Overview of probes - HM70

1

Probe filter

2

Calibration mode activation button under the screw in the probe handle

Table 1. HMP75, HMP76, and HMP77 probe features

Probe model	Overview
HMP75	Basic probe for relative humidity and temperature measurement. Preheat and chemical purge options available with model HMP75B.
HMP76	Rugged probe with a long stainless steel shaft. Preheat and chemical purge options available with model HMP76B.
HMP77	Cable probe for industrial processes up to +180 °C (+356 °F). Preheat and chemical purge options available with model HMP77B.