SICK GL10-P4551S06 Photoelectric sensors. SICK GL10-P4551S06 is a photoelectric sensors in the G10 family. SICK identifies this exact configuration as manufacturer article 1085726. 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.: 0.1 m ... 8 m 1) 0.1 m ... 6.4 m 2); Sensing range: 0.2 m ... 6 m 1) 0.2 m ... 5.2 m 2). The linked SICK data sheet is specific to GL10-P4551S06.