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Testo 340

The testo 340 flue gas analyzer gives you professional technology, easy handling and practical execution in one instrument.

Testo 340 – Portable measuring instrument for industrial emission measurement

  • Measuring range extension for unrestricted measurement at
  • high gas concentrations
  • Flue gas analysis with up to 4 gas sensors – freely
  • configurable
  • Large selection of probes
  • Bluetooth interface
  • Convenient measurement data management
  • TÜV-tested /EN norm


The handy, easy-to-operate emission measuring instrument testo 340 is the right tool for many different emission measurements. The compact design and the reliable technology make it the ideal measuring instrument for commissioning, service and maintenance work and in test measurements on industrial burners, stationary industrial engines, gas turbines and thermal processes. The unique measuring range extension allows unrestricted measurements to be carried out even at high gas concentrations. The testo 340 is equipped with an O2 sensor as standard. Three further gas sensors can be configured individually, in order to be able to adapt the instrument optimally to the respective measurement task. The instrument can also be operated remotely from your Android Smartphone or tablet using the free App.

Main FEATURES: Can measure O2, CO, NO, NO2, SO2 (max Four sensor at a time) with added display of CO2 Excess Air, Gross Efficiency, Net Efficiency, Temperature up to 1000°C and many optional facilities.

Fuel Types: 10 user-defined fuels incl. test gas as fuel


  • 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