Indoor air quality and comfort level

    Illuminance (lux) measurements

    Illuminance and light distribution have a key influence on factors such as performance and safety in the workplace.

    With a lux measuring instrument from Testo, you can ensure optimum lighting conditions indoors.

    Lux meters

    Applications

    Indoor air quality and comfort level

    Measuring indoor air quality and comfort level in workplaces on a regular basis enables the indoor climate to be adjusted precisely.

    Measuring instruments from Testo will help you to ensure a comfortable climate in all rooms.

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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

    Find out more

    Multifunctional

    Compatible with all Bluetooth-enabled Testo measuring instruments

    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 us

    Do you have any queries, or would you like a personal consultation?
    We would be happy to help you.

    Customer Service

    If you experience any malfunctions, please send in your measuring instrument with a brief description of the fault. Please also give us your telephone number for any inquiries. Normally, you’ll get your measuring instrument back within one week.

    Calibration

    Our subsidiary company Testo Industrial Services supports you daily in ensuring quality while always adhering to the relevant norms and guidelines. You get all the services you need from one provider.