*NOTE: The testo 310 is recommended for infrequent oil measurements. For frequent oil use, please consider the testo 300.
Measures:
- O2, CO (with built-in NOx filter), CO2
- Undiluted CO (CO air free)
- Ambient CO
- Draft & pressure
- Temperature (flue & ambient)
- Combustion / flue gas efficiency & excess air
Kit includes: