Smart just got Smarter

    All-NEW testo 300+: Now with enhanced 8,000 ppm CO sensor with H2 compensation (H2 (20% compatible), with a 5 year sensor life span and connectivity of up to 4 smart probes.

    Why make measurements complicated when you can keep them simple?

    Efficient, wireless measurement of up to four additional parameters in parallel via our Smart Probes - thanks to the new testo 300! Featuring a practical second screen and intuitive operation – it really couldn’t be easier.

    When it comes to efficiency, there’s no alternative: Measure smarter, work easier

    Save valuable time: with easy, intuitive documentation on site & send measurement data by e-mail via the testo Smart App and wireless Smart Probes. Also discover the benefits of easy data integration into your in-house software – fewer transmission errors, less paperwork, less stress.

    BLUETOOTH® CONNECTOR*: 4 measurements at the same time via wireless Smart Probes

    *Compatible with all testo 300

    SECOND SCREEN FUNCTION and easy documentation via testo Smart App

    SMART-TOUCH DISPLAY: intuitive and responsive

    QR code scanner

    Robust workmanship

    All-NEW testo 300+ Kits

    Truly smart flue gas measurement just got smarter: Now with enhanced sensors, an improved cost of ownership and connectivity of up to 4 smart probes!

    testo 300LL flue gas analyser

    Carry out installation and maintenance work on commercial heating systems using this flue gas analyser with Longlife sensors.

    For fast, simple and smart measurements, there’s no alternative: testo 300

    The daily work routine is becoming more and more demanding. Time is getting scarcer, while processes are becoming more complex. However, on the other hand, some things unfortunately don’t change: Instrument operation and documentation are both cumbersome and time-consuming. But it doesn’t have to be that way! See for yourself!

    testo Smart App

    Welcome to the testo Smart World: The whole world in one app.

    Faster, easier, smarter: The testo Smart app brings all the tools and measurements together - and the documentation can also be easily controlled using a smartphone or tablet. Benefit from intelligent connectivity and the unique all-in-one solution for all applications. All jobs on heating systems are carried out smartly and effortlessly.

    Find out more

    You can easily connect these Smart Probes to the testo 300