HMT370EX Series transmitters are certified for use in hazardous areas as defined by the
following classifications:
Table 11 HMT370EX Series hazardous area classifications
Certification HMT370EX classification
IECEx (international
certification)
II 1 G Ex ia IIC T4 Ga
II 1 D Ex ia IIIC T
200
85 °C Da
-40 °C ≤ T
amb
≤ +60 °C
CML (Japan) Ex ia IIC T4 Ga
Ex ia IIIC T
200
85°C Da
CML 21JPN2417X
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.
Chapter 3 – HMT370EX regional safety certification information
27
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