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UA78 C 3 1/2位數字萬用表技術指標
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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 |
| 直流電壓 Voltage Direct Current |
200mV/2V/20V/200V/1000V |
?(0.5% 1) |
| 200mV/20V/200V1000V |
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| 交流電壓 Voltage Alternating Current |
2V/200V/750V |
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| 2V/20V/200V/750V |
?(0.8% 3) |
| 直流電流 Dirict current |
2mA/200mA/20A |
?(0.8% 1) |
| 交流電流 Alternating current |
2mA/200mA/20A |
?(1% 3) |
| 電阻 Resistance |
200Ω/2KΩ/200KΩ//2MΩ/20MΩ |
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| 200Ω/2KΩ/20KΩ//2MΩ/20MΩ |
?(0.8% 1) |
| 電容 Capacitance |
2nF/200nF/200uF |
?(4% 3) |
| 20nF/200nF/20uF/200uF |
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| 溫度 Temperature |
-40℃-1000℃ |
?(0.8% 4) |
| 頻率 Frequency |
2kHz/20kHz |
?(1.5% 5) |
| 電感lnductance |
2mH/20mH/200mH/20H |
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| 二極管測試 Diode test |
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√ |
| 三極管測試 Audion test |
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√ |
| 通斷蜂鳴 Onoff warning |
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√ |
| 低電壓顯示 Low voitage display |
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√ |
| 數據保持 Data hold |
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√ |
| 自動關機 Auto power off |
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√ |
| 功能保護 Functional protection |
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√ |
| 自恢復保險 Self-recovered safety |
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√ |
| 防振保護 Shake-proof protection |
10MΩ |
√ |
| 輸入阻抗 Input impendance |
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√ |
| 背光 Apheliotropism |
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| 采樣頻響 Sampling audio sounding |
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40-400Hz |
| 操作方式Operating mode |
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手動量程 |
| *大顯示 Maximum display |
1999 |
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| 顯示器尺寸 Display size |
66?39mm |
√ |
| 電源 Power supply |
9V blttery(6F22) |
√ |
