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with Polyga® measuring element
scale range 30...100%rh
with one or two changeover contacts (HG120 or HG120-2)
version with internal adjusting knob available (HG120i)
The humidistat type HG120 is used as an on-off controller to control the relative air humidity in climatic cabinets. It is used to control air humidifying and dehumidifying in offices and computer rooms. Other areas of use are storage of foodstuffs and luxury foods, cooling rooms for fruit and vegetables, greenhouses for gardening use, the textile industry, the paper and printing industry, the film industry and hospitals.
scale range 30...100%rh
with one or two changeover contacts (HG120 or HG120-2)
version with internal adjusting knob available (HG120i)
The humidistat type HG120 is used as an on-off controller to control the relative air humidity in climatic cabinets. It is used to control air humidifying and dehumidifying in offices and computer rooms. Other areas of use are storage of foodstuffs and luxury foods, cooling rooms for fruit and vegetables, greenhouses for gardening use, the textile industry, the paper and printing industry, the film industry and hospitals.
Technical data
Measuring element
Control range
Lifetime
Control range
Lifetime
Polyga®-fiber
40...90 % RH
>6000 switching cycles
40...90 % RH
>6000 switching cycles
Accuracy at 23 °C
Influence of temp. at 23 °C
Influence of temp. at 23 °C
≤ ±3 % RH (at 48 % RH)
≤ ± 0.2 % RH / K
≤ ± 0.2 % RH / K
Changeover contact max. 5 A
Breaking capacity max. 250 V AC
Ohmic load, dehumidification 0.1...5A
Ohmic load, humidification 0.1...2A
Inductive load 0.1...1A (power factor >0.8)
Ohmic load, dehumidification 0.1...5A
Ohmic load, humidification 0.1...2A
Inductive load 0.1...1A (power factor >0.8)
Gold contact max. 100 mA
Breaking capacity max. 250 V AC and
1...100 mA
1...100 mA
Inquiry - Room Humidistat series HG120
