Testo 340 Combustion Analyzer

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 For maintenance and tuning of engines, boilers, furnaces, process applications

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The testo 340 provides you with the information you need to make the best decisions when it comes to combustion analysis. This is the ideal tool to confirm proper set-up and to identify emission problems before they get serious.

4-gas flexibility in a rugged, compact handheld design


Testo 340 for Boiler and Burner testing
O2 (0-25%), CO (0-10,000 ppm), NO (0-3,000 ppm)

  • Standard probe, 12" 316SS probeshaft and 7' teflon hose assembly (t max 932 degF)
  • Fast IR printer w/ 6 rolls of paper
  • Testo EasyEmission PC software
  • NIST traceable calibration certificate
  • Calculated CO2, efficiency, excess air

Testo 340 Engine Kit

  • Adds dilution system to protect CO sensor from over exposure to high concentrations
  • Upgrade to heavy duty engine probe, 316SS hex body handle with all industry standard connections
  • Inline condensate trap in hose assembly, filters included
  • Printer removed from kit

Additional Measuring Sensors

The Testo 340 is a 4 gas analyzer, capable of measuring NO2 or SO2 as well as the above O2, CO, NO.
Add NO2 to measure the full NOx profile of a lean burn engine