M201 Rotary Gas Meter Tester
Contents
1. connected and pressure is equalized If not re zero the M201 buy simultaneously pressing the Min Max and Hold keys 5 To make differential pressure measurements with PTR and IPTR options manually depress and hold the push to read valve To make differential pressure measurements with QTR option manually move the turn valve to the closed position a meriam process technologics www meriam com a page 9 of 10 a Set Feta company Addendum No 9R124 IR June 2010 Legacy Mode Running a Drop Test The M201 Legacy mode operates the same as the original M201 from Meriam did Legacy mode provides the user with less information than Enhanced mode does No live pressure readings are displayed either prior to or during the test Upon test completion the display shows only the average differential pressure over the test period To run a Legacy Mode drop test on a rotary natural gas meter follow the steps below 1 Turn unit on using Reads Press Hold to Acquire the On Off key Unit Data powers on ready to start a drop test 2 Press the Hold key Reads Acquiring Data No to start the test values are displayed while pressure values are stored 3 Press the Hold key Reads R for result and again to stop the test XX XX Units the average Differential Pressure DP during the test period 4 Press Min Max key Top line shows Minimum and for additional test Maximum DP value over test infor2. or move the QTV valve to the equalize position to equalize pressure on the M201 sensor Then disconnect pressure lines M201 Legacy and Enhanced Comparison Table NEW Enhanced Legacy Displays Displays Select Legacy or Enhanced Mode Measure Mode No Measure Mode only Standby with Live DP Standby Test Mode Acquire Data No DP Display no timer Live DP display internal stop watch Test Results Display Average DP Displayed Test Period amp Average DP Displayed Min Max Display Test Min Max above Ave Test Min Max above Ave DP below DP below meriam process technalogita www meriam com page 10 of 10 A Beati Feia company Addendum No 9R124 IR June 2010 M201 Rotary Natural Gas Meter Tester Periodic differential pressure tests or drop tests on rotary natural gas meters are necessary to track meter condition The tests indicate changes in meter performance over time and reveal when a meter should be removed from service for repair or reconditioning Slow meters those with higher differential pressure result in under billing and therefore cost the natural gas supplier money Meriam s enhanced M201 has new features to improve its general usefulness and make Rotary Natural Gas Meter drop tests easier The new Measure Mode displays differential pressure readings while standing by for a drop test This allows users to make general DP measurements and provi
3. Addendum No 9R124 IR June 2010 Addendum to User s Manual No 9R000045 M201 Rotary Gas Meter Tester For Differential Pressure Drop Tests of Natural Gas Meters E n meriam process technologics www meriam com page 1 of 10 a company Addendum No 9R124 IR June 2010 Table of Contents M201 Rotary Natural Gas Meter Tester ee 3 User Interface Ke yS woe ccccsseccssecesssecesssesesseeeeas 4 Mode Select Enhanced or Legacy cece eee 5 Time Units Select oo ccecccsecessecsssecessecssecsssesssseeesees 6 Enhanced Mode Running a Drop TeSt 7 Legacy Mode Running a Drop TeSt ecese 8 Using the Manifold eeeeeseeresreesresrsrrrsrresresren 9 M201 Legacy and Enhanced Comparison Table 10 Notes 1 This Addendum only addresses features unique to model M201 Additional user instructions for those M201 functions common to all M2 Series Smart Manometers can be found in User s Manual No 9R000045 M2 SERIES USER MANUAL SMART MANOMETER ROTARTY GAS METER TESTER User s Manual No 9R000045 is included with M201 shipments along with Addendum No 9R124 2 Information and specifications in this document are subject to change without notice Check the Meriam web site www meriam com for latest manual revision m A merlam process technalogios www meriam com oO feet Fetar compy page 2 of 10 Addendum No 9R124 IR June 2010 6 Upon completion of use test release the PTR or IPTR valve
4. des convenient feedback on zero performance simultaneously pressing the Min Max and Hold keys takes a new zero when needed Measure Mode also lets users know when the M201 is correctly connected to a meter and ready for a test to be run When a drop test is started the enhanced M201 uses an internal stop watch to time the test period This means the technician no longer needs to time the drop test externally he only needs start a test press the Hold key from Measure Mode and then stop it press the Hold key again after one meter revolution The M201 results screen shows the test period and average DP once the test is stopped To view the minimum and maximum DP measured during the test simply press the Min Max key Toggle the Min Max key again to return to the test time and average DP results display The enhanced M201 includes a Mode Select program menu for Legacy or Enhanced modes of operation the users chooses which mode is best for them See the M201 Legacy and Enhanced Display Comparison Table on the last page of this Addendum for more information New hardware options protect the M201 from one sided overpressure Options include a 1 4 turn valve and an integral push to read cartridge valve in addition to the traditional push to read valve manifold See the Manifold Options section of this Addendum for more details a meriam process technologics www meriam com page 3 of 10 A Beati Feia co
5. e Select displayed Mode press Bottom line displays the new the A or V arrow key mode option Legacy or Enhanced 6 b To retain the Top line reads Program displayed mode press Mode Bottom line reads the Prgm key Mode Select 7 Press the lt arrow Returns to Measure Mode key a A merlam process technologies www meriam com Oo Beati Fetar compy page 5 of 10 Addendum No 9R124 IR June 2010 Time Units Select The enhanced M201 shipping since June 1 2010 includes a Time Unit Select option in the program menu for Enhanced Mode operation The user chooses either seconds or minutes as the desired time unit for the results display To the desired time unit follow the steps shown on below 1 Turn unit on using Top line reads Hold to the On Off key Test Bottom line displays live Differential Pressure value 2 Press the Prgm key Top line reads Program Mode Bottom line reads Units Select Top line reads Program key twice Mode Bottom line reads Time Units 4 Press the arrow Top line reads Time Units key Bottom line reads current mode Seconds or Minutes 5 To retain the Top line reads Program displayed time unit Mode Bottom line reads press the Prgm key Mode Select and proceed to Step 7 6 a To change the Top line reads Time Units displayed Mode press Bottom line displays the new the A or V arrow k
6. ey unit option Minutes or Seconds 6 b To retain the Top line reads Program displayed time unit Mode Bottom line reads press the Prgm key Time Units 7 Press the lt arrow Returns to Measure Mode key a A meriam process technologies www meriam com Oo Beati Fetar comperiy page 6 of 10 Addendum No 9R124 IR June 2010 Enhanced Mode Running a Drop Test The M201 Enhanced mode provides more user feedback at the display then Legacy mode does Live pressure readings are displayed prior to and during a drop test Upon test completion the display shows the test period that was used along with the average differential pressure over the test period To run an Enhanced Mode drop test on a rotary natural gas meter follow the steps below Keystroke Display 1 Turn unit on using Top line shows Hold to Test the On Off key Bottom line displays live Differential Pressure DP value 2 Press the Hold Top line shows Acquiring key to start the test Data Bottom line displays live DP value 3 Allow M201 to Top line shows Acquiring acquire test data per Data Bottom line displays user company s live DP value procedures 4 Press the Hold Top line shows the length of key again to stop the the test in seconds or minutes test Bottom line reads R for result and shows the average DP over the test period 5 Press Min Max Top line shows Minimum and key f
7. mation if desired period Bottom line reads R for result and XX XX Units the average DP over the test period 5 To start a retest Reads Acquiring Data press the Hold key Repeat Steps 3 amp 4 6 Press the lt arrow Returns to Measure Mode key a A meriam process technologies www meriam com oO Beati Fetar compy page 8 of 10 Addendum No 9R124 IR June 2010 Mode Select Enhanced or Legacy The enhanced M201 shipping since June 1 2010 includes a Mode Select option in the program menu for Legacy or Enhanced operation The user chooses which mode to use See the M201 Legacy vs Enhanced Comparison Table at the end of this manual addendum for a comparison of features and displays To configure the M201 for either Legacy or Enhance mode operation follow the steps shown on below 1 Turn unit on using Top line reads Hold to the On Off key Test Bottom line displays live Differential Pressure value 2 Press the Prgm key Top line reads Program e Units Select 3 Press the A arrow Top line reads Program Mode Bottom line reads Mode Select 4 Press the arrow Top line reads Mode Select Bottom line reads current mode Enhanced or Legacy 5 To retain the Top line reads Program displayed mode press Mode Bottom line reads the Prgm key and Mode Select proceed to Step 7 6 a To change the Top line reads Mod
8. mpany Addendum No 9R124 IR June 2010 User Interface Keys Refer to the graphic below as reference for instructions in this Addendum a meriam process technalogita www meriam com page 4 of 10 a eet et company Addendum No 9R124 IR June 2010 Using the Equalizing Manifold Options To protect the M201 s differential pressure sensor from damage due to accidental over pressure it is importand to use the M201 s equalizing manifold correctly Three options are available a Push To Read PTR valve manifold an Integral Push To Read IPTR cartridge valve and a Quarter Turn Valve QTV manifold He PTR Manifold IPTR Cartridge Valve QTV Manifold Valve is open and DP Integral valve is open and DP 4 Turn Valve is manually sensor equalized until the sensor equalized until the push opened to equalize DP sensor push button valve is button valve is depressed and closed to make readings Instructions 1 Install preferred connectors in the 1 8 NPT female connections on the M201 or M201 manifold Use Teflon tape or other suitable thread sealer 2 PTR and IPTR are normally open and the M201 sensor is equalized The QTV valve must be manually moved to the equalize position prior to connecting pressure to the M201 3 Make connections to the gas meter s HI and LO ports Be certain to observe the P1 HI and P2 LO on the M201 4 Turn M201 On Display should read zero since HI and LO sides are
9. or additional Maximum DP value over test test information if period Bottom line reads R desired for result and shows the average DP over the test period 6 To start a new New test is run test press the Hold key Repeat Steps 3 amp 4 7 Press the lt arrow Returns to Measure Mode key a A merlam process technologies www meriam com Oo Beati Fetar compy page 7 of 10
Download Pdf Manuals
Related Search