The AOX2 oxygen and CO<sub>2 </sub> combustion check accessory head is designed for combustion testing and displays flue gas %O<sub>2</sub> temperature and %CO<sub>2</sub>. The unit features a thermocouple and an aspirator pump with water trap and can be used with most of the company’s meters. Measurements can be held in memory when using the “Hold” or “Min/Max” function.

- Fieldpiece