Piezo Air Transducer Part Number: SMATR10H40X80 Our Piezo Air Transducer is Water proof and is a Transmitter/Receiver.  Housing Material: Aluminum Dimensions: 10mm Diameter Nominal frequency fr: 40 KHz Sound Pressure Level: 100 dB  (1*)

Wires/Connections: 1/2" Pins Sensitivity: -95 min dB (2*) Directivity: Vert.80±15 -Horiz. 80±15° (3*) Capacitance: 1800pF ±15% Pf (4*) Max. Input Voltage: 140 Vpp Test Condition: 23±3 °C 40~70% R.H. Drawings: , Applications, among others, are: Distance Meter, Distance Sensor, Sound Detector, Robot Navigation, Send/Receive data Notes: The decay time is about 2.1ms Old Part Number: 1* => Sound pressure level: 0dB=2x10ˉ µ bar 2* => Sensitivity: 1V/ſbar 3* => Directivity is a typical value. It can be changed by operating circuit and fixing method of the transducer. 4* => at 1KHz

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