Emission analyser applications

Flue gas analysis in industrial installations often needs to be carried out in extreme conditions, involving high temperatures, high humidity or a high dust content in the flue gas, for example. Emission measurements are taken in resource- and energy-intensive processes, during which large quantities of emissions such as carbon monoxide (CO), carbon dioxide (CO2), nitrogen oxides (NOX) or sulphur dioxide (SO2) are produced. With a number of exhaust gas probes, sensors and special options such as automatic dilution or Peltier gas preparation, the exhaust gas analyzers from Testo were specially developed for extreme demands.

Emission analyser applications are included in industrial areas such as cogeneration plants, boiler plants, metal works, gas turbines, engines and mining. A testo emission analyser is designed to withstand the intense conditions of these environments and to help you take accurate readings throughout.

A flue gas analyzer from Testo offers you

  • Numerous measurement parameters: O2, CO, NO, NO2, SO2, CO2, H2
  • Extensive selection of probes
  • Fast access to sensors and wearing parts
  • Measurement data management via software

Testo emission analyzers for portable, industrial emission measurement

Hand-held measuring intrument

  • testo 300 Next Level
    • testo 300 Next Level
  • The practical and efficient flue gas analyzer for versatile flue gas measurements
  • 3 sensors
  • O² (standard sensor)
  • Optional sensors:
    CO, CO H², NO, NOlow, Colow
  • CO² determination
    (calculation from O², standard)
  • Optional:
    Dilution up to 30.000 ppm

Hand-held measuring intrument

  • testo 340
    • testo 340
  • The handy and compact 4-sensor emission measuring instrument for versatile emission measurements
  • 4 sensors
  • O² (standard sensor)
  • Optional sensors:
    CO, COlow, NO, NOlow, NO², SO²
  • CO² determination
    (calculation from O², standard)
  • Standard:
    Dilution of a sensor factor 5
    Dilution of all sensors factor 2

Professional, versatile measuring system

  • testo 350
    • testo 350
  • With 6 sensors and more flexibility, the system of control unit and analyzer box allows an optimum solution for measurement tasks in industry
  • 6 sensors
  • O² (standard sensor)
  • Optional sensors:
    CO, COlow, NO, NOllow, NO², SO², H²S, CxHy
  • CO² measurement
    (Optional: when fitted with CO² infrared sensor)
  • Option:
    Dilution of a sensor, selectable factor: 2, 5, 10, 20, 40
    Dilution of all sensors factor 5

Further advantages:

  • Option: Peltier gas preparation
  • Option: fresh air valve for long-term measurement
  • Colour display
  • Option: SO2 low measurement heated / unheated
  • Option: connection of several analyzer boxes via databus

Measurement system for ships’ engines

  • testo 350 Maritime
    • testo 350 Maritime
  • The portable exhaust gas analysis system is the certified solution for emission measurements on marine diesel engines
  • 6 sensors
  • Standard:
    CO, NO, NO², SO²
  • Standard:
    CO² infrared sensor
  • Standard:
    Dilution of SO² factor selectable: 2, 5, 10, 20, 40
  • Standard:
    Dilution of all sensors factor 5

Further advantages:

  • Peltier gas preparation
  • Fresh air valve for long-term measurement
  • Colour display

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Overview of all areas of application



testo 330i: Smart exhaust gas analysis by App

Testo exhaust gas analyzer

The flue gas analyzer testo 330i is the further development of the proven exhaust gas measuring instrument testo 330-2 LL, and has the same precision and reliability as this Testo evergreen. The most important difference: The testo 330i is operated entirely via the testo 330i App and a smartphone or tablet. This gives you unheard of freedom and flexibility in your work.

  •  Operation of the exhaust gas measuring instrument testo 330i, and display of the measurement values completely via App.
  • Especially robust thanks to allround sealed housing.
  • Documentation of the measurement values completely paper-free in the App – including fast dispatch of reports by e-mail

Flue gas analysis with Testo: professional and reliable.

Flue gases contain, among others CO2, CO, oxides or soot particles. These pollute the environment, have a negative effect on the climate and conceal numerous health risks for human beings. Flue gas analysis with professional flue gas analyzers from Testo helps to make combustion processes more efficient, to optimize thermal processes, and above all, to reduce emissions.

  • Protection of the atmosphere thanks to as low a pollutant level as possible
  • The most efficient use of energy possible
  • Adherence to prescribed pollutant levels per exhaust gas volume and energy loss
Testo fine particle measuring instrument

Fine particle measurement in detail

In the measurement of fine particles, whether you are a chimneysweep or a heating fitter, the instruments eliminate the need for any further instructions. With the instruments, you can obtain very precise and reliable data. Testo products are designed so the they can be used for all fuel classes. The fuel classes A, B,and C are addressed. In addition to this there are limit value levels which must be adhered to and which can be displayed by an emission measuring instrument. The levels 1 and 2 can also be identified with the instruments. If you should establish that the fine particle pollutionis too high, you can also use a leakage detector, independently of the instrument. Leakage detection in detail:

  • Fast testing of plants
  • Identification of leaks in the shortest possible time
  • Reliable information on the size of the fine particles leaked

Testo smoke count measuring instrument

Working with an instrument for measuring the degree of blackening

One of the smoke count measuring instruments is the degree of blackening measuring instrument. The handy instrument is able to measure the Filter Smoke Number and the soot concentration. It is possible for you to take the instrument with you and use it at different job sites. This special fine particle measuring instrument can carry out a direct evaluation.

This is especially important so that you have the data ready to hand on site and can react. This is important in particular with regard to testing diesel engines. This way, the occurrence of emissions is prevented. A diesel engine’ injection can also be adjusted in order to reduce the soot emission.

The instruments from Testo’s portfolio are also suitable for industry. It is therefore unimportant whether the diesel engines you wish to test are in vehicles, industrial plants or on ships. Measurement systems no longer need to be installed on site. This means a considerable saving of costs.