System Sensor of St. Charles, Ill., has launched its i 4 Series combination carbon monoxide (CO)/smoke detector and integration module. Available in two-wire and four-wire versions, the low-voltage, ...

St. Charles, IL (April 1, 2013) – System Sensor today announced that it has launched its new i 4 Series Combination CO/Smoke Detector and Integration Module. The i 4 Series is the first low-voltage, ...

Installing and maintaining smoke and carbon monoxide (CO) detectors can save your life. Fortunately, they’re inexpensive and easy to put in place. Basic smoke detectors cost as little as $15 and ...

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 ...

At the heart of this ultra simple smoke alarm is H21A1, which is a photo-interrupter module consists of a gallium-arsenide infrared LED coupled to a silicon phototransistor in a plastic housing. The ...

One of the highest-volume products used in homes, commercial buildings, and factories is the smoke detector. Smoke detectors are mandated by government everywhere, so almost everyone has one.

Juan has been a home inspector for 10 years and runs a successful home inspection company in Richmond, VA. He loves inspecting homes, but his real passion is educating home owners and newer inspectors ...

A smoke alarm went off on Russia's Zvezda ISS module on Thursday morning. The ISS air purification system was switched on and the crew is safe, per Russia's space agency. One report said the crew ...