24
CO A
LARM
CI 200
Reaction Times of the CO Alarm
The following table indicates the reaction times of the CO alarm according to the levels
of carbon monoxide.
Concentration* Time Until CO Alarm is Triggered
Up to 50 ppm
Approx. 2 hours
Up to 100 ppm
Approx. 1 to 1.5 hours
Up to 300 ppm
Approx. 10 to 40 minutes
From 300 ppm
Max. 3 minutes
* The concentration indicates the levels of carbon monoxide in the ambient air in
ppm
(parts
per million).