生产厂家：日本三和SANWA产品说明：ACA/DCA可测量至400A;DC电流读数归零按钮;导通蜂鸣;数字万用表功能;相对测量;数据保持.ACA40/400A (2%rdg+10dgt):50Hz~500HzDCA40/400A (2.5%rdg+10dgt)ACV400/600V (1.5%rdg+5dgt):50Hz~500HzDCV400/600V (1%rdg+2dgt) 400 (1%rdg+2dgt)ClampMeterDCM400AD--400ACA/DCA DMMfunctions(ACV+DCV+ ) ■Autorange■OnepushzeroadjustmentforDCA■Relativemeasurement■Datahold■Rangehold■Cont.buzzer■Autopoweroff■Lowpowerindication■DMMfunction