Air Transducer 400 KHz

400 KHz Air Transducer. Water proof and it is Transmitter/Receiver on the same unit. 

Housing Material: Aluminum
Dimensions: 10mm X 7.35mm
Nominal frequency fr: 400kHz ± 5%
Wires/Connections: 0.6mm contact Pin
Sensitivity: -74dB min  (0dB=18Vp-p, Range:10cm)
Transmitting Beam Angle（-3dB): 7±2°
Detecting Range: 0.12m ~ 1m
Capacitance: 200pF±100pF Pf 
Minimum Parallel Impedance: 200Ω±30%
Dead Zone:  ＜0.03m
Max. Input Voltage: =500 Vp-p (2% duty cycle tone burst)
Protection Class: IP65
Working 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, locating, Flow measurement, traffic measurement.

Notes: Minimum sensor range: 12cm. Maximum sensor range: 1m (Pulse-Echo Mode). Actual range may vary, depending on drive Circuitry and signal processing.