PROVA11檔位分辨率误差备注DCA0-4000mA1mA 2% 3位数DCA0-30A10mA 2% 3位数ACA0-400mA0.1mA 1.5% 5位数真均方根值(TrueRMS)ACA0-4000mA1mA 2% 5位数真均方根值(TrueRMS)ACA0-30A10mA 2.0% 5位数真均方根值(TrueRMS)DCV0-400V0.1V 1.0% 2位数ACV0-400V0.1V 1.5% 4位数真均方根值(TrueRMS)电源1.5V(UM3)*2电池电流消耗10mA工作温度/湿度-10℃~50℃/85%(最大)