Chapter 2. Taking Measurements
Model PM880 Portable Hygrometer User’s Manual 21
Chapter 2. Taking Measurements
The PM880 hygrometer is part of a measurement system that includes the
electronics, cable, probe and optional sample system. Once the electronics
are properly programmed, you must connect the sample system and probes
to begin taking measurements. This chapter discusses the steps needed to
begin taking basic measurements.
Note: Refer to Appendix A, Measurement Considerations, for more
information on selecting measurement sites and sample system
construction.
• Installing the Probe in a Sample System
• Connecting the Sample System to the Process
• Connecting the Probe to the Electronics
• Recalling a Site File
• Operating the Sample System
• Conducting a Leak Test
• Shutting Down the Sample System
2.1 Installing the Probe in a Sample System
Moisture probes are installed into a portable sample system. The sample
system protects the probes from coming into contact with damaging
elements in the process.
CAUTION! If you are mounting the moisture probes directly into the
process line, you must consult the factory for proper
installation instructions and precautions.
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