The flue gas analyzer testo 300 NEXT LEVEL
The flue gas analyzer testo 300 NEXT LEVEL

testo 300. Wireless. Efficient. Smart.
Connect up to 4 testo 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 – with the new testo 300 NEXT LEVEL! Featuring a practical second screen and intuitive operation – it really couldn’t be easier.

Flue gas analyzer testo 300 NEXT LEVEL

testo 300: 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.

For fast, simple and smart measurements: 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!

NEW kits at Special Prices

  • testo 300 smart kit
    • testo 300 smart kit
  • testo EasyHeat PC software
  • Instrument bag
  • Smart Probes compatible
  • Connection to Smart App
  • Warranty: 4 years
  • testo 300 ultra smart kit
    • testo 300 ultra smart kit
  • testo EasyHeat PC software
  • Instrument bag
  • Smart Probes compatible
  • Connection to Smart App
  • Warranty: 4 years
  • Printer, including spare paper

testo 300 bestsellers!

  • testo 300 handset
    • testo 300 handset
  • testo EasyHeat PC software
  • Instrument bag
  • Smart Probes compatible
  • Connection to Smart App
  • Warranty: 2 years
  • testo 300 standard kit
    • testo 300 standard kit
  • testo EasyHeat PC software
  • Instrument bag
  • Smart Probes compatible
  • Connection to Smart App
  • Warranty: 2 years
  • Printer, including spare paper
  • testo 300 advanced kit
    • testo 300 advanced kit
  • Intuitive measurement menus and fast-response Smart-Touch display
  • Including O2 and CO sensor up to 4,000 ppm
  • 3rd sensor slot to allow optional Nitric Oxide (NO) sensor to be fitted to allow device to give calculated NOx measurement (sensor 0393 0151 required)
  • Integrated micro-pressure measurement
  • Documentation on site and reports sent by e-mail

testo 300LL Kits

  • testo 300 Longlife standard kit
    • testo 300 Longlife standard kit
  • Intuitive measurement menus and fast-response Smart-Touch display
  • Including O2, CO H2-compensated sensor up to 30,000 ppm (NO sensor - can be retrofitted)
  • Integrated micro-pressure measurement
  • Documentation on site and reports sent by e-mail
  • Versatile probes and fast probe changes by the user
  • testo 300 Longlife standard kit & printer
    • testo 300 Longlife standard kit & printer
  • Intuitive measurement menus and fast-response Smart-Touch display
  • Including O2, CO H2-compensated sensor up to 30,000 ppm (NO sensor - can be retrofitted)
  • Integrated micro-pressure measurement
  • Documentation on site and reports sent by e-mail
  • Versatile probes and fast probe changes by the user
  • testo 300 Longlife NO kit & printer
    • testo 300 Longlife NO kit & printer
  • Intuitive measurement menus and fast-response Smart-Touch display
  • Including O2, CO H2-compensated sensor up to 30,000 ppm and NO sensor
  • Integrated micro-pressure measurement
  • Documentation on site and reports sent by e-mail
  • Versatile probes and fast probe changes by the user
testo Smart App

One app to cover all applications: The testo Smart App

Faster, easier, smarter: Our testo Smart App is the focal point of all activities. All heating applications can be conveniently managed using a smartphone or tablet.

With Testo, you have everything under control and conveniently at your fingertips – all from one source. Benefit from intelligent connectivity and the unique all-in-one solution for all applications. Make measuring and documenting easier and faster again.

Find out more about the advantages of our testo Smart App!