An Analog Proximity Sensor is a type of proximity sensor that doesn’t just say “object detected” or “not detected” like a normal (digital) proximity sensor — instead, it provides a continuous output signal (voltage or current) that varies according to the distance between the sensor and the object. How it works Sensing PrincipleThe sensor can […]

A Capacitive Proximity Sensor is a non-contact sensor that detects both metallic and non-metallic objects by sensing changes in capacitance. How it works Electrostatic Field CreationThe sensor has two conductive plates (one is the sensing electrode, the other is the ground reference). An oscillator applies voltage, creating an electrostatic field in front of the sensor […]

An Inductive Proximity Sensor is a type of non-contact sensor that detects the presence of metallic objects by using electromagnetic fields. Here’s the breakdown: How it works Electromagnetic Field CreationInside the sensor, there’s a coil powered by an oscillator, creating an alternating electromagnetic field at the sensing face. Metal DetectionWhen a metal object enters this […]