U1211AU1212AU1213A双屏显示...计数400040004000模拟条形图12段12段12段真有效值ACACAC+DCDC电压0.1V-1000V(0.5%)0.1V-1000V(0.5%)1mV-1000V(0.2%)AC电压0.1V-1000V(1.0%)0.1V-1000V(1.0%)1mV-1000V(1.0%)DC电流—0.01A-1000A(1.5%)0.01A-1000A(1.5%)AC电流0.1A-1000A(1.0%)0.1A-1000A(2.0%)0.01A-1000A(2.0%)电阻4kΩ(0.5%)4kΩ(0.5%)40MΩ(0.3%)电容0.1μF-4000μF(2.0%)0.1μF-4000μF(2.0%)1nF-4000μF(1.0%)温度—K型(-200至1372℃)K型(-200至1372℃)频率...占空比——.峰值保持...Null函数...)