Pioneer Digital Technologies offers Proximity Sensor. Pioneer Digital Technologies is the manufacturer of high-tech digital machinery products. Proximity Sensor are available in the following models: Inductive Capacitive Difuse Scan Through Beam U-Shaped Other features of Proximity Sensor are: Size M-8,M-12,M-18, M-30 Count 2,5,10,15,100, 200 mm, 5Mtr, 15Mtr.