■型号MODEL:KT40-T1602■电性规格ELECTRICALSPECIFICATION: 中心频率*Centerfrequency(KHz)40.0KHz 1.0KHz发射声压级*TransmittingSoundPressureLevel(dB)105min(0dB=0.02mPa)回波灵敏度*ReceiveSensitive(dB)-68min(0dB=1V/ bar)波束角度*-6dBDirectivity(deg)50 余振*Ringing 1.2ms功能*Function发射*Transmitter电容*capacitance(pF)2200 25﹪允许输入电压*AllowableInputVoltage(Vp-p)150(40KHz)使用温度*OperatingTemperature(℃)-40~80℃存储温度*StorageTemperature(℃)-35~+80℃容器材料*Metalsofcase铝*Aluminum端子*TerminalPIN重量*Weight(g)2.5g■外廓和角度DIMENSIONSANDDIRECTIVITY: