Emission measurement

Emission analysis must fulfil a number of requirements. Testo constantly adapts to these requirements, offering products for continuous emission checks, tuning and optimisation of burners as well as process monitoring in thermal manufacturing processes.

The adaptive flue gas analysis systems which Testo has developed, produced and sold for the past 50 years not only deliver precision, but also focus on simplicity and convenience.

Testo exhaust gas & emission analyser series consist of the Testo 340 & Testo 350. The testo 340 is a 4 cell gas analysers which is the ultimate analyser for portable combustion and engine tuning. With the testo 340 you get a choice of O2, CO, COlow, NO, NOlow, NO2, and SO2 to suit ones individual needs. The Testo 350 Multiple Gas Analysis System provides a complete emissions monitoring solution without sacrificing ease of use.

When it comes to heavy duty applications, the testo 350 gas analyser is known for its reliability and accuracy. The Testo 350 in particular supports the direct measurement of 6 gases from a range of 10 sensors, not to mention the many other parameters necessary for managing the environment, efficiency and commissioning.

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Compliance Testing

Compliance Testing with testo 350
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In most countries, operation of all types of industrial plants is subject to strict regulations governing exhaust gas emissions into the atmosphere.

  • Verify that the components defined as pollutants do not exceed certain limit values in the flue gas
  • Carry out a preliminary flue gas analysis before an official emissions reading

Efficiency testing

Efficiency testing with testo 340
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Flue gas analysis instruments are one of the items of equipment that are used on a daily basis by service engineers to achieve optimum tuning of engines.

  • Tune the engine to the optimum operating parameters while complying with the limit value regulations in force
  • Avoid downtimes over the long term

Efficiency testing on ships

Efficiency testing on ships
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On ships, as little visible smoke should be produced as possible, and the soot content kept to a minimum. In shipbuilding, the smoke count also plays an important part.

  • Test whether the smoke count of marine diesel engines does not exceed the prescribed limit values
  • Prove the soot emission in the diesel exhaust to custormers

Emission measurement: Combined heat and power plant

Emission measurement on CHP systems with testo 350
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In order to be able to ensure the efficiency of combined heat and power plants, it is important to monitor them with a suitable measuring instrument, not only in commissioning but also in the course of test measurements.

  • Extend the lifetime of the engine
  • Early identification of wear
  • Reduction of fuel consumption by the optimum adjustment of the ignition point


Emission measurement: boiler systems

Emission measurement on boiler systems with testo 340
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The statutory emissions limit values are getting more and more strict, especially for NOX. For this reason, emissions values are determined on boilers and burners during commissioning, maintenance and for emissions measurements.

  • Assessing the cost-effectiveness of the system and the setting of the burner
  • Ensuring that the system complies with the legally established maximum values for flue gas loss and emissions

Emission measurement: gas turbine

Emission measurement on gas turbines with testo 350
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A gas turbine must be tested at regular intervals to check whether it is running according to the manufacturer's specifications and adhering to emission limit values, for this reason it is important for efficient operation to have a reliable, highly precise measuring instrument to hand.

  • High measurement accuracy at low concentrations, thanks to precise COlow and NOlow sensors
  • Easy, precise test gas adjustment by the user