3 Installation of Meter on Bench 1. Install the meter on the prover table, and adjust the meter arms to fit the appropriate height and width of the meter. On the SNAP prover, extensions are required for the meter connections because of the shorter height of the meter.
  • Page 53: Testing Modes

    Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 13.3 Testing Modes The following sections explain the testing modes for the meter. The meter can test both the compensated and non-compensated accuracy with the IrDA prover cable. 13.3.1 Testing Compensated Accuracy To test the compensated accuracy of the meter, perform the following steps: 1.
  • Page 54: Proving With Dresser Model 5 Transfer Prover

    5. After the meter tests complete, press ACCEPT to save the meter test results. 13.4 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.
  • Page 55 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 3. Attach the cable connector of the IrDA to the ID Pulser connection port on the Prover field meter junction box. Figure 72: IrDA connected to the meter and Model 5 Prover 4.
  • Page 56 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual ❷ TC Options ❶ Prover software configuration settings ❸ Flow rate and test points ❹ Prover test start Figure 74: Prover configuration screen The following tables provide information about filling in the data fields.
  • Page 57: Differential Testing

    Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual Data Field Setting Notes Test Control Mode Select Optical Scanner. Meter Output Select Temperature Correction. Pulses/Test (PPT) Select Other. In the small box to the right, select pulses per test based on Table 15.
  • Page 58: Establishing Baseline Curves

    Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 14.1 Establishing Baseline Curves Developing an original differential baseline curve is recommended when the meter is first installed. Because any change in flow rate, line pressure, or specific gravity causes a change in the differential, at least three (3) test points are required at gas flow rates from 25% to 100% of meter capacity.
  • Page 59: Pressure Differential Test Procedure

    Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 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.
  • Page 60 14.2.4 Repair Information For Factory repairs and/or inspection, please call your Customer Service Representative or your Dresser meter supplier to request an RMA (Return Material Authorization). For more information, refer to Section © 2018 Natural Gas Solutions North America, LLC...
  • Page 61: Upgrading Digital Index Firmware

    15 Upgrading Digital Index Firmware Firmware is special software stored in the memory of the unit. Upgrade the meter’s current firmware revision by using the Dresser MeterWare software and the IrDA cable assembly included in the Communications Kit. For more information about Dresser MeterWare, refer to the Dresser MeterWare Software Manual.
  • Page 62 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 3. On the Open screen, select the appropriate .hex firmware upgrade file to upload to the meter. 4. When the file name displays in the File name field, click Open.
  • Page 63 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual The software searches for the BootLoader on the meter, which is necessary to upgrade the firmware. When the BootLoader is detected, the Status text at the bottom of the screen changes from Searching to Device in range highlighted in yellow.
  • Page 64: Troubleshooting

    Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 16 Troubleshooting Problem Item Possible Cause Suggested Action No flow registered Check piping and valves to ensure Obstruction in piping or meter there is an open flow path. Obstruction in screen or strainer Clean screen or strainer.
  • Page 65: Specifications

    Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 17 Specifications Table 18: Meter Specifications Criteria Specification Model number 10C25 Meter Physical Side Inlet Orientation: 9.04” (L) x 6.625” (W) x 5.03” (H) Overall Dimensions Top Inlet Orientation: 9.04” (L) x 5.71” (W) x 6.70” (H)
  • Page 66 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual Criteria Specification Power Battery Pack Lithium Thionyl Chloride Pack with protective circuitry Voltage Range 3.0 to 3.7 V DC Nominal Battery Life 20 years Battery Access Field replaceable Battery Life Remaining Indicated...
  • Page 67: Meter Capacity

    Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual Criteria Specification Fault • Fault Conditions Temperature • Volume • Low battery • Internal operation Regulatory Standards • Regulatory Standards ANSI, B109.3, LMB-EG-09E • OIML, MID, EN1359 • EN 60529 for IP66 to IP68 •...
  • Page 68: Warranty

    Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 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. © 2018 Natural Gas Solutions North America, LLC...
  • Page 69 The following equipment is needed to perform the steps in this section. Contact Customer Service to request these parts or assistance: • Dresser MeterWare software installed • Dresser™ Communications Kit, which includes the parts listed in Table 21 Table 21: Communications Kit Contents Item Part Purpose USB extension cable Connects the IR dongle USB connector to the computer’s USB port...
  • Page 70 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 Dresser MeterWare software and the meter: 1. Connect the IrDA cable from the computer to the meter (refer to Section A.2).
  • Page 71 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 3. On the Welcome screen, note the revision number and release date of the MeterWare software. Figure 89: Welcome screen – verify software revision 4. If needed, wake up the meter by swiping the magnet vertically across the black dot by the LCD screen (refer to Figure 3).
  • Page 72 Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual 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. © 2018 Natural Gas Solutions North America, LLC...
  • Page 73 Differential – Rate Test Data Meter Model: Mfg. Serial No.: Utility Serial No.: Location: Date Installed: Register Reading: Differential Pressure Line Specific Volume Rate (ft Date Tester Pressure Temp Gravity Measured Time w.c. % Change Initial Tests – New Meter Periodic Check Tests...
  • Page 74 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 Baker Hughes, a GE Company.

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