Testo 645 – Humidity/Temperature Measuring Instrument

The testo 645  humidity/temperature estimating instrument consequently demonstrates the estimation parameters of relative dampness, supreme moistness, dew point, level of stickiness, enthalpy and temperature at the dash of a catch.



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Product Description

Product Description
The testo 645 high-precision humidity and temperature measuring instrument offers two probe inputs for attaching a comprehensive range of probes:
Channel 1: temperature probe, type K/J/S, NTC
Channel 2: humidity/temperature probe or Pt 100 temperature probe

At the touch of a button, the thermohygrometer automatically indicates the measurement parameters of temperature, relative humidity, dew point, pressure dew point, absolute humidity, degree of humidity and enthalpy, along with min., max. and mean values, as well as the last measured value. Convenient evaluation of the measurement data is possible using the optional PC software. Measurement data can also be printed out directly at the measuring location via the optional testo fast printer.

Areas of application of the testo 645 humidity/temperature measuring instrument
Monitoring of temperature and humidity values in production, storage and server rooms, museums, archives, cold stores, containers and display cases
Location of mould formation in residential or other buildings

Additional Information

Manufacturer
Model No
Measuring Parameters Humidity - Capacitive, Pt100, Temperature - NTC, Temperature - TC Type J (Fe-CuNi), Temperature - TC Type K (NiCr-Ni), Temperature - TC Type S (Pt10Rh-Pt)
Temperature
Accuracy ±0.1 % of mv (200.1 to 800 °C), ±0.2 °C (-200 to 200 °C)
Resolution
Temperature - NTC -50 to +150 °C
Resolution
Temperature - TC Type K (NiCr-Ni)
Accuracy_1 , ,
Resolution
Temperature - TC Type J
Accuracy_2 ±0.3 °C (-60 to +60 °C), ±0.5 % of mv (+60.1 to +750 °C), ±0.5 % of mv (-200 to -60.1 °C)
Resolution
Temperature - TC Type S (Pt10Rh-Pt) -50 to +1700 °C
Humidity - Capacitive
Accuracy_3 See probe data
Resolution
Operating Temperature
Storage Temperature
Number of channels
Housing
Battery
Battery Life
Display Size/Type
Dimension
Weight

DS_Testo Humidity Temperature Measuring Instrument_Ver1.0

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