Testo 435-1 Indoor Air Quality Monitor


The Testo 435-1 Indoor Air Quality Monitor Kit is a multifunction instrument for measuring and surveying Indoor Air Quality and for altering and reviewing VAC systems. Testo 435-1 is a moderate introduction of measurement engineering for ambient air conditions.

Applications: Used in ventilation ducts to measure volumetric flow, measures the flow at duct outlets, measures the air and surface temperature, radiated heat, lighting measurement, turbulence measurement(thermal comfort)

  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 Kingdom

Product Description

The Testo 435-1 indoor air quality meter enables you to do a wide range of measures which empowers you to review and modify ventilation and air conditioning systems and complete indoor air quality testing. In addition to the numerous different capacities and features than its smaller sibling, the 435-2, has, the testo 435-4 likewise has an incorporated weight contrast sensor for estimations with pitot-static tube and filter monitoring. Readings from up to 3 temperature probe tests can be shown on the screen. With testo 435-1 Measurement, data can likewise be imprinted on site with the Testo printer.

The Testo 435-1 IAQ Kit measuring the following parameters:

  • Relative humidity
  • Temperature
  • CO2
  • Absolute Pressure

Additional Information

Weight 1 kg
Model No
Measuring Parameters Absolute Pressure, Ambient CO₂, Humidity, Temperature, Velocity
Temperature - NTC -50 to +150 °C
Accuracy ±0.2 °C (-25 to +74.9 °C)
Temperature - TC Type K (NiCr-Ni)
Temperature - TC Type T (Cu-CuNi)
Accuracy_2 ±0.3 °C (-60 to +60 °C)
Humidity - Capacitive
Accuracy_3 See probe data
Absolute Pressure 0 to 2000 hPa
Accuracy_4 See probe data
Velocity - Vane anemometer
Accuracy_5 See probe data
Velocity - Hot wire anemometer 0 to +20 m/s
Accuracy_6 See probe data
Ambient CO₂
Accuracy_7 See probe data
Operating Temperature
Storage Temperature
Protection class
Battery Life
Display lighting Illuminated display


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