accessing . . .

accessing . . .

Home Care Library

Smoke Detectors

Smoke Detectors

image of smoke detectors A smoke detector is a device that detects the presence of smoke, typically as an indicator of fire.

Smoke Detectors that are properly installed and maintained play a critical role in reducing home fire deaths and injuries.

Smoke detectors (smoke alarms) generally come in two designs based on the type of smoke sensors they use: "photo-electric" sensors or "ionization" sensors. A photo-electric detector uses a tiny light source that shines on a light-sensitive sensor. The alarm is triggered when smoke particles from a fire breaks the beam of light. An ionization detector uses an extremely small quantity of radioactive material to make the air inside the smoke detector conduct electricity. Smoke particles from a fire interfere with the electrical current, and therefore triggers the alarm.

See also:

CO Detectors.

Shown in the 'Routine Care' section are the recommended routine maintenance tasks for your smoke detectors. The 'Q & A' section shows answers to common questions. And the 'Articles' section provides helpful articles about your smoke detectors.

Smoke Detectors

Home Inspections, Asbestos Inspections, Mold Assessor, Naca, 203k HUD and Radon Inspections