User Unit Select - Meriam Instrument M2 User Manual

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 H O" will be shown in the following steps, using
2
the conversation factor of 1 PSI = 2.30894 FT H
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
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.
8
O.
2