A smoke detector is an electronic fire-protection device that automatically senses the presence of smoke, as a key indication of fire, and sounds a warning to building occupants. Commercial and ...

Do you know what type of smoke alarms you have in your house? There are two basic types of residential smoke alarms - ionization and photoelectric. The vast majority of smoke alarms in use today are ...

The RE46C121 is low power CMOS ionization type smoke detector IC. With few external components, this circuit will provide all the required features for an ionization type smoke detector. An internal ...

The RE46C114 is an ionization type smoke detector integrated circuit designed for applications employing ionization type chambers to detect smoke. It features guard outputs for ion detector input, ...

Not all smoke detectors are equal, and the type of smoke detector installed in many homes might not sound off in all fires. Smoke alarm manufacturers sell alarms with two types of technology.

Ionization smoke alarms use a battery and two metal plates, called electrodes, to create an electrical circuit. Ions are tiny, electrically charged particles that flow through the circuit and between ...

All major DIY stores have agreed to stop selling ionisation smoke alarms following a request from Consumer NZ. A recent Consumer NZ test of smoke alarms found ionisation-type smoke alarms performed so ...