SICK GL10-P4531S10 Photoelectric sensors. SICK GL10-P4531S10 is a photoelectric sensors in the G10 family. SICK identifies this exact configuration as manufacturer article 1102889. The official technical record specifies Functional principle: Photoelectric retro-reflective sensor; Functional principle detail: With minimum distance to reflector (dual lens system); Dimensions (W x H x D): 20 mm x 50 mm x 39 mm; Housing design (light emission): Rectangular; Sensing range max.: 0.15 m ... 17 m 1) 0.15 m ... 5 m 2); Sensing range: 0.3 m ... 14 m 1) 0.3 m ... 4 m 2). The linked SICK data sheet is specific to GL10-P4531S10.