Quote Originally Posted by Timber View Post
http://www.amazon.com/First-Alert-CO...xp_grid_pt_1_0

Just put batteries in one of the First Alert detectors and you have a meter........

would it work ??
i hope you are joking....

70ppm is a sick and demented standard for arming a co detector.

A low level CO detector would work the way you intend.

being cheap and ignorant will get people killed or injured.