■型號MODEL:KT40-1002A■電性規格ELECTRICALSPECIFICATION: 中心頻率*Centerfrequency(KHz)40.0KHz 1.0KHz發射聲壓級*TransmittingSoundPressureLevel(dB)117min(0dB=0.02mPa)回波靈敏度*ReceiveSensitive(dB)-68min(0dB=1V/ bar)波束角度*-6dBDirectivity(deg)80 余振*Ringing 1.2ms功能*Function發射/接收*Transmitter/Receive電容*capacitance(pF)2500 25﹪允許輸入電壓*AllowableInputVoltage(Vp-p)150(40KHz)使用溫度*OperatingTemperature(℃)-40～80℃存儲溫度*StorageTemperature(℃)-40~+85℃容器材料*Metalsofcase鋁*Aluminum端子*Terminal接插件*Connector重量*Weight(g) ■外廓和角度DIMENSIONSANDDIRECTIVITY: