SICK VTE18-3F2440 Photoelectric proximity sensor. SICK VTE18-3F2440 is a archive in the V18 family. SICK identifies this exact configuration as manufacturer article 6013440. 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 75 mm; Housing design (light emission): Cylindrical; Housing length: 75 mm; Thread diameter (housing): M18 x 1. The linked SICK data sheet is specific to VTE18-3F2440.