钳形电流表DCM400参数、特点、说明钳形电流表DCM400日本SANWA(三和)DCM400钳形电流表:量程自动选择频率测量数据保持量程锁定通短蜂鸣低电量指示自动关机ACA40/400A (1.9%rdg+5dgt):50Hz~60Hz (2.5%rdg+5dgt):60Hz~500HzACV400/600V (1.5%rdg+5dgt):50Hz~500HzDCV400/600V (1.0%rdg+2dgt) 400 (1%rdg+2dgt)Frequency(A)20~4k/10kHz (0.1%rdg+1dgt)