Yamatake Corporation Operation of the Transmitter
ST3000 Smart Transmitter Series 900 Electronic Differential Pressure/Pressure Transmitter 5-23
5-3-3-2 Starting Measurement
Procedure
Operate the valves with this procedure, to apply the differential pressure of the process
to the transmitter. Display the measured value using operating the SFC.
How to apply process pressure
Zero-point adjustment during measurement
Refer to "5-8 : Zero-point Adjustment -- Based on Actual Liquid Level" to adjust the
zero point during measurement.
Step Description
1 Check that the 3-way manifold valve is in the following state:
1. High-pressure side stop valve: Fully closed
2. Low-pressure side stop valve: Fully open
3. Equalizer valve: Fully closed
2 1. Open the high-pressure side stop valve gradually.
(Equalizer valve)
High-pressure side
Low-pressure side
Low-pressure side
stop valve
3-way manifold valve
Vent / Drain plug
( )
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