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    Measuring instruments for indoor air quality and comfort levels

    For an optimal indoor climate.

    Regular measurements of indoor air quality and comfort at workplaces allow for precise adjustment of the room climate.

    Testo measuring devices help you ensure a comfortable climate in all rooms.

    Reliable indoor air quality and thermal comfort measurement

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    Additional climatic factors for an optimal indoor climate

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    Every flow measurement under control - in ducts or at outlets

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    Measuring comfort and indoor air quality in accordance with standards

    Univerzalni inštrument za merjenje hitrosti zraka in IAQ testo 400

    With the universal climate measuring device testo 400, you can check all parameters of indoor air quality and comfort according to current guidelines and standards: Objective statement on thermal comfort thanks to PMV/PPD measurement according to DIN EN ISO 7730

    • Objective statement on thermal comfort thanks to PMV/PPD measurement according to DIN EN ISO 7730

    • Standard-compliant determination of turbulence, draughts, and indoor air quality according to DIN EN ISO 7730

    • Determination of comfort levels at hot work stations WBGT measurement

    Overview of our product recommendations for you

    Multifunctional air meters

    Compact

    testo 440

    Multifunctional testo 440

    Versatility in a compact design

    Professional

    testo 420

    Universal measuring instrument testo 400

    En merilni inštrument za vse klimatske parametre

    Področje uporabe:

    Measurements of indoor air quality

    Koncentracija ogljikovega dioksida in kakovost zraka v zaprtih prostorih štejejo za najpomembnejše kazalnike dobre kakovosti zraka v zaprtih prostorih.

    • Ocenite kakovost zraka v zaprtih prostorih prek CO₂ in drugih meritev

    • Koncentracija CO₂ ne sme preseči 1.000 ppm

    Praktičen vodič:

    Indoor air quality and comfort level in the workplace

    Download the exclusive practical guide for free now.

    Go to download

    What does indoor air quality mean?

    Nadzorovanje kakovosti zraka v zaprtih prostorih:

    What is thermal comfort level?

    Reasons for using measuring technology

    Actions taken by a measuring technology technician in the event of a complaint

    And much more ...

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    testo Smart App

    One App for all applications

    The testo Smart App guides you quickly and easily through measurements on refrigeration, air conditioning and heating systems.

    Now new:

    PRO measuring programs for increasing the efficiency of your applications

    Izvedite več.

    Multifunctional

    Združljiva z vsemi merilnimi instrumenti z Bluetoothom

    Efficient

    Direct report dispatch by e-mail

    Fast

    All measurement values at a glance

    Easy

    Intuitive measurement menus

    Clever

    Free download, free use

    NEW

    PRO measuring programs

    Our services

    Contact

    Z veseljem vam pomagamo.

    Customer services

    In case of malfunctions, send in your meter with a short description of the error. Please also include your telephone number for any queries. Normally you will receive your meter back within one week.

    Umerjanje

    Our subsidiary Testo Industrial Services supports you every day in ensuring quality while always complying with the relevant standards and guidelines. You get all the services you need for this from a single source.