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PTS PRESSURE TRANSMITTER
CALIBRATION
F - 6
WBPEEUI110501A0
Bench Calibration
This procedure applies to PTS pressure transmitters configured for either
ANALOG
or
DIGITAL
. Any difference between the two are noted in the
Comments
column.
Key
Display
Comments
Select
BENCH CALIB
.
If configured digitally, 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 transmit-
ter as specified earlier.
Apply the high calibration pressure to the input of trans-
mitter as specified earlier.
Adjust transmitter output using the up and down arrow
keys. If configured digitally this adjust display does not
appear.
NOTE:
When increasing or decreasing the mA signal, the
increments of change increase with successive depressions
until the maximum level of change is reached. By chang-
ing direction the smallest increment of change returns.
This technique speeds up the adjustment process without
affecting fine adjustment.
CALI-
BRATE
OUTPUT WILL BE
AFFECTED!
PROCEED?
NO
→
YES
ENTER
CALIBRATION
D-TO-A ADJUST
→
BENCH CALIB.
REZERO
ENTER
LOW CALIB PRES
nn.nn units
HIGH CALIB PRES
nn.nn units
ENTER
ENTER
APPLY PRESSURE
OF
nn.nn UNITS
THEN HIT ENTER
ENTER
APPLY PRESSURE
OF
nn.nn UNITS
THEN HIT ENTER
ENTER
ADJUST TO 4 mA
THEN HIT ENTER