Humidity > Humidity sensors

Vaisala HMD42 - Duct mounted 4-20mA output temperature and humidity transmitter/sensor - Discontinued, please see HMD82

 

Downloadable instructions:

General Description

Vaisala HMD42 is a duct mounted combined temperature and humdity transmitter which gives a 4-20mA output for commercial HVAC systems.

The robust IP65 (NEMA4) rated metal enclosure and stainless steel probe allow installation into harsh environments.

(For wall mounted see HMW82)

Operating temperature range -20/60 Deg. C
Operating humidity range 0/100%

Supply Voltage 10-28VDC

Supplied in 7 days.