SICK VT18-2T1132 Photoelectric proximity sensor. SICK VT18-2T1132 is a archive in the V18 family. SICK identifies this exact configuration as manufacturer article 6011371. The official technical record specifies Functional principle: Photoelectric proximity sensor; Functional principle detail: Energetic; Dimensions (W x H x D): 18 mm x 18 mm x 88 mm; Housing design (light emission): Cylindrical; Housing length: 88 mm; Thread diameter (housing): M18 x 1. The linked SICK data sheet is specific to VT18-2T1132.