SICK IMB12-04BNSVU2K Inductive proximity sensors. SICK IMB12-04BNSVU2K is a inductive proximity sensors in the IMB family. SICK identifies this exact configuration as manufacturer article 1072756. The official technical record specifies Housing: Metric; Short-body; Thread size: M12 x 1; Diameter: Ø 12 mm; Sensing range S n: 4 mm; Safe sensing range S a: 3.24 mm; Installation type: Flush. The linked SICK data sheet is specific to IMB12-04BNSVU2K.