Santron Systems India supplies Proximity Sensor. Santron Systems India offers different types of photo electric sensor, optical fibre sensors, color mark sensors, level sensors etc. Technical Specifications of Proximity Sensor are: Proximity Size M4 to M80 Factors one for all metals. NPN / PNP / NO NC AC/DC Versions in a single model. Extended sensing range proximity sensors. High temperature sensors. Water proof sensors. Namur Sensors for hazardous areas. Captive sensors. Magnetic sensors. Level sensors. Tilt sensors.