Product Overview: MERIAM M201 Rotary Gas Meter Tester
MERIAM M201 Rotary Gas Meter Tester
The M201 Rotary Gas Meter Tester is specially programmed to measure the differential pressure, and display the true average of those measurements. The amount of time over which the averaging occurs is controlled by the user. This feature addresses the flow surge and pulsation concerns.
The digital display eliminates parallax errors, and 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 and maximum pressures recorded during the test. The unit is portable, and 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.
Rotary Gas Meter Tester M201 Advantages
Accuracy
DN0028: ±0.1% FS 0-28”
DN0200: ±0.05% FS 0-200”
No temperature effect from 23º to 122ºF (-5º to +50ºC).
Engineering Units
Inches of H2O (select 4ºC, 20ºC, or 60ºF), PSI, mm of Hg, inches of Hg, mBars, Bars, kPa, kg/
cm2, cm of H2O and user selectable scaling.
Media Compatibility
DN: Non-isolated differential sensor for clean, dry, non-corrosive gases.
Field Re-cal
The M201 can be recalibrated in the field for zero, span, and linearity. The user has the option to select a 1 point or 5 point calibration procedure. Enables users with accurate primary standards to calibrate their devices locally if desired.
Pressure Limits
Twice range on Differential (DN) units when pressurized on high side only and 150 PSI (10.5 Kg/cm2) static when applied to both sides of the sensor simultaneously.
Min/Max Capture
Capture speed is 10X per second.
MERIAM M201 Rotary Gas Meter Tester
Ordering Information
Model Number & Description
M201 (specify pressure range) Rotary Gas Meter Tester (only available with DN0028 or DN0200 sensor range
and includes integral push to read valve assembly)
All Models Include
• Protective Red Boot
• 4 AA Alkaline batteries
• Hard copy user’s manual
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