What it is – and what the shelf spec means for fit
Omron E3T-CD13 2M is a diffuse reflective sensor, E3T series, infrared 870nm LED. Sensing distance adjustable 3–50 mm, PNP Light-ON output, 500 µs response time. Supply 12-24 VDC, pigtail cable with bare tinned leads. IP67 rating allows washdown if cable entry is sealed; operating range -25°C to +55°C.
Mounting and wiring context
Diffuse sensing: emitter and receiver in same housing; no separate reflector. Adjustable 3–50 mm range per target material. Wiring three-wire PNP: brown (12V ~ 24V), blue (0V), black (output). Use ferrules for spring-clamp terminals.