特點(diǎn):1.高靈敏度,高精度,一致性好,工作穩(wěn)定。2.外觀精致小巧,供用戶多選擇。3.用于防盜,防災(zāi),測(cè)距,漸近開關(guān),倒車?yán)走_(dá)。■型號(hào)MODEL:KT40-1602E■電性規(guī)格ELECTRICALSPECIFICATION:中心頻率Centerfrequency(KHz)40.0 1.0發(fā)射聲壓級(jí)TransmittingSoundPressureLevel(dB)(30cm/10VrmsSineWave) 96回波靈敏度ReceiveSensitive(dB)dB/v/ bar (0dB=V/Pa) -85波束角度-6dBDirectivity(deg)(o)75 10余振Ringing(ms) 1.2功能Function發(fā)射/接收Transmitter/Receive電容capacitance(pF)(25℃)2000 15%允許輸入電壓AllowableInputVoltage(Vp-p)(40KHz)150使用溫度OperatingTemperature(℃)-40~+80存儲(chǔ)溫度StorageTemperature(℃)-40~+85容器材料Metalsofcase鋁/塑料Aluminum/Plastics端子Terminal接插件Connector重量Weight(g)40.0長(zhǎng)度Length(mm)2500 20顏色Color黑色■ 外廓和角度DIMENSIONSANDDIRECTIVITY: