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Airflow Lufttechnik TH 1-7-31

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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.

Product Features

  • Range of accessories
  • Calibration options

Instrument product options

1. Select a model (1 available)

Model subtotal: £375.00
Total (excl VAT): £375.00
Continue to select accessories

2. Select accessories (3 available)

3. Select a calibration (2 available)



  • 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


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