testo 400 IAQ Kit - for Commissioning and IAQ investigation professionals

Order-Nr.  0563 0408

  • A measuring instrument for all climate-related parameters

  • Measures all IAQ-related parameters such as CO, CO2, temperature and humidity, including dew point and wet bulb temperature calculations.

  • Optional IAQ data logger available for long-term IAQ measurements independently of the instrument.

  • Finish reports either directly on site or later at a PC

  • Compatible with a wide variety of probes, and testo Smart Probes for all your IAQ measurement needs


Product Description

The testo 400 IAQ Kit is ideal for Commissioning and IAQ investigation professionals verifying building HVAC system performance parameters.

Details on kit components

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Technical Data


Comfort probes

Globe probe Ø 5.9"

Order Number: 0602 0743

Humidity probes

Order Number: 0560 2605 03

Pitot tubes

Pitot tube, stainless steel, 3.3 ft

Order Number: 0635 2345

Pitot tube; (length: 360mm)

Order Number: 0635 2043

Pitot tube; (length: 500mm)

Order Number: 0635 2143

Pitot tube; (length: 1000mm)

Order Number: 0635 2243

Pressure Probe

Order Number: 0560 2549 03

Temperature probes

$ 129.00
excl. tax
Immersion tip, flexible

Order Number: 0602 5793

Order Number: 0560 2115 03

Velocity Probe

$ 147.00
excl. tax
$ 871.00
excl. tax
$ 668.00
excl. tax





Transport case for air flow measurements

Order Number: 0516 1400

$ 237.00
excl. tax
$ 404.00
excl. tax
USB mains unit, including cable

Order Number: 0554 1106

Sensor heads


IAQ measurements in the field of air conditioning and ventilation

  • IAQ measurements: CO2, CO, temperature and humidity, including dew point and wet bulb temperature calculations for verifying building HVAC system performance parameter.
  • High-precision, location-independent and built-in differential pressure sensor, smart and intuitive measurement programs for IAQ measurements in accordance with the standards, creation of documentation on site, e-mailing of reports, versatile combination options with IAQ probes.
  • Measurements in laboratories and cleanrooms: Flow measurements in fume cupboards, differential pressure measurements and laminar flow measurements in cleanrooms, humidity measurements in cleanrooms with additional probes.
  • Comfort level measurements: Measurement of indoor air quality or turbulence as per ASHRAE 55, PMV/PPD as per ASHRAE 55.