The personnel installing, operating, and maintaining HMT370EX
transmitters must have the required competencies for working in the hazardous
location, as defined by the applicable standards.
CAUTION!
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.
3.6.2 Guidelines for safe use in hazardous conditions
HMT370EX Series parts overview
HMT370EX
1 2 31a
M20x1.5 M20x1.5
Figure 13 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 13 (page 45) shows the main parts.
1
Probe heads (for variant descriptions, see HMT370EX User Guide)
1a Probe head filters
2 Probe body
3 Transmitter body
Chapter 3 – HMT370EX regional safety certification information
45
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