Vaisala HMT370EX - Guidelines for Safe Use in Hazardous Conditions; Figure 18 HMT370 EX Parts Overview

For information on the standards that apply to using HMT370EX based on the classification of
the device, see HMT370EX certification documentation and the declarations of conformity
related to HMT370EX at www.vaisala.com/declarationofconformity.
3.8.2 Guidelines for safe use in hazardous conditions
HMT370EX Series parts overview
HMT370EX
1 2 31a
M20x1.5 M20x1.5
Figure 18 HMT370EX parts overview
HMT370EX Series transmitters consist of 3 main parts: the transmitter body, a detachable
probe body, and a probe head attached to the probe body, either directly or using a cable.
Figure 18 (page 57) shows the main parts.
1
Probe heads (for variant descriptions, see HMT370EX User Guide)
1a Probe head filters
2 Probe body
3 Transmitter body
The dierent probe head variants are designed for a range of applications, and have their own
specifications. Ensure that the transmitter body, probe body, and probe head are each placed
in an environment that matches the specification of the part. For allowed ambient temperature
ranges, see Table 27 (page 58).
Chapter 3 – HMT370EX regional safety certification information
57