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    Ventilation and air conditioning technology

    Made to make it easy.

    Our compact HVAC measuring instruments deliver precise results wherever you need them – fast, flexible, user-friendly and connected to your smartphone. Measuring couldn’t be easier.

    Compact HVAC measuring instruments from Testo

    The new ones from Testo: 11 measuring instruments. 9 measurement parameters. 1 app.
    Endless possibilities.

    Switch on, measure and know more immediately: Our new, palm sized digital HVAC measuring instruments give you precise readings - easily and quickly. That is our promise to you.

    Because we know that things have to move fast in your job and that you need reliable measurement results immediately in order to be able to carry on. But we also know that good measurement technology must also be smart - which is why our compact newcomers and your smartphone are true partners thanks to the testo Smart App.

    What are you waiting for? Make it easy for yourself.

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        The right measuring instrument for every application

        testo 416
        testo 416 - Digital 16 mm vane anemometer with App connection
        Simple, fast and precise flow measurement and volume flow calculation in the ventilation duct
        More flexibility for duct measurements with the cable-connected telescopic probe (maximum length 850 mm)
        Order no.0563 0416
        testo 417
        testo 417 - Digital 100 mm vane anemometer with App connection
        Easy, fast and precise measurement of flow, volume flow and temperature at air inlets and outlets
        Efficient regulation of balanced residential ventilation and fast documentation with the testo Smart App
        Order no.0563 0417
        testo 417 kit 1
        testo 417 kit 1 - Vane anemometer with measurement funnels
        Easy, fast and precise measurement of flow, volume flow and temperature at air inlets and outlets
        Efficient regulation of balanced residential ventilation and fast documentation with the testo Smart App
        Order no.0563 1417
        testo 417 kit 2
        testo 417 kit 2 - Vane anemometer with measuring funnels and flow straightener
        Easy, fast and precise measurement of flow, volume flow and temperature at air inlets and outlets
        Efficient regulation of balanced residential ventilation and fast documentation with the testo Smart App
        Order no.0563 2417
        testo 425
        testo 425 - Digital hot wire anemometer with App connection
        Simple, fast and precise flow and temperature measurement plus volume flow calculation in the ventilation duct
        More flexibility for duct measurements with the cable-connected telescopic probe (maximum length 820 mm)
        Order no.0563 0425
        testo 512-1
        testo 512-1 - Digital differential pressure measuring instrument with App connection
        Simple, fast and precise differential pressure measurement (0 to 200 hPa) for checking filters and for Pitot tube measurement in the ventilation duct
        Reliable measurement results due to position-independent differential pressure sensor with high accuracy
        Order no.0563 1512
        testo 535
        testo 535 - Digital CO2 measuring instrument with App connection
        Simple, fast and precise measurement of CO₂ concentration
        Audible alarm sounds if a limit value is exceeded
        Order no.0563 0535
        testo 545
        testo 545 - Digital Lux meter with App connection
        Simple, fast and precise measurement of illuminance (Lux) according to the V-lambda curve for all common light sources
        Wide range of applications due to LED compatibility (except single-colour blue LED)
        Order no.0563 1545
        testo 625
        testo 625 - Digital thermohygrometer with App connection
        Simple, fast and precise measurement of air temperature and relative humidity
        Calculation of dewpoint and wet bulb temperature
        Order no.0563 1625
        testo 512-2
        testo 512-2 - Digital differential pressure measuring instrument with App connection
        Simple, fast and precise differential pressure measurement with a large measuring range (0 to 2000 hPa)
        Fast in-app (duct) configuration, graph history, second screen and measurement data memory in the testo Smart App
        Order no.0563 2512
        testo 922
        testo 922 - Differential temperature measuring instrument for TC Type K with App connection
        Easy, fast and precise differential temperature measurement with dual thermocouple Type K probes (2 x TC Type K probes Class 1 included)
        Fast in-app configuration, graph history, second screen and measurement data memory in the testo Smart App
        Order no.0563 0922
        testo 925
        testo 925 - Temperature measuring instrument for TC Type K with App connection
        Easy, fast and precise temperature measurement with thermocouple Type K probe (1 TC Type K probe, Class 1, included)
        Fast in-app configuration, graph history, second screen and measurement data memory in the testo Smart App
        Order no.0563 0925
        testo 110
        testo 110 - NTC and Pt100 temperature measuring instrument with App connection
        Simple, fast and particularly precise temperature measurement with NTC or Pt100 probes (optionally available)
        Fast in-app configuration, graph history, second screen and measurement data memory in the testo Smart App
        Order no.0563 0110

        CO₂ meter testo 535

        Easy

        • Compact design

        • Robust workmanship

        • Intuitive operation

        • Print reports on site

        • testo Smart App

        testo 625 humidity/temperature measuring instrument

        Fast

        • Measurement results immediately

        • Configuration with the testo Smart App

        • Automatic volume flow calculation

        • Two displays show more than one

        Temperature measuring instrument testo 110

        Precise:

        • Digital probes proven in practice

        • Helpful measurement menus

        • Complex measurements, compactly simplified

        • Documentation with the testo Smart App

        testo Smart App

        The HVAC App for everything: That’s smart!

        The testo Smart App will become your indispensable companion.

        Find out more
        testo Smart App

        Configure your measuring instrument

        Display graphical measured value curve

        Save measurement data

        Customer and measuring point management

        Documentation of your work

        E-mail dispatch of the report

        Brochure

        Learn all about our 11 new compact HVAC measuring instruments.

        Download

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