Details

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🔍 Basic Overview

• Form: U‑shaped through‑beam (fork) sensor with built-in amplifier 

• Sensing Distance: Fixed 6 mm (0.236″) 

• Minimum Detectable Object: Opaque object ≥ 0.8 × 1.2 mm 

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⚡ Electrical & Output Specs

• Supply Voltage: 5 – 24 V DC (±10%, ≤10 % p‑p ripple) 

• Current Draw: ≤ 15 mA nominal

• Output Configuration:

  • PM‑K45 default: NPN open‑collector, max sink 50 mA, residual voltage ≤ 2 V @50 mA 

  • Variants (e.g. PM‑K45‑P, PM‑K45‑P‑C3): PNP version, same specs 

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⏱️ Performance Characteristics

• Response Time: Output ON ≤ 20 µs; OFF ≤ 80 µs – supports up to ~3 kHz switching 

• Repeatability: Excellent at 0.01 mm 

• Hysteresis: Minimal (~0.05 mm)