Testo 635-1 Temperature And Humidity Measuring Instrument

Product Id : 2940


Testo 635-1 for temperature and humidity measurement is ideally equipped for checking the air humidity, temperature, and dew point in living areas, in production, storage, and server areas, and in museums and cold stores. It also aids the measurements of the ambient absolute pressure and dew point in compressed air can be quickly and efficiently.

Applications: Offices, cars, humidors, museums, industrial spaces, and greenhouses and are also used in meteorology stations to report and predict the weather

  Usually ships in 2 - 4 weeksUsually ships in 2 - 4 weeks, However please contact store for precise delivery schedule. Backorder also allowed

100 in stock

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Country : United States

Product Description

Testo 635-1 for temperature and humidity measurement instrument also displays min., max. and mean values. While the pressure dew point probe measures the pressure dew point in compressed air, the humidity probe helps in measuring the dew point and water content of indoor air along with the psychrometric temperature, in addition to air humidity and air temperature.


  •  Measures air humidity, temperature, absolute pressure, and dew point in compressed air
  • Optional attachable probes
  • Display of min, max and mean values
  • Cyclical printing of readings at freely adjustable intervals

Additional Information

Weight 1 kg
Manufacturer Testo
Model No 635-1
Measuring Parameters Absolute Pressure, Humidity - Capacitive, Temperature - NTC, Temperature - TC Type K (NiCr-Ni)
Temperature - NTC -40 to +150 °C
Accuracy ±0.2 °C for -25 to +74.9 °C, ±0.4 °C (+75 to +99.9 °C), ±0.4 °C for +75 to +99.9 °C, ±0.4 °C for -40 to -25.1 °C
Resolution 0.1 °C
Temperature - TC Type K (NiCr-Ni) -200° to 1370 °C
Accuracy_1 ±(0.2 °C + 0.5 % of mv) (Remaining Range), ±0.3 °C for -60 to +60 °C
Resolution 0.1 °C
Humidity - Capacitive 0 to +100 %RH
Accuracy_2 See probe data
Resolution 0.1 % R.H
Absolute Pressure 0 to 2000 hPa
Accuracy_3 See probe data
Resolution 0.1 hPa
Operating Temperature -20 to +50 °C
Storage Temperature -30 to +70 °C
Housing ABS / TPE / Metal
Battery Alkali manganese, mignon, Type AA
Battery Life 200 hrs
Warranty 2 Years Manufacturing Warranty
Dimensions 220 x 74 x 46 mm
Weight 428 Grams


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