Omron E3FC-RP21 retroreflective photoelectric sensor, 4 m range, current production, 1.36 kg.
| Parameter | Value |
|---|---|
| Weight | 1.36 kgs |
The Omron E3FC-RP21 is a retroreflective photoelectric sensor with a 4 m sensing range — the distance it reliably detects an object between the emitter and a reflector. Retroreflective means the emitter and receiver sit in the same housing; the beam bounces off a reflector placed opposite. This simplifies wiring compared to through-beam setups (no separate receiver to mount) while still giving a defined detection zone.
The Omron E3FC-RP21 has a 4 m retroreflective sensing range. The sensor detects an object that breaks the beam between the emitter and a reflector placed 4 m away.
Yes — retroreflective operation requires a reflector mounted opposite the sensor. The 4 m range is measured with the correct Omron reflector; using a different reflector may reduce the effective range.
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