Speed sensor
From Wikipedia, the free encyclopedia
Speed sensors are machines used to detect the speed of an object, usually a transport vehicle. They include:
- Wheel speed sensors
- Speedometers
- Pitometer logs
- Pitot tubes
- Airspeed indicators
- Piezo sensors (e.g. in a road surface)
- LIDAR
- Doppler radar
- ANPR (where vehicles are timed over a fixed distance)