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UA78 C 3 1/2位数字万用表技术指标
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UA78 C 3 1/2 Bit Digital Multimeter Technological lndicator
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| 基本功能 Basic function |
量程 range |
精度 basic precision |
| UA78C |
| 直流电压 Voltage Direct Current |
200mV/2V/20V/200V/1000V |
?(0.5% 1) |
| 200mV/20V/200V1000V |
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| 交流电压 Voltage Alternating Current |
2V/200V/750V |
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| 2V/20V/200V/750V |
?(0.8% 3) |
| 直流电流 Dirict current |
2mA/200mA/20A |
?(0.8% 1) |
| 交流电流 Alternating current |
2mA/200mA/20A |
?(1% 3) |
| 电阻 Resistance |
200Ω/2KΩ/200KΩ//2MΩ/20MΩ |
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| 200Ω/2KΩ/20KΩ//2MΩ/20MΩ |
?(0.8% 1) |
| 电容 Capacitance |
2nF/200nF/200uF |
?(4% 3) |
| 20nF/200nF/20uF/200uF |
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| 温度 Temperature |
-40℃-1000℃ |
?(0.8% 4) |
| 频率 Frequency |
2kHz/20kHz |
?(1.5% 5) |
| 电感lnductance |
2mH/20mH/200mH/20H |
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| 二极管测试 Diode test |
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√ |
| 三极管测试 Audion test |
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√ |
| 通断蜂鸣 Onoff warning |
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√ |
| 低电压显示 Low voitage display |
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√ |
| 数据保持 Data hold |
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√ |
| 自动关机 Auto power off |
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√ |
| 功能保护 Functional protection |
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√ |
| 自恢复保险 Self-recovered safety |
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√ |
| 防振保护 Shake-proof protection |
10MΩ |
√ |
| 输入阻抗 Input impendance |
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√ |
| 背光 Apheliotropism |
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| 采样频响 Sampling audio sounding |
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40-400Hz |
| 操作方式Operating mode |
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手动量程 |
| *大显示 Maximum display |
1999 |
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| 显示器尺寸 Display size |
66?39mm |
√ |
| 电源 Power supply |
9V blttery(6F22) |
√ |
