Dirt inside the sensing chamber can cause the smoke alarm to make sounds even when there isn't smoke. The dirt can interfere with the sensor, which can cause intermittent chirps or false alarms. Check the cleaning instructions for your alarm before you try to remedy the situation. If you ha...
That extra warning time can mean the difference from light damage to a total loss in an emergency. Sadly at the moment, there's no one smart smoke detector that really stands out. Our favorite for a few years running has been the Nest Protect. It's the most full-featured alarm, ...
Using strong chemicals and aerosols near your smoke alarm can be another unexpected cause of false alarms. Products like aerosol sprays, heavy perfumes, or even strong cleaning agents can trigger your smoke alarm if used in close proximity. Always ventilate the area well when using these products....
the received light signal is enhanced due to the scattering effect. When the smoke and dust reach a certain concentration, an alarm signal can be output. In order to reduce interference and reduce power consumption, the transmitting circuit adopts intermittent operation, which can increase the servi...
See Alarm Module Instructions for specifications. Reset Button Operation The table below explains what action the control will take when the reset button is pressed for different lengths of time during the various burner operating states. Table 4 - Reset Button Operation If the burner is in the ...
In a double-blind randomized cross-over study, 16 healthy male fire fighters were exposed to wood smoke (~1 mg/m3 particulate matter concentration) or filtered air for one hour during intermittent exercise. Arterial pressure and stiffness were measured before and immediately after exposure, and for...