testo 625 - Thermohygrometer

SKU: 5631625

Sale price£218.91 inc VAT


              • Measures air temperature and relative humidity

              • Calculates dew point and wet bulb temperature

              • Displays min and max values, hold function, power off mode

              • Integrated longlife moisture meter for long lasting quality

              The testo 625 thermohygrometer comes into its own in all situations where the right indoor climate is crucial, for example in archives, storerooms, greeenhouses and buildings. The testo 625 also calculates the dew point and wet bulb temperature quickly and accurately.

      Product Description


      The testo 625 compact thermohygrometer has a connectable humidity sensor which measures the air temperature and relative humidity. It can also calculate the dew point and wet bulb temperature.
      The meter is equipped with a large, easy-to-read, backlit display, a hold function which allows you to freeze the last reading and min and max readings that can be displayed at the touch of a key.
      In addition, the testo 625 has a battery-friendly power off mode and a longlife moisture sensor to ensure the best possible results for years to come.

      Wide range of accessories for even more features

      The testo 625 thermohygrometer is equipped with all the basic functions. You may, however, wish to individualize your thermohygrometer with one of the following accessories:
      • Wireless hand grip: connect the humidity sensor to the wireless hand grip (optional) and equip your thermohygrometer with the wireless module (optional) to carry out wireless measurements. The measurements can be transmitted wireless from the sensor to the meter over a distance of up to 20 meters (in the open).
      • Protection against dirt and shock: a carry case (optional) ensures that your meter and the sensors are safely stored away when not in use. The durable TopSafe protective case protects your meter effectively against dirt ingress and impact.

      Areas of application for the testo 625 thermohygrometer

      Ideal for monitoring production and storage conditions to ensure the quality of your products and for ensuring the right climate in archives and libraries. Excellent for detecting mould or locating places which are at risk in buildings. Ensures that the right indoor climate is maintained in greenhouses and the workplace.

      Delivery Scope

      testo 625 thermohygrometer, connectable humidity sensor head, calibration protocol, batteries.

      Technical Data

      Temperature - NTC

      Measuring range

      -10 to +60 °C


      ±0.5 °C


      0.1 °C

      Temperature - TC Type K (NiCr-Ni)

      Measuring range

      -200 to +1370 °C


      See probe data


      0.1 °C

      Radio probe

      Humidity - Capacitive

      Measuring range

      0 to 100 %RH


      ±2.5 %RH (5 to 95 %RH)


      0.1 %RH

      General technical data


      182 x 64 x 40 mm

      Operating temperature

      -20 to +50 °C



      Battery type

      9V block battery, 6F22

      Battery life

      70 h (without radio operation)

      Storage temperature

      -40 to +70 °C


      195 g

BrandTESTO (CAT 100)

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