Photocell smoke detector

The two most commonly recognized smoke detection technologies are ionization smoke detection and photoelectric smoke detection. As unthinkable as this seems, that is the harsh reality with the smoke alarms found in most US and Canadian homes. In real-world fatal fires, these alarms . The answer to that question is really two , because there are two quite different kinds of smoke detectors.

Do you know what type of smoke detector you have in your home?

We put them to the test to show you the difference.

Our have some experts sounding an alarm, but not the State Fire Marshal.

When smoke enters the chamber, it scatters the light, which then hits the sensor and triggers the alarm. These detectors are more sensitive to the large . Shop our selection of Photoelectric , Smoke Alarms in the Electrical Department at The Home Depot. Photoelectric alarms are the best type for homes, as shown by CHOICE tests and as recommended by most fire authorities. Photoelectric smoke alarms are usually much faster at detecting smoke from smouldering synthetic material than ionisation alarms. Rossen Reports: Popular smoke alarms may go off too late, experts warn.

Battery operated smoke alarm reduces nuisance alarms from cooking smoke and shower steam due to photoelectric smoke sensing technology, mute feature silences nuisance alarms from cooking smoke or shower steam. Learn about the differences between ionization and photoelectric household smoke detectors , as well as the types of smoke and fires their different technologies are best suited to protect you against. First Alert Wireless Smoke Detector with Battery Backup. These smoke alarms respond faster to larger smoke particles, such as those produced by burning foam, rubber, plastics and other synthetic materials.

They are essential in bedrooms, . DPhotoelectric Smoke Detector. FOR USE WITH INNOVAIRFLEX 4-WIRE DUCT SMOKE DETECTOR. HOUSINGS OR PENDANT MOUNT APPLICATIONS . INSTALLATION AND MAINTENANCE INSTRUCTIONS. Dual alarms and aggregated photoelectric and ionization alarm responses were used to . The dual sensor units still have an ionization type detector which is prone to false alarms from cooking and steam from showers.

People that get false alarms sometimes disable their units by taking out the battery. This week we look at the difference between Ionization and Photoelectric Smoke Alarms . There are two basic types of residential smoke alarms - ionization and photoelectric.