Independently tested to EN50379. Meets the requirements of BS7967 and Gas Safe TB143
Longlife sensors lasting up to 6 years
Dilution to 30,000ppm CO
Optional NO sensor upgrade
testo 330-2LL (O2 and COH2) flue gas set for service technicians and inspectors, with bluetooth (for connectivity for the testo combustion app), battery and calibration protocol, mains unit 100-240 V for mains operation or charging the battery in the instrument and combustion air temperature probe (length 190mm). Also includes USB connection cable, flue gas probe (length 300mm diameter 8mm) and carry case.
Delivery time: 3 – 5 working days