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 ÃÀ¹ú Meriam M201 ÐýתʽúÆø±í²âÊÔÒǵÄÏêϸ½éÉÜThe new Measure Mode lets the M201 be used as a conventional differential pressure measurement device. Users will appreciate the live pressure display as they check the handheld’s zero or observe DP across rotary gas meters. And when a £ärop test is made, the M201 uses an internal stop watch to measure the test length. The user only has to start £ánd stop the test; the M201 reports both the test time £ánd the average differential pressure measured during the test. Toggle the Min/Max key to see the minimum £ánd maximum DP measured during the test.Meriam’s M201 has new features to make £ärop testing Rotary £¨Natural£© Gas Meters even easier! New hardware options protect the M201 from one sided overpressure. Options include a ¼ turn valve manifold £ánd an integral push-to-read cartridge valve in addition to the traditional push-to-read valve manifold. More importantly, new operating features provide users with a live pressure display £ánd more automation to make field use easier than ever before.With hundreds of original M201s at work in the field, Meriam recognizes that some customers will want to continue using the legacy software to stay consistent within their company. The new M201 includes a Mode Selection menu option for Legacy or Enhanced modes – the users chooses which mode is best for them!Rotary Gas Meter Tester M201 AdvantagesAccuracyDN0028: ±0.1% FS 0-28”DN0200: ±0.05% FS 0-200”No temperature effect from 23º to 122ºF £¨-5º to +50ºC£©.Engineering UnitsInches of H2O £¨£óelect 4ºC, 20ºC, or 60ºF£©, PSI, mm of Hg, inches of Hg, mBars, Bars, kPa, kg/cm2, cm of H2O £ánd user selectable scaling.Media CompatibilityDN: Non-isolated differential sensor for clean, dry, non-corrosive gases.Field Re-calThe M201 can be recalibrated in the field for zero, span, £ánd linearity. The user has the option to £óelect a 1 point or 5 point calibration procedure. Enables users with accurate primary standards to calibrate their devices locally if desired.Pressure LimitsTwice range on Differential £¨DN£© units when pressurized on high side only £ánd 150 PSI £¨10.5 Kg/cm2£© static when applied to both sides of the sensor simultaneously.Min/Max CaptureCapture speed is 10X per second.OperationEnchanced - A push-to-read or 1/4 valve assembly keeps HI £ánd LO sides equalized during connection across meter. Turn M201 "ON" to get message "Press Hold to Acquire Data." Press "Hold" key to start test. User determines test time, ending test by pressing the "Hold" key again. Display will show the test time £ánd averaged differential pressure across the meter during the test. Press the "Hold" key again to start a new test.  Legacy - A push-to-read valve keeps HI £ánd LO sides equalized during connection across meter.  Turn M201 "ON" to get message "Press Hold to Acquire Data."  Press "Hold" key to start test.  User determines test time, ending test by pressing the "Hold" key again.  Display will show the averaged differential pressure across the meter from test start to test stop.  Press the "Hold" key again to start a new test. Auto Shut-OffUser selectable shut-off. Programmable at 10, 20, 30, 45, 60 minutes £ánd disable.Ordering InformationModel Number & DescriptionM201 £¨specify pressure range£© Rotary Gas Meter Tester £¨only available with DN0028 or DN0200 sensor range£©Specify valve type: PTR £¨Push-to-Read Assembly£©                             IPTR £¨Integral Push-to-Read Valve£©                             QTV £¨1/4 Turn Valve Assembly£©All Models Include• Protective Red Boot• 4 AA Alkaline batteries• Hard copy user’s manualOrder Options Z9A000069                Hard Carrying Case Z9P000108                 Hard Carrying Case with Vacuum Pump Z9P000109                 Hard Carrying Case with Pressure Pump ZA34386                    Connector Kit ZA900016-90727       Pete’s Plug Adapter Kit Y 1/8” Needle ZA900016-90733       Pete’s Plug Adapter Kit Y 1/16” NeedleZA36853                    Push-to-Read ManifoldZ9A000001                Integral Push-to-Read ValveZ9A156                      1/4 Turn Valve ManifoldThe digital display eliminates parallax errors, £ánd depending on the range of the gauge, it can have a resolution of 0.01 or 0.001” H2O. A min/max feature also allows the user to see the minimum £ánd maximum pressures recorded during the test. The unit is portable, £ánd with the integral push to read manifold, the M201 Rotary Gas Meter Tester can safely be used with lines having a static pressure of up to 150 PSIG.