Part Number: SMATR10H40X80Our Piezo Air Transducer is Water proof and it is Transmitter/Receiver on the same unit. Housing Material: AluminumDimensions: 10mm DiameterNominal frequency fr: 40 KHzSound Pressure Level: 105 dBWires/Connections: 1/2" PinsSensitivity: -95 min dBDirectivity: Vert.80±15 -Horiz. 80±15° (1*)Capacitance: 1800pF ±15% Pf (1*)Max. Input Voltage: 120 VppTest Condition: 23±3 °C 40~70% R.H.Applications, among others, are: Distance Meter, Distance Sensor, Sound Detector, Robot Navigation, Send/Receive dataNotes: The decay time is about 2.1ms1* => Directivity is a typical value. It can be changed by operating circuit and fixing method of the transducer.2* => at 1KHz
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