SICK IMB30-20NPSVU2S Inductive proximity sensors. SICK IMB30-20NPSVU2S is a inductive proximity sensors in the IMB family. SICK identifies this exact configuration as manufacturer article 1072845. The official technical record specifies Housing: Metric; Standard design; Thread size: M30 x 1.5; Diameter: Ø 30 mm; Sensing range S n: 20 mm; Safe sensing range S a: 16.2 mm; Installation type: Non-flush. The linked SICK data sheet is specific to IMB30-20NPSVU2S.