Testo 310 Flue Gas Analyser with Printer 0563 3110



  • High quality , affordable FGA with draught, ambient CO and pressure measurement
  • Ideal for commissioning new boilers according to Gas Safe TB143
  • For use with all common fuel types
  • Automatic CO sensor protection shuts off pump
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Warranty2 years
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Testo 310 Flue Gas Analyser with Printer 0563 3110

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The new testo 310 combines simple functions with a high level of measurement accuracy, and is thus perfect for all basic measurements on heating systems.

Long battery lifetimes of up to 10 hours guarantee you high availability. Its easy handling and compact design make it a robust tool for daily work - even when things get rough. The printer specially developed for the testo 310, including infrared interface, allows you to easily create clear reports on site.

The testo 310 has two measurement cells for O2 and CO, and a temperature sensor integrated into the flue gas probe. The gas sensors measure the exact oxygen and carbon monoxide content as well as the flue gas and ambient temperature. From these data, all relevant measurement parameters such as CO2 value, degree of effectivity and flue gas loss are calculated. The instrument stands out thanks to its easy handling and menu-guided security. You can read off the measurement values confidently and conveniently from the well-lit display, even in bad light conditions. The fuels are stored not just as numbers, but are each described. At the top edge of the clear display, the symbols for the different measurement menus are always in view. The display and the dirt-insensitive keypad are clearly structured. Operation is very easy - even if you only have one hand free.


  • Flue gas measurement
  • Draught measurement
  • Ambient CO measurement
  • Pressure measurement
Measuring rangeAccuracy   ±1 digitResolutionAdjustment time t90
(flue gas)
0.0 to 400.0 °C±1 °C (0,0 to 100,0 °C)
±1.5 % of reading ( > 100 °C)
0.1 °C< 50 sec
(Ambient temperature)
-20 to +100.0 °C± 1 °C0.1 °C< 50 sec
Draught measurement-20.00 to +20,00 hPa± 0.03 hPa (-3.00 to +500 hPa)
± 1.5% of m.v. (remaining range)
0.1 hPa
Press. measurement-40,00 to +40.0 hPa± 0.5 hPa0.1 hPa
O2 measurement0,0 to 21.0 vol.%± 0.2 vol.%0.1 vol. %30 sec
CO measurement
0 to 4000 ppm±20 ppm (0 to 400 ppm)
±1,5 % of reading (401 to 2000 ppm)
±10 % of reading (2001 to 4000 ppm)
1 ppm60 sec
Ambient CO
0 to 4000 ppm±20 ppm (0 - 400 ppm)
±1,5 % of reading (401 to 2000 ppm)
±10 % of reading (2001 to 4000 ppm)
1 ppm60 sec
Determination degree
of effectivity
0 to 120 %-0.1 %-
Exhaust gas loss0 to 99,9 %-0.1 %-

What's Included?

  • Testo 310 Flue Gas Analyser
  • Testo infrared printer
  • 180mm probe with cone
  • Silicon hose for pressure
  • Spare pressure plugs
  • Hard case
  • Particle filters x 5
  • Calibration protocol
  • Rechargeable battery and USB mains charger


  • Measuring instrument, flue gas probe, gas sensors: 24 months
  • Thermocouple: 12 months
  • Rech. batt.: 12 months
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