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testo 435-4 – Multifunction indoor air quality meter

830.08 Ex. VAT
  • Includes pressure difference sensor for pitot static tube measurements or filter monitoring
  • Further sensors optionally available (eg. anemometer, moisture sensors, lux and degree of turbulence sensors) for a variety of different measuring applications
  • Super-size memory for up to 10 000 measurements
  • PC software for analyzing and logging measuring data
The testo 435-4 multifunction indoor air quality meter allows you to carry out all the measurements you need to inspect and adjust ventilation and air conditioning systems and to check the quality of the indoor air. There is also an integrated pressure difference sensor for pitot static tube measurements and filter monitoring and a wide range of optionally available sensors and probes to choose from.Delivery time: 3 – 5 working days
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testo 440 CO₂ Kit with Bluetooth®

735.77 Ex. VAT
  • Intuitive: clearly structured measurement menu for long-term measurement and parallel determination of CO₂ concentration, humidity and air temperature in indoor areas
  • Precise: absolute pressure compensation, calculation of wet bulb temperature, dew point and absolute humidity
  • Convenient: wireless probe, internal data storage and USB port for data export
  • As multifaceted as your challenges themselves: the air velocity and IAQ measuring instrument can be expanded with a large portfolio of digital probes
Kit for evaluating the indoor air quality. The testo 440 air velocity and IAQ measuring instrument and the CO2 probe with Bluetooth including temperature and humidity sensor are all safely stowed away in the case. So you can get down to work straight away! Delivery time: 3 – 5 working days
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testo 440 Humidity Kit with Bluetooth®

426.83 Ex. VAT
  • parallel determination of humidity and air temperature in storage, refrigerated and work rooms and also in ventilation ducts
  • Precise: calculation of dew point, wet bulb temperature and absolute humidity
  • Convenient: wireless probe, internal data storage and USB port for data export
  • As multifaceted as your challenges themselves: the air velocity and IAQ measuring instrument can be expanded with a large portfolio of digital probes
Kit for carrying out measurements in storage, refrigeration and work rooms, in ventilation ducts and also on refrigeration systems and heat pumps. Keep the testo 440 air velocity and IAQ measuring instrument and the humidity/temperature probe with Bluetooth safely stowed away in the case. So you can get down to work straight away!Delivery time: 3 – 5 working days
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testo 440 Indoor Comfort ComboKit with Bluetooth®

1,578.86 Ex. VAT
  • Intuitive: clearly structured measurement menu for long-term measurement and parallel determination of CO₂ concentration, humidity, air temperature and degree of turbulence in workplaces
  • Precise: calculation of wet bulb temperature, dew point and absolute humidity – determination of the degree of turbulence and draught risk according to EN ISO 7730 / ASHRAE 55
  • Convenient: wireless probe, internal data storage and USB port for data export
  • As multifaceted as your challenges themselves: the air velocity and IAQ measuring instrument can be expanded with a large portfolio of digital probes
Use this practical Indoor Comfort ComboKit to handle all relevant measurements in order to evaluate the indoor air quality in indoor areas and to determine the draught risk and degree of turbulence in workplaces. The testo 440 air velocity and IAQ measuring instrument, the CO2probe with Bluetooth including temperature and humidity sensor and the turbulence probe are all safely stowed away in the case. So you can get down to work straight away!Delivery time: 3 – 5 working days
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testo 440 Lux Kit

569.11 Ex. VAT
  • Intuitive: clearly structured measurement menu for long-term measurement and determination of illuminance according to the V-lambda curve , thus for all common light sources
  • Precise: standard-compliant accuracy according to DIN EN 13032-1 and class C according to DIN 5032-7
  • Convenient: non-slip probe contact surface for convenient positioning at the measuring location, internal data storage and USB port for data export
  • As multifaceted as your challenges themselves: the air velocity and IAQ measuring instrument can be expanded with a large portfolio of digital probes
Kit for measuring the illuminance in workplaces, for example in offices or in production areas. Keep the testo 440 air velocity and IAQ measuring instrument and a lux probe safely stowed away in the case. So you can get down to work straight away!Delivery time: 3 – 5 working days