Meriam M202 Precision Absolute Manometer - Manual (Page 27)

M2 Series Instruction Manual 9R68-A
Mar, 2008
www.meriam.com
page 27 of 36
RE-CALIBRATION – 1 Point EDIT and START
To perform a 1-point re-calibration, apply a pressure between 50%
and 100% of Full Scale and then follow these steps:
Keystroke Display
1. With unit OFF, press and
hold the MIN/MAX key,
turn the unit on by pressing
the ON/OFF key, then
release MIN/MAX. Top line reads “RE-CAL”.
Bottom line reads “EDIT”.
2. Press the up arrow key
until “START” is displayed
on the bottom line. Top line reads “RE-CAL”.
Bottom line reads “START”.
3. Press the PRGM key. Top line reads “RE-CAL
START”.
Bottom line reads “1-POINT”.
4. Press the PRGM key. Top line reads “CAL POINT”
and bottom line displays the
cal point value.
5. Press the up/down arrow
keys to edit the selected
digit. Use the left/right arrow
keys to change the cursor
position. Value entered must
be 50-100% of FS. Bottom line displays the cal
point value. The cursor flashes
at the first position while the
value is changed, then moves
to the right position when the
right arrow key is pressed.
6. Press the right arrow key
while on the right most digit
to proceed. Top line reads “APPLY:”
Bottom line displays the “CAL
POINT” value.
7. Apply the input pressure
indicated using an
appropriate reference
standard; press PRGM key. Top line reads “RE-CAL”.
Bottom line reads “START”,
Manometer has been
recalibrated.
8. Press the left arrow key. Returns to Measure Mode