Piezo Ultrasonic Air Transducer 40 Khz 18mm
SMATR18H40XLK3 - 2 Pc/Set
Manufacturer part number:
48 in stock
Part Number: SMATR18H40XLK3
Our Piezo Air Transducer is Water proof and it is Transmitter/Receiver on the same unit.
Housing Material: Aluminum
Dimensions: 18mm Diameter x 9 mm Height
Nominal frequency fr: 40 KHz
Sound Pressure Level: (1*)
Wires/Connections: 28mm Wires
Sensitivity: =150mV (2*)
Directivity: X:120±10° Y:50±10°° (3*)
Capacitance: 1800pF±10% Pf (4*)
Max. Input Voltage: =140Vp-p
Test Condition: 25±3 °C 40~70% R.H.
Applications, among others, are: Distance Meter, Distance Sensor, Sound Detector, Robot Navigation, Send/Receive data
Notes: Echo Sensitivity =150mV, Decay Time =1.4ms
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