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Testo 623 Hygrometer
  • Testo 623 Hygrometer
  • Testo 623 Hygrometer
  • Testo 623 Hygrometer

Testo 623 Hygrometer

Testo Approved distributor and service company.

Includes: testo 623 thermohygrometer, batteries, calibration certificate, wall and table mount.

0560 6230
£109.65 Save 15%
Tax excluded
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The Testo 623 temperature and humidity measuring instrument shows current and past temperature and humidity values as well as date and time, simultaneously in a large, clear display. This way, you have all important values constantly in view.

The displayed curve analysis offers optimum evaluation of the measurement results of the past 90 days. The Testo 623 is thus ideal for fast on-site checks of ambient conditions without complicated analysis on a PC.


Parameters: Temperature / Humidity.
Units: °C / °F, % RH, td, wb.
Resolution: Temperature: 0.1°C, Humidity: 0.1% RH.
Measuring rate: 20 s.
Histogram shows current and past temperature or humidity values.

Testo 623 Specifications
Temperature - NTC
Measuring range -10 to +60 °C.
Accuracy ±0.4 °C.
Resolution 0.1 °C.
Humidity - Capacitive
Measuring range 0 to 100 %RH.*
Accuracy ±2 %RH at 25 °C (10 to +90 %RH)
±3 %RH Remaining Range.
Resolution 0.1 %RH.
* Not for condensing atmospheres. For continous use in high humidity (>80 %RH at ≤30°C for >12 h, >60 %RH at >30°C for 12 h), please contact us via our website.
General technical data
Dimensions 185 x 105 x 36 mm.
Operating temperature -10 to +60 °C.
Measuring rate 20 s.
Housing ABS.
Protection class IP30.
EU-/EG-guidelines 2004/108/EG.
Battery type 4 x type AA batteries.
Battery life 12 months.
Storage temperature -20 to +60 °C.
Weight 240 g (without batteries).


Testo 623 Datasheet

PDF Specifications of the Testo 623 Thermohygrometer.

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Testo 623 Hygrometer

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