Are you visiting from outside your region? Visit your regional site for more relevant services and pricing.

Airflow Lufttechnik TH 1-7-31

Contact Instrument Solutions

Airflow Lufttechnik TH 1-7-31 electronic drum thermohygrograph with x3 chart pens and x60 7 day charts


A rotating drum thermo-hygrograph with clear cover for easy viewing of the chart used for the recording of temperature & relative humidity. Selectable chart periods of either 24hrs, 7 days or 31 days. (Dependant upon paper charts fitted). Split chart enables separate traces for temperature & humidity.

The unit comes complete with two purple chart pens and 60 sheets of 7 day paper.


  • Split chart gives two separate traces for temperature and humidity
  • Clear case for easy viewing of entire chart without removing cover
  • Selectable rotational speed from an accurate quartz movement


Temperature measuring range - 5 to 55 °C

Relative humidity measuring range 0 to 100 % rh