Hygroflex5 – EX – HF5 – EX – Two – Channel Transmitter


The new HygroFlex5-EX series is the latest development in two-channel transmitters for the exact measurement of humidity and temperature in explosive atmospheres. This device conforms to the latest international standards. The HF5-EX series consists of a robust aluminium transmitter with or without display. The attached probes are cast into a stainless steel tube, and are certified for operation in Zone 0/20. The transmitter itself is certified for Zone 1/21.


  • Measurement of relative humidity and temperature, optional output of dew pointsand other calculated parameter
  • Safe operation in areas with explosion risk
  • Intrinsically safe probes
  • Interchangeable stainless steel probes
  • Robust aluminium housing

Download the Datasheet (PDF)