■型号MODEL:KT40-R1201■电性规格ELECTRICALSPECIFICATION: 中心频率*Centerfrequency(KHz)40.0KHz 1.0KHz发射声压级*TransmittingSoundPressureLevel(dB)100min(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接收*Receive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(℃)-40~+85℃容器材料*Metalsofcase铝*Aluminum端子*TerminalPIN重量*Weight(g)0.6g