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Condensation detector to prevent the buildung of condensed water

  • to monitor the formation of condensed water
  • with Polyga® humidity measuring element

General information

breaking capacity max. 250VAC 
The hygrostat module on PCB with Polyga® measuring element is arranged on a base plate so that the measuring element is in an immediate proximity to the base plate.
Protected by the housing, relative humidity near to dew point can form inside. The base plate is adjacent to the cooling pipe and transfers the cold to the measuring element.
The set point can be set inside and has to be adapted to the local conditions. The microswitch of the hygro module switches a changeover contact potential-free. The FAS 250VAC does not require a supply voltage resp. auxiliary energy.

Technical data

Technical Data
scale range 30...100%rh
range of operation 35...95%rh
measuring element Polyga®-measuring element,
water resistent
measuring accuracy +/-3.0%rh
switch changeover contact
switching difference (microswitch)
refering to 50%rh approx. 4%rh
breaking capacity 250 V
humidify 3 (0.2) A
dehumidify 5 (0.2) A
breaking capacity, min 100mA, 20 DC / AC
medium temp. coefficient -0.2%/K ref. to 20°C and 50%rh
allowable air speed 15m/sec
scale range +10 ... +60° C
measuring element thermobimetal
switch changeover contact
switching difference approx. 1 K
breaking capacity 250 V
heating 10 (4) A
cooling 5 (2) A
breaking capacity, min
heating and cooling 1 (1) A
General Data
operating voltage 24 or 250 V AC
50 / 60 Hz

Do you have questions on this product?

Your contact person:

Badger Meter Swiss AG
Mittelholzerstrasse 8
CH-3006 Bern