Professional Measurement Technology

    With meters, solutions, and services from Testo, you can be sure that you are making the right decision every time.

    Empower your World

    Faster, simpler, more sustainable: with the smart networked HVAC/R world of Testo.

    Leaf your old analyzer behind and FALL into our Promotion!

    Purchase a testo 310 II or 300 Combustion Analyzer Kit and via mail-in rebate, receive a complimentary testo 510i Smart Probe* and be entered to win the testo Professional Technicians Kit valued at $5,000!**

    See EVERYTHING with the testo 318 Borescope

    Easily identify sources of interference thanks to the integrated LED lighting with 10 brightness levels and large color LCD display. Use the pivoting camera with 180° image rotation, real-time live view and 2x digital zoom for precise inspections. The flexible, waterproof gooseneck allows you to explore hard-to-reach areas.

    Reliable as always.

    Easier than ever.

    Food measurement technology from Testo with seamless app connection for effortless documentation and HACCP-compliant quality management.

    *testo 270 BT multicolor LED display: Additional function is available after App registration.

    Leading the way in measurement technology

    Score BIG with the BEST Sensors in the Game!

    Purchase any new testo 340 or testo 350 Emissions Analyzer between September 1st, 2024 and December 31st, 2024, and qualify for a FREE Sensor upgrade!*

    Get SMART This Heating Season:

    Fall Promotion on Smart App Powered Essential Tools!

    Just Press Play

    Switch on, ready, go. Automate your evacuations with the testo 565i smart vacuum pump.

    New Year,
    New Web Shop!

    Free Shipping on any testo Web Shop purchase!
    (Offer valid in the Continental US only)

    Professional Measurement Technology

    With meters, solutions, and services from Testo, you can be sure that you are making the right decision every time.

    Professional Measurement Technology

    With meters, solutions, and services from Testo, you can be sure that you are making the right decision every time.

    Professional Measurement Technology

    With meters, solutions, and services from Testo, you can be sure that you are making the right decision every time.

    Empower your World

    Faster, simpler, more sustainable: with the smart networked HVAC/R world of Testo.

    No matter how demanding your project may be, we can offer you the right solution.

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    testo Smart App

    One app for all measurements

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

    New Features:

    PRO measuring programs to increase the efficiency of your applications

    >> Adjustments to the ventilation system

    >> Multi-measuring point measurement

    More Info

    Multifunctional

    Compatible with all Bluetooth-enabled Testo measuring devices.

    Efficient

    Reports can be sent directly via email.

    Fast

    All measured values at a glance.

    Simple

    Intuitive menus

    Clever

    Free to download, free to use (Base App)

    NEW

    PRO Measurement Programs (subscription required)

    Our service

    Contact

    Contact

    Testo North America
    2 West Market Street, Suite 500
    West Chester, PA 19382

    484-350-4318
    info@testo.com

    Know-How

    To the download center

    Here you will find:
    tips & tricks,
    video tutorials,
    webinars,
    seminars,
    software

    This is Testo!

    In it's 60 year history, Testo SE & Co. KGaA has written many large and small success stories.

    For over 60 years, Testo as a company has stood for stable growth. The basis for these success are our employees

    More information.

    testo Solutions gmbH: Your solutions for the challenges of a connected world

    More information.

    More service and security for your company.

    More information.