6-43
NOTE
If zero is the desired low value, do not use the dead weight tester.
Instead, enter zero as the trim value, select the units, then select Ok.
c. Wait for the Measured Value to stabilize, then select Ok to
display the Sensor Slope Trim Screen.
4. Trim Differential Pressure Slope (span).
a. Using the dead-weight tester, apply the desired high pressure
to the high side of the transmitter.
b. Wait for the Measured Value to stabilize, then select Ok.
5. Trim Process Temperature Offset (zero).
a. Select P
rocess Temp then select Offset & Slope Trim. Set
Offset Trim Poin
t and units, set Slope Trim Point and units,
then select T
rim to display the “Sensor Offset Trim” screen.
b. Insert the RTD probe into an ice bath, wait for the Measured
Value to stabilize, then select Ok to display the Sensor Slope
Trim screen.
6. Trim Process Temperature Slope (span).
a. Insert the RTD probe into a hot oil bath.
b. Wait for the Measured Value to stabilize, then select Ok.
Sensor Trim Procedure (For Field Calibration)
To correct mounting position effects, field calibrate the Mass ProPlate
after installation:
1. Establish communications (see page 6-5).
2. Perform a Trim DP Offset (zero).
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