爱德万5450超高电阻/微小电流计
爱德万5450超高电阻/微小电流计两台的塑料面框都坏了，金属框架没问题，第一台开机花屏按键没反应。第二台报ERROR 237和330，可以工作，电压输出正常，测了几个电阻也OK。两台都打开内部看了螺丝标记是没有拆过的，线路板上都有相同的飞线，这些都是原厂的，爱德万的特色了{:142_375:}，两台一起打包6800元，运费顺丰到付，净重约8.5kg/台
第一台
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第二台
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电压10V
https://bbs.38hot.net/data/attachment/album/202404/06/142835qns2dd9ltk6cyqkq.jpg
电压100V
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电压1000V
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1000V，电阻100M
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1000V，电阻1000M
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100V，电阻100M
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100V，电阻1000M
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10V，电阻10M
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10V，电阻100M
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好表，爱德万的维修手册几乎找不到，可惜了
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