The TESTO 300 LL flue gas analyser standard kit 2 is a professional combustion analysis toolset designed for heating engineers and service technicians who require accurate flue gas measurements and reliable performance during boiler commissioning, servicing and diagnostic work. Based on the rugged Testo 300 analyser platform, this kit measures key combustion gases such as oxygen (O₂), carbon monoxide (CO) and calculated carbon dioxide (CO₂), allowing you to assess combustion quality, verify burner tuning, check efficiency and confirm safe operation of gas, oil or LPG-fired appliances. Built for daily field use, the instrument combines durable construction with intuitive operation to support efficient, compliant flue gas analysis.

This standard kit typically includes the Testo 300 analyser, a flue gas sampling probe and hose, temperature and pressure measurement accessories, and essential leads needed for connection to various boiler flues and exhaust systems. While it does not include a printer, it enables comprehensive on-site measurement that can be documented via the Testo Smart App when paired with a compatible mobile device, streamlining data logging, reporting and historical record-keeping.

Key features of the TESTO 300 LL flue gas analyser standard kit 2 include precise multi-gas measurement for combustion analysis, rugged handheld design suited to everyday professional use, Bluetooth connectivity (where supported) for wireless data transfer, comprehensive accessory set for versatile flue access and diagnostics, and dependable performance when used by qualified heating engineers. This kit helps technicians verify safe, efficient combustion and troubleshoot performance issues across a wide range of domestic and light commercial heating systems.