Photoelectric smoke detector and smoke detector which good?

The current household smoke alarm the mainstream market is divided into two kinds: ion type smoke alarm and photoelectric smoke alarm (click to view more smoke alarm type).

Each kind of smoke alarms to test standard room business of insurance, but they each has advantages. The smoke alarm ion smoke particles on tiny induction to be faster, while the photoelectric smoke alarm smoke particles on larger induction and rapid.

When the flames, the tiny particles in the air more smoke, such as newspaper combustion. But when the smoke particles smoldering, slightly larger in the air will be more, such as sofa cloth combustion. If after the fire, the tiny particles of smoke, smoke alarm ions than photoelectric smoke alarm to alert. These two kinds of smoke alarm time interval is not big, but the fire spread very quickly, this type of site recommended to install smoke alarms better ion. Another class of smoldering fire occurs, produced a slightly greater amounts of smoke particle, photoelectric smoke alarm than ionic smoke alarm alarm first, places like that proposed installation of photoelectric smoke alarm. If you want to use the strengths of both have both at the same time, you can smoke alarm installation in place requires two kinds of smoke alarm installed.