SICK VL180-2P42438 Photoelectric sensors. SICK VL180-2P42438 is a photoelectric sensors in the V180 family. SICK identifies this exact configuration as manufacturer article 6043838. The official technical record specifies Functional principle: Photoelectric retro-reflective sensor; Functional principle detail: With minimum distance to reflector (dual lens system); Dimensions (W x H x D): 18 mm x 18 mm x 84.2 mm; Housing design (light emission): Cylindrical; Housing length: 84.2 mm; Optical axis: Radial. The linked SICK data sheet is specific to VL180-2P42438.