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防水防尘结构设计(符合IEC60529 IP54) 安全标批准符合IEC61010-1和IEC61557 阻抗值最小时额定测量电流1mA 导通测试电流200mA 自动释放线路中电容电流 带电线路声光报警 小而材质轻，新盒材料抗冲击 交流电压计具有线性，刻度易读 AA R6P×6节干电池
