Datasheet

Waterproof type ultrasonic sensor
A-18P20 (Artikel-Nr. 182258)
SPECIFICATIONS:
Item
Unit Standard
Test condition: T=255°C
Function
Transmitting and receiving
Terminal Pin
Housing Material Aluminium
Center frequency KHz 401.0
Transmitting S.P.L. dB >106
At 30cm/10Vrms Sine Wave 0dB=0.0002µ
bar
Receiving Sensitive dB >-74 At 1V/µ bar
Directivity Deg 8015 At “-6 dB” attenuation
Capacitance PF 180020% At 1KHz
Allowable Input Voltage (Vp-P) V 140 At 40KHz Pulse width 0.4ms interval 10ms
Operating temperature °C -40~+80
Storage temperature °C -40~+85
Dimensions : Directivity:
(Unit: mm)
Picture:
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