SICK GTB10-R3822 Photoelectric sensors. SICK GTB10-R3822 is a photoelectric sensors in the G10 family. SICK identifies this exact configuration as manufacturer article 1065864. The official technical record specifies Functional principle: Photoelectric proximity sensor; Functional principle detail: Background suppression; Dimensions (W x H x D): 20 mm x 50 mm x 51.5 mm; Housing design (light emission): Rectangular; Sensing range max.: 20 mm ... 1,200 mm 1); Type of light: Infrared light. The linked SICK data sheet is specific to GTB10-R3822.