产品名称JY-50电流表产品类别 指针式板表 50系列产品型号JY-50ACA1.精度等级:2.52.交流规格:300mA500mA1A1.5A3A5A7.5A10A15A20A25A30A,大于30A外接次级5A或1A的电流互感器1.精度等级:2.52.直流规格:50uA100uA150uA500uA1mA2mA5mA10mA20mA30mA50mA75mA100mA150mA200mA250mA300mA500mA1A2A3A7.5A10A20A30A50A,大于50A外接50mV,60mV或75mV的外附分流器