Electronic thermohygrostat HG 125
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Electronic thermohygrostat HG 125

Humidity/temperature-based device control in operating environments from -30 °C even at very low humidity values

The HG 125 comes with two configurable switching contacts (RH/temp.) and enables electronic control even at very low humidity values in operating environments from -30 °C.

An external climate sensor continuously records temperature and humidity values at the measuring spot at a distance of up to 5 m, which are indicated in turns on the digital display of the HG 125.

The thermohygrostat is designed for direct connection to Trotec dehumidifiers with DIN socket for 7-pin plugs. If intending to use the hygrostat with 4-pin DIN socket Trotec dehumidifiers, the optionally available adapter transformer will be required in addition.

The thermohygrostat can also be used for combined heating with all Trotec devices which have a 7-pin DIN socket for connection, such as the multi air handlers TAC XT 18 and TAC XT 27. These devices can be temperature-controlled for decentralised room air heating via existing ventilation systems or textile air distributors using the HG 125.

A few practical benefits:

  • Two configurable switching contacts for temperature and humidity
  • Climate sensor for temperature and humidity with 5 m cable length
  • 7-pin DIN plug with 5 m cable
  • Setpoints programmable from 5 to 95 % RH for humidity control and from -35 °C to +80 °C for temperature control

HG 125
HG 125
HG 125
HG 125
HG 125


Elektronischer Thermohygrostat HG 125 im Trotec Webshop zeigen

Elektronischer Thermohygrostat HG 125

Der elektronische Thermohygrostat HG 125 verfügt über zwei konfigurierbare Schaltkontakte (r.F. / Temp.) und ermöglicht die Steuerung auch sehr niedriger Feuchtewerte in Einsatzumgebungen ab -30 °C. Der HG 125 eignet sich für alle Entfeuchter der TTR-Serie mit 7-Pol-DIN-Buchse für Externschaltungen.

Technical data

Technical data
General information
  Article number
Measuring range
  Min. measuring range [% r.F.] 0
  Max. measuring range [% r.F.] 100
  Min. measuring range [°C] -30
  Max. measuring range [°C] 100
Measurement accuracy
  +/- RH [%] 3
Recommended operating range
  min. [% r.F.]
  max. [% r.F.]
Ambient temperature
  min. [°C] -30
  max. [°C] 80
Electrical values
  Voltage [V] 230
  Max. switching load [A] 5
Electric connection
  Cable length [m] 5
Safety feature
  Type of protection IP20

 standard equipment

 optionally available

 not available



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