Wind sensor is a device used for measuring wind speed and direction based on the time of flight of sonic pulses between pairs of transducers, and is a common weather station instrument.
Wind sensor is a device used for measuring wind speed and direction based on the time of flight of sonic pulses between pairs of transducers, and is a common weather station instrument.
Wind sensor is a device used for measuring wind speed and direction based on the time of flight of sonic pulses between pairs of transducers, and is a common weather station instrument.
A proximity switch is a sensor able to detect the presence of nearby objects without any physical contact, the principle is it often emits a beam of electromagnetic radiation (ultrasonic wave for instance), looks for changes in the field or return signal.