400 KHz Air Transducer. Water proof and it is Transmitter/Receiver on the same unit. Maximum Operating Voltage 500Vp-p.
Housing Material: AluminumDimensions: 10mm X 7.5mmNominal frequency fr: 400kHz ± 2%Wires/Connections: 7.5mm and 10.5mm contact PinsSensitivity: -80dB min (0dB=100Vp-p. 10Bursts\10cm)Typical Directivity (-6dB): 7±2°Detecting Range: 0.12m ~ 1mDistance Detection: 0.1~0.5mCapacitance: 170pF±20% Max. Input Voltage: =500 Vp-p (2% duty cycle tone burst)Waterproof Class: IP65Working Temperature: -20～70℃Test Condition: 22±3 °C 40~70% R.H.Applications, among others, are: Distance Meter, Distance Sensor, Sound Detector, Robot Navigation, Send/Receive data, location, traffic measurement.Notes: Minimum sensor range: 10cm. Maximum sensor range: 0.5m (Pulse-Echo Mode). Actual range may vary, depending on drive Circuitry and signal processing.