Vaisala HMT370EX User Manual

Document code Description
M212704EN HMT370EX Multilingual Installation and Safety Guide (languages:
English and Chinese)
M212717EN HMT370EX Multilingual Installation and Safety Guide (languages:
English and Korean)
M212733EN HMT370EX Installation and Safety Guide (language: English, for US
FM certification).
M212707EN HMT370EX Installation and Safety Guide (language: English, for
US/CAN MET certification).
M212752EN HMT370EX Installation and Safety Guide (language: English, for UK/
UKEX certification).
1.3 Documentation conventions
Warning alerts you to a serious hazard. If you do not read and
follow instructions carefully at this point, there is a risk of injury or even death.
WARNING!
Caution warns you of a potential hazard. If you do not read and
follow instructions carefully at this point, the product could be damaged or
important data could be lost.
CAUTION!
Note highlights important information on using the product.
1.4 Trademarks
Vaisalaâ and HUMICAPâ are registered trademarks of Vaisala Oyj.
All other product or company names that may be mentioned in this publication are trade
names, trademarks, or registered trademarks of their respective owners.
HMT370EX User Guide M212305EN-B
10

Vaisala HMT370EX Specifications

General

Humidity Measurement Range	0 ... 100 %RH
Protection Class	IP65
Explosion Proof Certification	ATEX, IECEx
Intrinsically Safe	Yes
Measurement Parameters	Humidity, Temperature
Humidity Accuracy	±1 %RH (0 ... 90 %RH) ±1.7 %RH (90 ... 100 %RH)
Temperature Accuracy	±0.2 °C
Output Signals	4...20 mA
Operating Temperature Range	-40 to +60 °C
Housing Material	Stainless steel