Compact flue gas probe with 300 mm long probe shaft including particle filter and thermocouple. Bayonet lock ensures quick, easy connection to the measuring instrument.

Compact basic flue gas probe with 180 mm long probe shaft, integrated thermocouple and dirt filter.

Modular flue gas probe, probe length 300 mm, diameter 6 mm, with cone. The testoFix probe holder is available for this probe as an optional accessory. Use this to attach the flue gas probe to the flue gas pipe quickly and securely. The probe hose is shorter (650 mm) and more flexible than before, to make your work easier.

Modular flue gas probe with a probe length of 300 mm and a diameter of 8 mm, with a cone for attaching it in the measurement aperture. However, the flue gas probe can also be securely and reliably attached to the flue gas pipe using the optional testoFix probe holder. The hose between probe and measuring instrument is shorter and more flexible than before, which makes set-up and dismantling significantly easier.

Modular flue gas probe, probe length 180 mm, diameter 6 mm, with a cone for attaching it in the measurement aperture. However, you can also attach this flue gas probe to the flue gas pipe securely and reliably using the testoFix probe holder. New: short, flexible hose for easier handling. &nbsp;

Modular flue gas probe with a probe length of 180 mm and a diameter of 8 mm, including cone and short, flexible hose for straightforward set-up and dismantling. This flue gas probe can also be attached to the flue gas pipe using the optional testoFix probe holder.

Modular flue gas probe with 300 mm long probe shaft, including dirt filter and thermocouple. The quick-change click system enables quick, flexible replacement of the probe shaft.

T&Uuml;V-tested modular flue gas probe with 300 mm long probe shaft including dirt filter and thermocouple. The quick-change click system enables quick, flexible replacement of the probe shaft.

Modular flue gas probe with 180 mm long probe shaft, including dirt filter and thermocouple. The quick-change click system enables quick, flexible replacement of the probe shaft.

With this kit, you will be equipped for the most important measurements involving domestic heating systems: the testo 300 flue gas analyzer is supplied with O2 and CO sensor up to 4,000 ppm, basic flue gas probe, pressure test accesory kit, 2 x pipe temperature clamp probes,testo Bluetooth&reg; Connector, instrument carry case, AC USB power supply.

With this kit, you will be equipped for the most important measurements involving domestic heating systems: the testo 300 flue gas analyzer is supplied with O2 and CO sensor up to 4,000 ppm, basic flue gas probe, testo Bluetooth&reg; Connector, 1x testo 510i bluetooth differential manometer, 2 x testo 115i bluetooth pipe clamp thermometer, instrument carry case, AC USB power supply.

With this kit, you will be equipped for the most important measurements involving domestic heating systems: the testo 300 flue gas analyzer is supplied with O2 and CO sensor up to 4,000 ppm, basic flue gas probe, testo Bluetooth&reg; Connector, 1x testo 510i bluetooth differential manometer, 2 x testo 115i bluetooth pipe clamp thermometer, 1 x testo gas leak detector, instrument carry case, AC USB power supply.

With this kit, you&#39;ll be equipped for the most important measurements involving domestic heating systems alongside flow/return temperature measurements and gas pressure testing: the testo 300+ flue gas analyser is supplied with 5 year lifespan O2 and CO sensor (8,000 ppm H2 compensated), basic flue gas probe, pressure test accesory kit, 2 x wired pipe temperature clamp probes,testo Bluetooth&reg; Connector, instrument carry case, AC USB power supply.&nbsp;

With this kit, you will be equipped to carry out smart measurements involving domestic heating systems, thanks to the bluetooth clamp probes and manometer included: the testo 300+ flue gas analyser is supplied with 5 year lifespan O2 and CO sensor (8,000 ppm H2 compensated), basic flue gas probe, testo Bluetooth&reg; Connector, &nbsp;1x testo 510i bluetooth differential manometer, 2 x testo 115i bluetooth pipe clamp thermometer, instrument carry case, AC USB power supply.

With this kit, you will be equipped to carry out smart measurements involving domestic heating systems whilst identifying gas leaks efficiently, thanks to the bluetooth clamp probes and manometer included: the testo 300+ flue gas analyser is supplied with 5 year lifespan O2 and CO sensor (8,000 ppm H2 compensated), basic flue gas probe, testo Bluetooth&reg; Connector, &nbsp;1x testo 510i bluetooth differential manometer, 2 x testo 115i bluetooth pipe clamp thermometer, 1 x testo combustible gas escape detector, instrument carry case, AC USB power supply.

The testo 327 standard kit + gas leak detector + CPA1 kit offers a complete solution for flue gas analysis, gas leak detection, and CO testing on cookers and flueless appliances. With a bright 4-line LED display, intuitive menu navigation, and durable design, it ensures accurate results for domestic heating systems. The included CPA1 probes allow engineers to safely and efficiently perform CO testing in line with BS7967 standards.

The testo 327 flue gas analyser advanced kit + gas leak detector offers reliable measurement of key combustion values, including O₂, CO, and CO₂. It includes 2x wired temperature clamp probes for measuring flow and return, an IR printer for instant on-site documentation, and a gas leak detector for fast and accurate leak detection. With a bright 4-line LED display, intuitive menu navigation, and durable design, it ensures accurate flue gas analysis for domestic boilers. Tightness and let-by tests can also be performed on the testo 327 with an optional pressure adaptor.

The testo 327 advanced kit + gas leak detector + CPA1 set provides comprehensive combustion analysis, gas leak detection, and targeted CO testing for cookers and flueless appliances. With a bright 4-line LED display, intuitive controls, and durable design, the testo 327 ensures reliable flue gas measurement of O₂, CO, and CO₂. The included gas leak detector features multiple alerts and a flexible probe for quick leak detection, while the CPA1 probe set enables accurate carbon monoxide testing in accordance with BS 7967 standards.

The testo 327 Flue Gas Analyser provides reliable measurement of O₂, CO, and CO₂ for accurate combustion analysis. Its bright 4-line LED display and intuitive navigation ensure easy operation. This kit also includes a gas leak detector for fast and effective leak detection.&nbsp;Tightness and let-by tests can also be performed on the testo 327 with an optional pressure adaptor.

The clear cap allows you to see if condensation is building up inside the probe. Condensation can interfere with accurate readings and needs to be addressed before taking measurements.

Clear Cap - for Flue Gas Probes

Clear Cap - for Flue Gas Probes