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  • air-flow-iaq-measuring-instruments-flow-temp-rh-hpa-co2-co-illuminence-radiant-heat-turbulence-suitable-for-cooling-tower

Testo Air Flow & IAQ Measuring Instruments(Flow, Temp., rH, HPA, CO2,CO,illuminence,Radiant Heat, Turbulence) Suitable for Cooling Tower

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  • Specifications
Measuring range

-40 to +150 C


0.1 C

Measuring range

-200 to +1370 C


(0.3 C + 0.1 % of mv) 1 Digit


2 GB; 1,000,000 measuring values


Bluetooth; USB; WLAN

Power supply

Rechargeable li-ion battery (5550 mAh)

  • As an expert in the field of air conditioning and ventilation, you will find the testo 400 universal IAQ measuring instrument ideal. The IAQ measuring instrument with a built-in measurement assistant provides optimum support for carrying out air flow and comfort level measurements in accordance with the standards, as well as for adjusting and inspecting air conditioning and ventilation systems.
Product Description
  • High-precision, location-independent and integrated differential pressure sensor

  • Measure all IAQ-related parameters – with our wide range of probes for all IAQ measurements

  • Document measuring values directly on the customer's site and send them by e-mail, or further analyze them using the testo DataControl PC software

The testo 400 is the universal measuring instrument for all IAQ professionals. Measure, analyze and document all IAQ and comfort level parameters using just one instrument – simply, conveniently and in compliance with the standards. High-quality measuring technology, intuitive measurement assistants, versatile documentation options and a comprehensive selection of IAQ probes make the testo 400 the perfect partner for your day-to-day work.

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