SICK WSE2S-2E3130 Photoelectric sensors. SICK WSE2S-2E3130 is a photoelectric sensors in the W2 family. SICK identifies this exact configuration as manufacturer article 1064588. The official technical record specifies Functional principle: Through-beam photoelectric sensor; 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.: 0 m ... 2.5 m; Sensing range: 0 m ... 2 m; Type of light: Visible red light. The linked SICK data sheet is specific to WSE2S-2E3130.