Pressure Sensors - GE Moisture Image Series 1 Startup Manual

June 2004
Moisture Probes (cont.)

Pressure Sensors

1-14
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Note: Standard moisture probes have a sintered stainless-steel
shield that protects the aluminum oxide sensor. Leave the
shield in place for maximum protection.
It is important to eliminate all leaks (whether in gas or liquid
applications) for safety reasons and to be sure that measurements are
not affected by ambient contamination. For gas applications, you
should check for leaks using a soap bubble solution.
IMPORTANT: Refer to the Calibration Data Sheets to connect the
probes to their corresponding channels. If a probe is
connected to the wrong channel, the meter will
display incorrect data.
If a pressure measurement is required, and for some reason the TF or
Moisture Image Series probe pressure option is not used, you can
connect a separate pressure transmitter to an auxiliary input.
The Series 1 uses any type of 0/4 to 20-mA or 0 to 2-V pressure
transducer or transmitter. GE Panametrics offers two types of
pressure transmitters: the P40 and P40X. The P40 has a 1/4-inch
threaded NPTM fitting and the P40X has a 1/2-inch threaded NPTF
fitting for mounting directly into the process line or into a sample
system.
If you are mounting the pressure transmitters directly
into the process line, you must consult GE Panametrics
for proper installation instructions and precautions.
Always mount the pressure transmitter directly downstream of the
moisture probe in order to measure the pressure at the point of the
moisture measurement.
Caution!
Installation