ThemodelLMV322Aisadual-channelelectronic voltmetersetshavingtwoindependentACvoltmenters inasinglecabinet.Two-pointermeterallowseasydual measurementsandinter-channelcomparisons.Model LMV322Aiswideband.highsensitivevoltmeterforuse anywhereprovidesfrequencyrespondeaswideas5Hz to1MHz.measurablerangefrom300 Vto100V. andinputimpedanceof1M . 特性: Widebandrange:5Hz-1MHz TestingRange:100 V-100V Threescales,mV-dB-dBmwiththreedifferentcolors forreadingeasily Highstabilityandhighconfidence 參數: 電壓檔數:300 V-100V(fullscale)in12range 分貝檔數:-70 +40dBin12Range(0dB=1Vrms) 準確度: 3%offullscaleto1kHzor400Hz 輸入阻抗:1M foreachrange45pForless 頻率響應: 10%at5Hz-1MHz 5%at10Hz-500kHz 3%at20Hz-200kHzasreferencedto1kHzresponse 雜訊：Within2%offullscalebyshorteninginput MaximumInput(DC+ACp-p) 最大輸入電壓:100Vat300 V-1Vrange 500Vat1V-100Vrange 放大輸出:0.1Vrms10% atopenload 輸出阻抗：600 20% 電源供給：AC110V-220V50-60Hz7wattapprox 尺寸:200(W)X190(D)X143(H)mm