Yamatake Corporation
5-22
ST3000 Smart Transmitter Series 900 Electronic Differential Pressure/Pressure Transmitter
Introducing process pressure
Step
Description
1
1. Open the main valve (refer to "Figure 4-14 Open Tank -- Piping Exam-
ple".) to introduce process pressure into the connecting pipe.
2. Open the high-pressure side stop valve gradually to introduce process
pressure. After introducing process pressure into the pressure receiving
part of the transmitter, close the high-pressure side stop valve.
2
Check for pressure leaks in the connecting pipe, the 3-way manifold
valve, and the transmitter.
(Equalizer valve)
High-pressure side
Low-pressure side
Low-pressure side
stop valve
3-way manifold valve
Vent / Drain plug
( )