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Resistive humidity sensor SHS-A4L

Product no.: SHOP 0381 0002

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This humidity sensor SHS-A4L is a resistive dew sensor with miniaturized dimensions for detecting the beginning of condensation.

Weight: 0.0114 kg
1 pc 5,80 €
Delivery will be effected within 2-3 working days with receipt of payment.
Dew sensor
Humidity measuring principle
resistive humidity sensor
Humidity measuring range
0...100% RH
Application temperature
0...+60 °C
Ceramic substrate
Nominal resistance
at 60% RH: 0.73 kΩ, at 80% RH: 1.7 kΩ, at 90% RH: 6.8 kΩ, at 94% RH: 39.3 kΩ, at 98% RH: 819 kΩ
Max. evaluation
<0.8 V AC/DC
2 SIL contacts, RM 2.54 mm x 10 mm
(LxWxH) 7x5.1x0.6 mm
0.0114 kg

Unwanted dew formation or adverse effects of condensation on cooling systems, pipes and technical devices can cause extensive damage, should you not react in time. It is especially for this quickly recognition of considerable risk of condensation, or already existing condense water that this special SHS series of resisitve dew sensors has been developed. The dew sensor is installed on the object.

Due to the low tolerance impedance characteristic of the SHS-A4L it is possible to defined exactly the switching point close to the dew point, without adjustment of the circuit.

Areas of application include:

  • Control cabinets
  • Cooling ceilings
  • Shop display windows
  • Humidor devices
  • Submersible pumps and other objects, which have to be protected against dew formation.


In need of an individualized solution for an easy installation? B+B Thermo-Technik GmbH creates individual system solutions within the field of humidity sensor technology. Just contact us!


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