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Related

气敏元件测试仪

YYD
YYD over 14 years ago

主要用于中小电子产品企业对场效应管或IGBT的批量测量,筛选。
  1、采用高精度AD,满足测量精度,而高速微处理器和电子开关,使测量工作迅速、高效、宁静。采用国际先进脉冲测量法,可以提供10A~最大75A以上的测试电流,而不会使被测管子发热。有自动均流功能,确保被测管安全。
  2、有自检功能、测量判断功能以及故障报警指示功能,当不是Vmos管时或错插等,测量不能继续。在测量前后,测量插座栅源之间是短路状态,以确保被测量管插入或拔出管座时的安全。
  3、有20A~150A容量选择,即便是选错电流档用最大电流测量小容量管子,也不会损害被测管。
  4、您可以按需要设定分选参数范围。可设定的有:开启电压Ut、跨导Gfs、通态电阻Ron以及极间电容Cir的下限和上限。对于超限的测量,蜂鸣器会报警,并且哪个参数超限,会闪烁提示,用户可以不大理会符合标准的参数具体数据,只在报警时注意闪烁的参数,这样极大的方便了工业批量测量。
5、使用简单,不需要专业知识。
二、主要指标:
  1、测量VMOS管可同时显示:
    通态电阻Ron1~999mΩ(超过999mΩ时,自动转为9.99Ω挡)
    跨导Gfs0~99.9S
    开启电压Ut1~7.5V
    极间电容Cir0.1~9.9(np)
  2、如果您需要,通过辅助功能键,还可以得到:
    a、Cir1%nP精度;
    b、Ut1%V精度;
    c、测量Ron时的:Ids(maxA),Vds(minV);
d、以及测量Ggs时:Ids(A),Vds(V),Vgs(V);
3、10位LED显示。
  4、采用工业开关电源,可以在160V~230V正常工作。
三、机箱:
采用铝合金冷拉型板为框架,支脚可调。工作台有220和3P插座。面板设有容量选择,以及220/3P选择。
四、测量实例:(测试条件可以按辅助键得到)
例1:IRF3205
Ron5m欧测试条件:Ids=74.6A,Vds=0.44V
Cir3.14nP测试条件:Vgs=0,Vds=10V
Ut2.91V测试条件:Vds=10V,Ids=1mA
Gfs27.9S测试条件:Ids=35.5A,Vds=6.44V,Vgs=5.15V

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