Multifunction measuring instruments with connectable probes

Our multifunction measuring instruments with connectable probes are flexible and versatile. Our all-rounders can be combined with numerous probes, for example for CO₂, temperature, humidity, flow and comfort level measurements. In combination with our CO₂ probes, they reliably determine the CO₂ concentration in the air – which means they can assess the indoor air quality.

1 Products or Recomendations for Multifunction measuring instruments with connectable probes
  • testo 400 - Universal IAQ instrument

    Order-Nr. 0560 0400

    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.
    • Smart, intuitive measurement programs including HVAC grid measurement as per EN ISO 12599 and ASHRAE 111, PMV/PPD and turbulence as per EN ISO 7730 and ASHRAE 55

    • 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

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