Position sensor

A position sensor is any device that permits position measurement. It can either be an absolute position sensor or a relative one (displacement sensor). Position sensors can be either linear or angular.

Some position sensors available today:-

• Inductive Non-Contact Position Sensors
• String Potentiometer (aka String Pot)
• Linear variable differential transformer (LVDT)
• Potentiometer
• Capacitive transducer
• Eddy-current sensor
• Hall effect sensor
• Proximity sensor (optical)
• Grating sensor
• Rotary encoder (angular)
• Seismic displacement pick-up
• Piezo-electric transducer(Piezo-electric)
• Photodiode array

Literature

• David S. Nyce: Linear Position Sensors: Theory and Application, New Jersey, John Wiley & Sons Inc. (2003)

Lion Precision: Capacitive Sensor Operation

See also

• Linear encoder
• Rotary encoder