开放式超声波传感器分为发射型、接收型和收发一体型三类,具有测量范围大,抗干扰能力强的特点,主要用于超声波测距装置(如测距仪)、防盗报警装置及玩具和其它电子设备的遥控装置等。 ■MODEL: KT40-TR1601 ■ELECTRICAL SPECIFICATION: Center frequency(KHz) 40.0KHz±1.0KHz Transmitting Sound Pressure Level(dB) 117min(0dB=0.02mPa) Receive Sensitive(dB) -68min(0dB=1V/μbar) -6 dB Directivity (deg) 50° Ringing ≤1.2ms Function Transmitter / Receive capacitance (pF) 2200±25﹪ Allowable Input Voltage(Vp-p) 150(40KHz) Operating Temperature (℃) -40~80℃ Storage Temperature (℃) -40~+85℃ Metals of case Aluminum Terminal PIN Weight(g) 2.6g