46, Jalan Seri Austin 3/55,
Taman Seri Austin,
81100 Johor Bahru,
Johor, Malaysia.
+607-2870393
EC Instruments & Engineering Sdn Bhd
46, Jalan Seri Austin 3/55,
Taman Seri Austin,
81100 Johor Bahru,
Johor, Malaysia.
46, Jalan Seri Austin 3/55,
Taman Seri Austin,
81100 Johor Bahru,
Johor, Malaysia.
EC Instruments & Engineering
Pte Ltd
Pte Ltd
6, Penjuru Place,
#01-31,2-8 Penjuru Tech Hub,
Singapore 608781.
#01-31,2-8 Penjuru Tech Hub,
Singapore 608781.
+65-96312280
Ipoh Office
29, Laluan Bg Perdana 20, Taman Batu Gajah Perdana, 31550 Pusing, Perak, Malaysia.
Hygro Module HM80
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with Polyga® measuring element
scale range 30...100%rh
OEM duct version
version with two changeover contacts available (HM80-2)
The hygro module HM80 is a humidity-dependent switch that can be fitted in equipment such as hygrostats, humidifiers, dehumidifiers, ventilating fans, driers and many more. The module represents an on-off controller with changeover contact. The switch connection is via a connecting terminal, but can also be supplied ready-made with cable connections. Several versions of different lengths are available as a shaft. Protection of the module is of the IP00 type.
scale range 30...100%rh
OEM duct version
version with two changeover contacts available (HM80-2)
The hygro module HM80 is a humidity-dependent switch that can be fitted in equipment such as hygrostats, humidifiers, dehumidifiers, ventilating fans, driers and many more. The module represents an on-off controller with changeover contact. The switch connection is via a connecting terminal, but can also be supplied ready-made with cable connections. Several versions of different lengths are available as a shaft. Protection of the module is of the IP00 type.
Technical data
Control range
40...90 % RH
Accuracy at > 50 % RH
Accuracy at < 50 % RH
Influence of temperature
Accuracy at < 50 % RH
Influence of temperature
≤ ±3.5 % RH
≤ ±4 % RH
-0.2 % RH / K
based on 20 °C and 50 % RH
≤ ±4 % RH
-0.2 % RH / K
based on 20 °C and 50 % RH
Silver contact
Ohmic load
Inductive load (power factor >0,8)
Direct voltage
Ohmic load
Inductive load (power factor >0,8)
Direct voltage
Breaking capacity, alternating current
15 A / 250 V AC
2 A / 250 V AC
0.25 A / 250 V DC
0.5 A / 125 V DC
Breaking capacity, min. load 100 mA
15 A / 250 V AC
2 A / 250 V AC
0.25 A / 250 V DC
0.5 A / 125 V DC
Breaking capacity, min. load 100 mA
Gold contact
Breaking capacity 15 A / 250 V AC
Breaking capacity, min. load 1 mA
Breaking capacity, min. load 1 mA
Maintenance-free
The measuring element is maintenance-free in pure ambient air