SICK WL8G-P2231 Photoelectric Retroreflective Sensor
Information from manufacturer:
Functional principle Photoelectric retro-reflective sensor Functional principle detail Autocollimation Dimensions (W x H x D) 11 mm x 31 mm x 20 mm Housing design (light emission) Rectangular Sensing range max. 0 m … 3 m 1) Sensing range 0 … 1.7 m 1) Type of light Visible red light Light source LED 2) Light spot size (distance) Ø 70 mm (2 m) Wave length 650 nm Adjustment Potentiometer, 270° Special feature Detecting transparent objects Special applications Detecting transparent objects