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Yamatake Corporation
ST3000 Smart Transmitter Series 900 Electronic Differential Pressure/Pressure Transmitter
5-35
5-4-1-3 Stopping Measurement
Procedure
Stop the operation of the transmitter by this procedure:
CAUTION
When a long-term shutdown is planned, completely drain all process fluid from the
connecting pipe and from the pressure receiving part of transmitter.
Step
Description
1
Turn OFF the transmitter.
2
Close the local valve.
3
Close the main valve. (Refer to Figure 4-12)
Vent / Drain plug
High-pressure side
Local valve