Ultrasonic Sensor – 75Khz
The ultrasonic sensors send ultrasonic wave to the air, and detect the ultrasonic echo from the impediment.
The ultrasonic sensors are multipurpose, for example, it used as Burglar alarms, Range finders, Automatic doors，Back sonar of automobiles, Parking meters,Water level meters and so on.
Piezoelectric sensor features :
transmitter and receiver dual use(transceiver in one)
compact and light weight
high sensitivity and sound pressure
less power consumption
type including :
further details please kindly contact us