Your new combustion analyzer from Testo
Testo combustion analyzers offer:
- Reliable brand quality with over 60 years’ experience
- Service and maintenance directly from the manufacturer
- Extensive range of probes which often replace additional measuring instruments.
Testo measuring instruments for combustion measurement
Simple: testo 310 H2>
Professional: testo 300 H3>
Product selection
Combustion analysis and heating system applications
For flue gas measurements, there’s no alternative: the testo 300 NEXT LEVEL
Efficient, wireless measurement of up to four additional parameters in parallel, such as pressure and temperature. Featuring a practical second screen and intuitive operation – it really couldn’t be easier.
Save valuable time by carrying out simple, intuitive documentation on site and sending measurement data by e-mail via the testo Smart App. Discover the benefits of easy data integration into your in-house software via QR code – fewer transmission errors, less paperwork, less stress.
Find out more about wireless parallel measurements in record time!

The Testo pro tips for fine particle and emission measurement
Are you a chimneysweep, do you have to measure fine particles, or conduct measurements according to 1. BImSchV?
Then we recommend the fine particle measuring instrument testo 380. It guides you through the measurement step by step and measures fine particles, CO and O₂ in real time.
The advantages:
- High tech in a robust case: The measuring instrument, probes and accessories can be easily transported in the convenient case.
- Especially economical in operation and maintenance – an investment which pays off fast
- Fully TÜV-tested for limit value levels 1/2 and according to VDI 4206 Sheet 2
Are you conducting exhaust gas analyses on industrial engines, combined heat and power plants, gas turbines or boiler plants?
Then an emission meter from Testo is ideal. Robust, modular and highly accurate, it ensures that emission limit values are adhered to and plants run efficiently.
The advantages:
- Exchange gas sensors and wearing parts easily yourself
- Especially robust construction and integrated impact protection ideal for surroundings where things can get rough
- Reliable precision even in high gas concentrations
How to contact us.
Do you have any questions?
We would be more than happy to help you.
Other measuring instruments for heating systems and combustion analysis

Finding gas leaks
With a gas leak detector from Testo, you detect leakage from gas pipes quickly, safely and norm-compliantly.
- Fast reaction to even the smallest gas quantities
- Flexible probe reaches even the most difficult-to-access places; audible and optical alarm as soon as a leak is detected
- Additionally: Measuring instruments for tightness testing, load testing and serviceability testing
Measuring smoke number
With the digital soot number measuring instrument from Testo, you see the smoke count from oil combustion plants at a glance.
- Fully automatic measurement of smoke number
- Digital analysis of results
- Easy documentation of the measurement values
Measuring CO₂
Good indoor climate depends on the carbon dioxide content of the air. With a Testo CO₂ measuring instrument you take the first step towards a pleasant indoor climate.
- Monitoring and optimizing indoor climate
- Multifunction instruments for CO₂, humidity, lux, degree of turbulence and more
- CO measuring instruments for monitoring and measuring CO in boiler rooms
Testo Experts:
Do good with every survey.
Do you use Testo instruments in the fields of heating, air conditioning or refrigeration? Then become a member of Testo Experts and support a good cause with every survey.
Testo Experts:
We need your expert opinion!
Do you use Testo instruments in the fields of heating, air conditioning or refrigeration? Then become a member of Testo Experts and help us shape the products of tomorrow.