ET2677A‖ET2677-30‖ET2677-50‖ET2677-50A‖ET2677-100型超高压耐压测试仪:型号输出电压漏电流范围测试时间精确度ET2677ADC:0~30kVDC:1~2mA/10mA定时设定:1~99s 5%ET2677-30AC/DC:0~15kV/0~30kV自动升压AC:1~2mA/20mADC:1~2mA/10mA 定时设定:1~99s 5%ET2677-50AC:0~50kV自动升压AC:1~2mA/20mA定时设定:1~99sAC:5kV~50kV 5%ET2677-50AAC/DC:0~50kV自动升压AC:1~2mA/20mADC:1~2mA/10mA 定时设定:1~99sAC/DC:5kV~50kV 5%ET2677-100AC:0~100kV自动升压AC:1~2mA/20mA定时设定:1~99sAC:10kV~100kV 5%