评论信息_日本共立KEW 5402D漏电开关测试仪

.跳脱时间显示在数字显示屏上。.有2个LED指示灯可快速检查接线的正确情形。.精巧、质轻及操作容易。.零交电路可测试0和180°位置时的正弦波，并显示 MIN（BEST）和MAX（WORST）跳脱时间。额定动作电流5/10/30/100/300/500mA故障状态设定×1/2,×1，快速(250mA)故障动作时...

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