SICK WTB2SC-2P3244B05 Photoelectric sensors. SICK WTB2SC-2P3244B05 is a photoelectric sensors in the W2 family. SICK identifies this exact configuration as manufacturer article 1120664. The official technical record specifies Functional principle: Photoelectric proximity sensor; Functional principle detail: Background suppression; Dimensions (W x H x D): 7.7 mm x 21.8 mm x 13.5 mm; Housing design (light emission): Rectangular; Sensing range max.: 4 mm ... 110 mm 1); Preset sensing range: 45 mm. The linked SICK data sheet is specific to WTB2SC-2P3244B05.