基本特性U1251AU1252A位数4.5位4.5位显示分辨率50000计数50000计数真正的RMSACAC+DC自动/手动量程调节自动/手动量程调节自动/手动量程调节模拟条线图有有背光有有交流带宽30kHz100kHz输入阻抗10MΩ10MΩ波峰因数33量程0.001mV-1000V0.001mV-1000V基本精度0.60%0.40%量程0.001mV-1000V0.001mV-1000V基本精度0.030%0.025%量程0.01uA-10A0.01uA-10A基本精度0.80%0.70%量程0.01uA-10A0.01uA-10A基本精度0.10%0.05%量程0.01Ω-50MΩ0.01Ω-500MΩ基本精度0.08%0.05%范围0.001Hz-1MHz0.001Hz-20MHz基本精度0.02%0.02%量程0.001nF-100mF0.001nF-100mF基本精度1.00%1.00%量程-200°C至+1372°C-200°C至+1372°C基本精度0.3%0.3%导通蜂鸣器有有二极管测试