Testo 623 Hygrometer


Testo Approved distributor and service company.

The Testo 623 comes with calibration protocol, batteries and attachment material.

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0560 6230


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£ 109.65 rrp £ 129.00

save 15%

(£ 131.58 inc VAT.)

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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.

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Testo 623 Hygrometer

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