99彩票
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H22插座测试仪
技术指标：
¨遵从国际安全标准IEC1010-1 CATII 600V
¨直接而直观的测试
¨清晰的显示插座线路状态
¨ 正确
¨ 缺少地线
¨ 地线/相线反接
¨ 缺少中性线
