Intech Systems Chennai / CC BY 3.0 Photoelectric sensors can be categorized into various types based on how the device components are incorporated. Through beam (or opposed mode) sensors incorporate a ...

When smoke particles disrupt the light beam, the sensor sets off the alarm ... technologies — ionization and photoelectric — ...

The most common types of safety sensor switches are break-a-beam switches, interlocks, and tag out devices, perimeter guards, photoelectric safety sensors, safety blocks, safety interlock switches, ...