User Unit Select - Meriam Instrument M2 Series User Manual

M2 Series

User Unit Select

Engineering units not included in the standard selection can be
programmed into the manometer using the Units Select register in
the program mode. The value programmed into this register is
used to calculate the desired unit of measure. An example of
converting to "Feet of H2O" will be shown in the following steps,
using the conversation factor of 1 PSI = 2.30894 FT H2O.
Keystroke
1. Press the PRGM key.
2. Press the PRGM key.
3. Press the up or down
arrow key until "USER
UNIT SELECT" is
displayed.
4. Press the PRGM key.
See note 1 at bottom of
this table.
5. Press the PRGM key to
change the value.
6. Start entering the
conversion factor by
pressing the up arrow key
until the first digit reads 2.
7. Press the right arrow
key to enter the value "2"
and advance the cursor to
the next digit.
8. Repeat step 6 and 7
until bottom line reads
2.30894
9. If an error is made use
the left arrow key to move
the cursor back to the
incorrect digit. Then press
up or down arrow keys to
www.meriam.com
page 7 of 31
Instruction Manual 9R000045-A
APR2007
Display
Top line reads "PROGRAM
MODE" and bottom line reads
"UNITS SELECT".
Top line reads "UNITS
SELECT" and bottom line shows
current engineering units.
Top line reads "UNITS
SELECT"
Bottom line reads "USER UNIT
SELECT".
Top line reads "VALUE=".
Bottom line reads "CHANGE?:
YES".
Top line reads "USER UNIT
VALUE".
Top line reads "USER UNIT
VALUE".
Bottom line reads "20000000".
Cursor flashes to the right of the
"2". Now numbers, decimal
point or blank space can be
entered.
Bottom line reads "2.30894".
Last digit "4" is blinking.
The digit that is corrected is
blinking.