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Testo 330i

The testo 330i flue gas analyzer was specifically developed to help you to overcome all the obstacles you meet when servicing and commissioning heating systems.

Testo 330i – flue gas analyzer

  • Measurement location-independent operation and Bluetooth measurement value display via Smartphone/tablet and testo 330i App
  • Non-paper documentation and report creation directly on site with the testo 330i App
  • Reliable flue gas probe attachment with the testoFix probe mount
  • Robust, completely sealed plastic housing for use in tough conditions


The testo 330i is the combination of proven technology and revolutionary handling. The basis of the flue gas analyzer is the measurement technology of the proven predecessor testo 330 LL, with these outstanding features:

  • Longlife sensors with up to 6 years’ lifetime, exchangeable by the user
  • TÜV-tested according to 1. BImSchV (VDI 4206) and EN 50379, Parts 1-3
  • Integrated gas and draught zeroing without probe removal
  • Measuring range extension up to 30,000 ppm CO through automatic fresh air dilution

The operation of the measuring instrument and the display of the measurement values take place by Bluetooth via the testo 330i App on your Smartphone/tablet. This means you always have all relevant values at your fingertips right where you need them. After finishing the measurement, you can insert comments or photos of the plant into your report, and send it to your customer or your office by e-mail. Today’s way to measure flue gas.

Parameters: °C , hPa , O2 , CO/H2 , NO , ΔP


  • Increased Efficiency
  • Environmental Benefits
  • Safety
  • Obtains Data Quickly


Industries & Applications:

  • Cogeneration Plant
  • Boiler Plant
  • Gas Turbines
  • Aluminum Works
  • Metal and Steel Works
  • Cement Works
  • Mining
  • Glass melting furnace
  • Ship’s engines
  • Automobile