防尘、防水设计!定时功能!检测相序!低阻值测量!SK-3310SK-3315SK-3320SK-3322絶縁阻抗额定电压/阻抗25V/5M 125V/20M 250V/50M 250V/50M 50V/10M 250V/50M 500V/100M 500V/100M 125V/200M 500V/1000M 1000V/2000M 1000V/2000M 有効測量範囲0.005~5M 0.02~20M 0.05~50M 0.05~50M 0.01~10M 0.05~50M 0.1~100M 0.1~100M 0.2~200M 1~1000M 2~2000M 2~2000M 中间值0.1M 0.5M 1M 1M 0.2M 1M 2M 2M 5M 20M 50M 50M 无负载额定差额定电压1.3倍以下额定测量電流1mA~1.2mA短路電流2mA以下交流電圧0~300V0~600V0~600V0~600V相序检测n/an/an/a正相:绿色LED反相:红色LED电压范围:交流50V~500V频率范围:50Hz/60Hz精度絶縁电阻第1有効測定範囲;指示値 5%第2有効測定範囲;指示値 10%交流電圧 3%定时約3分钟尺寸、重量169X148X50mm,580g