Q.
How does temperature affect the measurement?
- Sensors and Sensor Systems >
- Ultrasonic Sensors >
- Ultrasonic Sensor Disks /
- Ultrasonic ToF (Time-of-Flight) Sensors
A. The speed of sound in air depends on the temperature and can be approximated as c = 331 m/s + 0.6 * T. Since the output signal of the sensor is the time of flight, the temperature should be compensated.
