3-13
Chapter 3 Starting and Stopping this Device
(3) Stopping Operation
(i) Stopping operation of the device
To stop operation of the device, carry out the following procedure.
Procedure
(1) Turn off the power to the device.
(2) Close the manual master valve.
Gas Vent Plugs
Open to Atmosphere
Drain Valve
Manual
Master Valve
(3) Close the master valve (See Figure 2-36).
(ii) Cautions for stopping device operation
• If operation will be stopped for a long period of time, remove the process fluid from inside
the connecting pipes and the pressure-receiving part of the device. The process fluid might,
for example, adhere to the surface of the diaphragm and impede measurement when
operation resumes.
• Leave the equalizer valve open. If it is left closed, output of other than zero can occur when the
power is turned on to restart operation.
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