General Procedures
Release 3
34-ST-25-20 MC Toolkit User Manual
27
9/06
Input Calibration (De Transmitters) - Correct Input (Zero), LRV, URV; Reset Corrects
Call up
Calibration
display
Navigate to the
DE
Calibration
display as
follows.
Select
Back
(go to
DE Main
Menu
), then select the
Calibration
button.
Correct
Input at
Zero
Select
Corr. Input (zero)
.
This message appears.
NOTE:
The PV Input (Zero) refers
to a known standard such
as zero pressure (e.g.: vent
both sides of a DP
transmitter).
As indicated below, this procedure will shift the slope up
or down to eliminate the error at the zero reference. The
slope (angle) of the response is unchanged.
`
Select
Yes
in the message box
above; this message appears.
At this point, ensure that the
value
of the PV applied at the
input
is exactly Zero.
Then, select the
OK
button in the popup message.
This action sends the Correct Input (Zero) command to the
transmitter, which adjusts the input calculation.
Wait until this message
appears.
When the transmitter has
completed the Zero
Correction, this message
appears.
Select the
OK
button to
acknowledge.
