단일/이중 빔 전환 기능이 있는 정품 M-218D 엘리베이터 광전지 적외선 안전 투과형 센서

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January 09, 2026
Video Description:
Want to know how the M-218D elevator photocell ensures reliable anti-pinch safety? This video provides a detailed walkthrough of its infrared through-beam sensor technology, demonstrating how it detects obstacles during door closure and triggers safety signals. You'll see its microcomputer control system in action and learn about its single/dual beam switching for different door applications.