Testo India Pvt. Ltd.
Testo India Pvt. Ltd.

Humidity Measuring Instruments

Humidity Measuring Instrument

Humidity Measuring Instrument
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Item Code: Testo 645

Testo 645- Measures humidity / temperature, with battery and calibration protocol. Parameters like relative humidity, absolute humidity, dew point, degree of humidity, enthalpy and temperature are displayed using testo-645. Convenient data analysis on your PC with location name.




  • Highly accurate humidity meas. to ±1%RH
  • TopSafe for tough applications
  • Channel 1: Temperature probe Type K/J/S, NTC
  • Internal data memory
  • Channel 2: Combi-probe humidity/temperature or temperature probe Pt100

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