SICK 1123748
SICK (1123748) WLD4FP-841111A0ZZZ Miniature Photoelectric Sensors: W4F, Sensing Range 0m-4.5m, Photoelectric Retro-Reflective Sensor, PinPoint LED
Functional principle Photoelectric retro-reflective sensor Functional principle detail With minimum distance to reflector (dual lens system) Sensing range Sensing range min. 0 m Sensing range max. 4.5 m Maximum distance range from reflector to sensor (operating reserve 1) 0.015 m ... 4.5 m Recommended distance range from reflector to sensor (operating reserve 3,75) 0.035 m ... 3.9 m Reference reflector Reflector P250 Recommended sensing range for the best performance 0.035 m ... 3.9 m Polarisation filters Yes Emitted beam Light source PinPoint LED Type of light Visible red light Shape of light spot Point-shaped Light spot size (distance) Ø 38 mm (1,000 mm) Maximum dispersion of the emitted beam around the standardized transmission axis (squint angle) < +/- 1.5° (at Ta = +23 °C) Key LED figures Normative reference EN 62471:2008-09 | IEC 62471:2006, modified LED risk group marking Free group Wave length 635 nm Average service life 100,000 h at Ta = +25 °C Adjustment None – Indication LED green Operating indicator Static on: power on LED yellow Status of received light beam Static on: object not present Static off: object present Flashing: Below the 1.5 function reserve