Flow Unit Select - Meriam M2 Series User Manual

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M2 Series
Instruction Manual 9R000045-A
display the correct value.
10. Press the PRGM key Top line reads "VALUE=".
until the display changes. Bottom line reads "CHANGE?:
See note 1 at bottom of YES".
this table.
11. Press the PRGM key. Top line reads "USER UNIT
NAME".
12. Follow steps 6-8 Bottom line reads "FT H2O".
above to enter "FT H2O". Last letter "O" is blinking.
13. Press the PRGM key. Top line reads "PROGRAM
MODE".
Bottom line reads "UNITS
SELECT".
14. Press the down arrow Bottom line reads "EXIT".
key.
15. Press the PRGM key. Manometer returns to Measure
Mode. Units Display shows "FT
H2O".
Note 1: If at steps 4 or 10 the "VALUE=" is the desired value,
press the up or down arrow key. This will toggle the bottom line
from the default "CHANGE?: YES" to "CHANGE?: NO". Step 5
would then jump to step 10. Step 11 would then jump to step 13.

Flow Unit Select

Smart Manometers that use differential pressure sensors can be
programmed to read out flow measurement units such as CFM or
L/min. The primary element must be a differential pressure
producing, square root type of device, such as a pitot tube, orifice
plate or venturi.
The flow constant and flow units description are programmed into
the manometer using the same keystrokes used in the User Unit
Select programming. At step 3 choose "FLOW UNIT SELECT"
instead of "USER UNIT SELECT".
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APR2007