An assembled ultrasonic sensor is a specially assembled unit for parking assistant system consists of pure sensor, rubber ring, plastic shell and cable. It is a key component of reversing radar and can be connected with the signal processing module directly.
Center frequency | 40±1.0KHz | |
Echo sensitivity | ≥200mV | |
Decay time | ≤1.2ms | |
Directivity | 110±15° | X-axis |
75±10° | Y-axis | |
Capacitance | 2000±15%pF | |
Input voltage | ≤140Vp-p | 40KHz, pulse width 0.5ms, interval 20ms |
Mean time to failure | 50000h | |
Operating temperature | -40~+80℃ | |
Storage temperature | -40~+85℃ |
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