Fork sensors (also called slot sensors) use through-beam photoelectric technology to detect objects passing through the slot. The rugged one-piece housing keeps the emitter and receiver in alignment and a convenient, single-cable connection is provided. A variety of light sources are available for specialty sensing applications, with sensing distances up to 220mm.
Fork sensors (slot sensors) are U and L-shaped through-beam object detecting sensors that have the transmitter and receiver built into the opposing "fork" arms of the sensor housing.
Fork sensors offer advantages over standard through-beam sensors in certain applications.
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* The Laser Classification Systems for the standards IEC (EN) 60825-1 defines the following safety classes: