Meriam M201 Rotary Gas Meter Tester - Manual (Page 10)

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page 10 of 10
Addendum No. 9R124-IR
June, 2010
6. Upon completion of use / test, release the PTR or IPTR valve,
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
Legacy
Displays
NEW Enhanced
Displays
Select Legacy
or Enhanced
Mode
Measure
Mode
Test Mode –
Acquire
Data
Test
Results
Display
Test Results
"Min/Max"
Display
Test Min/Max above, Ave. DP below
Average DP Displayed
No DP Display, no timer
No Measure Mode, only Standby…
Test Min/Max above, Ave. DP below
Standby with Live DP Display
Live DP display, internal stop watch
Test Period & Average DP Displayed