對漏電保護器跳脫動作進行性能測試
微處理器控制,高精度高可靠
LED 檢視線路狀態
數字顯示跳脫時間
當測試電阻器過熱會自動鎖離,停止測試
可用目視檢查電源座內之火線與中性線是否反接
超大數字顯示
面板指示 0 度和 180 度相位選擇
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