产品规格：档位分辨率误差备注DCA0-40A10mA 1.0% 2dgts DCA0-150A100mA 1.0% 2dgtsDCA150-200A100mA 2.2% 2dgtsDCA200-400A100mA 4.0% 2dgtsACA0-4A1mA 1.5% 3dgts真均方根值(TrueRMS)ACA0-40A10mA 1.0% 3dgts真均方根值(TrueRMS)ACA0-150A100mA 1.5% 3dgts真均方根值(TrueRMS)ACA150-200A100mA 2.2% 3dgts真均方根值(TrueRMS)ACA200-400A100mA 4.0% 4dgts真均方根值(TrueRMS)Hz0-1000KHz0.1-100 0.5% 2dgts灵敏度0.1A，自动换档电源1.5V(UM3)*2电池电源消耗10mA工作温度/湿度-10℃~50℃/85%(最大)