Yamatake Corporation Operation of the Transmitter
ST3000 Smart Transmitter Series 900 Electronic Differential Pressure/Pressure Transmitter 5-27
Introducing process pressure
Step Description
1 Open the main valve (Refer to "Figure 4-16 Closed Tank -- Piping (Wet-
leg Sealing Example)".) to introduce process fluid into the connecting
pipe.
2 Gradually open the low pressure side stop valve to introduce process fluid.
After introducing process fluid into the pressure receiving part of the
transmitter, close the low pressure side stop valve.
3 Make sure that the connecting pipe, the 3-way manifold valve, and the
transmitter have no pressure leaks.
(Equalizer valve)
High-pressure side
Low-pressure side
Low-pressure side
stop valve
3-way manifold valve
Vent / Drain plug
( )