Smoke Alarm Test & Level Monitoring
Smoke Alarm Test & Level Monitoring ********************************************************************************** Relevant Background: " A smoke detector is a device that senses smoke, typically as an indicator of fire . Commercial security devices issue a signal to a fire alarm control panel as part of a fire alarm system , while household smoke detectors, also known as smoke alarms , generally issue a local audible or visual alarm from the detector itself or several detectors if there are multiple smoke detectors interlinked... Smoke detectors in large commercial, industrial, and residential buildings are usually powered by a central fire alarm system, which is powered by the building power with a battery backup. Domestic smoke detectors range from individual battery-powered units, to several interlinked mains-powered units with battery backup; with these interlinked units, if any unit detects smoke, all trigger eve...