The testo 317-1 quickly and efficiently detects escaping flue gases at the source. Flue gas escaping from a burner is caused by equipment failure and is an indicator of CO in the living space; this will trigger an audible and optical alarm.

Features:

-          Safe CO warning

-          Adjustable alarm thresholds

-          Audible & optical alarm

-          Automatic zero-point adjustment

-          Data documentation on site with the fast printer (option)

-          TopSafe cover protects from dirt, water and impact