However, they can generally be characterized by whether they operate on household current or batteries. Detectors powered by batteries typically use a passive sensor that reacts to the prolonged exposure to Carbon Monoxide gas. Gives continuous display of CO levels updated every few minutes. Detector sensor becomes more sensitive with age. May require removal of sensor pack.
Reaction time depends on concentration level and duration of exposure.
Display information is limited. Can be placed anywhere needed. Cause Preventive Action Inadequate fresh air venting of the home. Have a heating contractor install a fresh air makeup system in the home. Running gas powered equipment or automobiles in a home or garage.