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TN4FCXA2
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Slowly open the isolation valve on the LP side.
Use a local indicator, a multimeter or the FXW (HHC) to check the operation of the transmitter.
5.3 Deactivation
Proceed as follows to turn off the service.
Open
Close
Slowly close the isolation valve.
The transmitter is out of service.
(1) Effective (FKG) or absolute (FKA) pressure transmitters:
Verification of operation