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HP 4278A電容計(jì)二手 品牌: | 惠普 | HP HP4278A電容計(jì)Agilent4278A 測(cè)量速度:6.5ms/10ms/21ms 測(cè)量參數(shù):C-D,Q,ESR,G C-D測(cè)量精度:0.07%,0.0005(1kHz,21ms) 0.05%,0.0002(1MHz,21ms)