功能 | 量程 | 分辨度 | 不确定度 |
直流电压 | 400.0mV | 0.1mV | ±(0.75%rdg + 10dgt) |
4.000V | 1mV | ||
40.00V | 10mV | ||
400.0V | 100mV | ||
1000V | 1V | ± (1.5%rdg + 10dgt) | |
交流电压 真有效值 | 400.0mV | 0.1mV | 50Hz~400Hz ±(1.0%rdg + 10dgt) 400Hz~2kHz (2kHz以上不考〓核) ±(2.0%rdg + 10dgt) |
4.000V | 1mV | ||
40.00V | 10mV | ||
400.0V | 100mV | ||
750V | 1V | ± (1.5%rdg + 10dgt) (50Hz~400Hz) | |
直流电流 | 40.00/400.0mA | 10µA /100µA | ±(1.2%rdg + 10dgt) |
4.000/20.00A | 1mA /10mA | ||
交流电流 真有效值 | 40.00/400.0mA | 10µA /100µA | ±(1.5%rdg + 10dgt) 50Hz~2kHz (2kHz以上不考核) |
4.000/20.00A | 1mA /10mA | ||
电阻 | 400.0W | 0.1 ? | ±(1.0%rdg + 5dgt) |
4.000kW | 1 ? | ||
40.00kW | 10 ? | ||
400.0kW | 100 ? | ||
4.000MW | 1kW | ||
40.00MW | 10kW | ± (3.0%rdg + 5dgt) | |
电容 | 51.20nF | 1pF | ± (2%rdg + 10dgt) |
512.0nF | 10pF | ± (1%rdg + 3dgt) | |
5.120μF | 100pF | ± (1%rdg + 3dgt) | |
51.20μF | 1nF | ± (1.5%rdg + 3dgt) | |
100.0μF | 10nF | ± (5%rdg + 3dgt) | |
频率 | 5.12Hz ~ 10kHz | 0.1Hz ~ 10Hz | ± (1.0%rdg + 5dgt),(信号幅度不小于1Vp-p,AC V或 20mA RMS, AC A) |
占空比 | 0.1~99.9% (AC 1Vp-p) | ||
二极管测◣试 | 开路电压约1.5 V,最大测试╲电流约1.5mA | ||
通断测试 | 判断电阻:约30? | ||
自动量程切换 | 可以应→用于各测量功能 | ||
量程溢出提示 | “O. L” (Over load) | ||
万用ぷ表测量速率 | 2.5 次/秒 | ||
动态数据窗口 | 主显示保持后继续动态刷◆新实际测量数据 | ||
dB (-80~+80dB)参考阻抗 | 2, 3, 8, 16, 50, 75, 93, 110, 125, 135, 150, 300, 600, 900, 1000, 1200 ? | ||
保险丝规↙格 | Φ5×20,0.5A/250V Φ10×38,20A/500V |