數(shù)字式絕緣電阻測試儀2/單量程2406D51(無照明)125V/200M 250V/200M 0-300V31/2位LCD自動(dòng)放電61(LED照明)52(無照明)125V/200M 0-300V62(LED照明)125V/200M 0-300V53(無照明)250V/200M 0-300V63(LED照明)250V/200M 0-300V54(無照明)500V/200M 0-600V64(LED照明)500V/200M 0-600V55(無照明)1000V/2000M 0-600V65(LED照明)1000V/200M 0-600V57(無照明)500V/2000M 0-600V67(LED照明)500V/2000M 0-600V