Allrounder-Transmitter for Semi Industrial & Industrial Applications (FK80J)

Humidity Sensors FK80J; Humidity-Temperature Sensors TFK80J

The sensors of the FK Series are very robust humidity and temperature sensors, providing highly accurate measurements across the entire measuring range. They are available in duct mount and indoor versions, and their excellent measuring characteristics have made them some of the best-selling items for semi-industrial and industrial applications.


  • For measuring relative humidity and temperature
  • For semi-industrial and industrial applications
  • Operating temperature up to +80 °C
  • Humidity measuring range 0…100% rh
  • With voltage or current output signal: 0…1 V, 0…10V, 4…20 mA
  • Duct-version
  • Accuracy: Humidity ± 2 %rh 40…60 %rh (otherwise 2.5 %rh) Temperature ± 0.2 K with voltage ± 0.3 K with current