PTH PRESSURE TRANSMITTER
CALIBRATION
D - 6
Bench Calibration
This procedure applies to PTH pressure transmitters configured for
either
ANALOG
or
DIGITAL
. Any differences between the two are
noted in the
column.
Key
Display
Comments
This operation will cause a change in output not cor-
responding to the input. Be sure the control loop is in
manual.
Select
YES
.
Select
BENCH CALIB
.
If the transmitter is configured for digital operation,
the
D-TO-A ADJUST
selection would not appear.
Enter the low calibration pressure value and press
. Enter the high calibration pressure value.
Apply the low calibration pressure to the input of
transmitter as specified earlier.
Apply the high calibration pressure to the input of
transmitter as specified earlier.
C A LI-
B R AT E
OUTPUT WILL BE
AFFECTED! PROCEED?
NO
→
YES
E N T E R
CALIBRATION
D-TO-A ADJUST
→
BENCH CALIB.
REZERO
E N T E R
LOW CALIB PRESSURE
nn.nn UNITS
HIGH CALIB PRESSURE
nn.nn UNITS
ENTER
E N T E R
APPLY PRESSURE OF
nn.nn UNITS
THEN HIT ENTER
E N T E R
APPLY PRESSURE OF
nn.nn UNITS
THEN HIT ENTER