SICK WT100-2P3419 Photoelectric sensors. SICK WT100-2P3419 is a photoelectric sensors in the W100-2 family. SICK identifies this exact configuration as manufacturer article 6052379. The official technical record specifies Functional principle: Photoelectric proximity sensor; Functional principle detail: Background suppression; Dimensions (W x H x D): 11 mm x 31 mm x 20 mm; Housing design (light emission): Rectangular; Sensing range max.: 4 mm ... 140 mm 1); Sensing range: 10 mm ... 100 mm 1). The linked SICK data sheet is specific to WT100-2P3419.