SICK VTB18-0P0240S01 Photoelectric proximity sensor. SICK VTB18-0P0240S01 is a archive in the V18 family. SICK identifies this exact configuration as manufacturer article 6032862. The official technical record specifies Functional principle: Photoelectric proximity sensor; Functional principle detail: Background suppression; Dimensions (W x H x D): 18 mm x 18 mm x 79.4 mm; Housing design (light emission): Cylindrical; Housing length: 79.4 mm; Thread diameter (housing): M18 x 1. The linked SICK data sheet is specific to VTB18-0P0240S01.