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"Proximity sensor" includes all sensors that perform non-contact detections. They work by converting information on the movement or presence of an object into an electrical signal.
Inductive sensors work by detecting eddy currents, causing the loss of magnetic properties, generated by external magnetic fields on conductive surfaces.
Magnetic sensors utilize magnetic forces for activation. The reed end of the switch is operated by a magnet; when it is turned ON, the sensor is also turned ON. They are commonly used in object detection, such as security checkouts.
Capacitive sensors work by detecting changes in capacitance (the ratio of the amount of electric charge stored on a conductor to a difference in electric potential) between the sensor and an object.
The electrical symbol for a proximity sensor is a graphical representation of the device, providing engineers a quick and clear reference for its position in the circuit without the need for a physical examination.
The symbol is generally depicted as a square with symbols representing the sensor’s components inside.
Adding a symbol for proximity sensors to your schematic drawing is made faster and easier with Capital X Panel Designer! This electrical CAD software features an extensive library of pre-made symbols that can be easily dragged and dropped onto your drawing. You can even copy and paste any symbols you need multiples of, greatly improving your production speed.
Learn more about how to create custom electrical symbols.
Proximity Sensor - Capacitive (2 Wire)
Proximity Sensor - Capacitive (3 Wire)
Proximity Sensor - Inductive (2 Wire)
Proximity Sensor - Inductive (3 Wire)
Please visit the Capital X Panel Designer Community to request this symbol.
If possible, please include the screenshot of the symbol.