Operation of the Transmitter Yamatake Corporation
5-20 ST3000 Smart Transmitter Series 900 Electronic Differential Pressure/Pressure Transmitter
5-3-2-3 Stopping Measurement
Procedure
How to stop the transmitter
CAUTION
If you plan to leave the transmitter OFF for a long period of time, completely drain
process fluid from the connecting pipe, and from the pressure receiving part.
Step Description
1 Turn off the transmitter.
2 Close the local valve.
3 Close the main valve. (Refer to "Figure 4-11 Gas Pressure Measurement -
Piping".)
Vent / Drain plug
High-pressure side
Local valve
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