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4300C 是應對馬達、變壓器、保險絲、連接器、斷路器、搭接/焊接電阻以及許多其他應用相關的超低電阻測試要求的完美儀器。4300C 數位微歐姆計可測量各種低電阻裝置,範圍從 100nΩ 到 20kΩ。4300C 具備靈活的測量格式,提供六個檔位的用戶可選測試電流(從 0.1mA 到 10A)和三種電壓靈敏度設定(20mV、200mV 和 2V)。
| Range | Test Voltage | Full Scale | Resolution | Test Current1 | Accuracy2 (± % reading ± Ω) |
Temperature Coefficient3 | TCM Mode Accuracy4 (± % reading ± % ΔT) |
|---|---|---|---|---|---|---|---|
| 2mΩ | 20mV | 2.0000mΩ | 100nΩ | 10A | ± .06 ± .0006m | ±50ppm/°C | ± .11 ± .0006m |
| 20mΩ | 20mV | 20.000mΩ | 1µΩ | 1A | ± .04 ± .006m | ±50ppm/°C | ± .09 ± .006m |
| 200mΩ | 20mV | 200.00mΩ | 10µΩ | 0.1A | ± .04 ± .06m | ±50ppm/°C | ± .09 ± .06m |
| 2Ω | 20mV | 2.0000Ω | 100µΩ | 10mA | ± .04 ± .0006 | ±50ppm/°C | ± .09 ± .0006 |
| 20Ω | 20mV | 20.000Ω | 1mΩ | 1mA | ± .04 ± .006 | ±50ppm/°C | ± .09 ± .006 |
| 200Ω | 20mV | 200.00Ω | 10mΩ | 0.1mA | ± .04 ± .06 | ±50ppm/°C | ± .09 ± .06 |
| 20mΩ | 200mV | 20.000mΩ | 1µΩ | 10A | ± .06 ± .003m | ±50ppm/°C | ± .11 ± .003m |
| 200mΩ | 200mV | 200.00mΩ | 10µΩ | 1A | ± .04 ± .03m | ±50ppm/°C | ± .09 ± .03m |
| 2Ω | 200mV | 2.0000Ω | 100µΩ | 0.1A | ± .04 ± .0003 | ±50ppm/°C | ± .09 ± .0003 |
| 20Ω | 200mV | 20.000Ω | 1mΩ | 10mA | ± .04 ± .003 | ±50ppm/°C | ± .09 ± .003 |
| 200Ω | 200mV | 200.00Ω | 10mΩ | 1mA | ± .04 ± .03 | ±50ppm/°C | ± .09 ± .03 |
| 2kΩ | 200mV | 2.0000kΩ | 100mΩ | 0.1mA | ± .04 ± .0003k | ±50ppm/°C | ± .09 ± .0003k |
| 200mΩ | 2V | 200.00mΩ | 10µΩ | 10A | ± .06 ± .03m | ±50ppm/°C | ± .11 ± .03m |
| 2Ω | 2V | 2.0000Ω | 100µΩ | 1A | ± .04 ± .0003 | ±50ppm/°C | ± .09 ± .0003 |
| 20Ω | 2V | 20.000Ω | 1mΩ | 0.1A | ± .04 ± .003 | ±50ppm/°C | ± .09 ± .003 |
| 200Ω | 2V | 200.00Ω | 10mΩ | 10mA | ± .04 ± .03 | ±50ppm/°C | ± .09 ± .03 |
| 2kΩ | 2V | 2.0000kΩ | 100mΩ | 1mA | ± .04 ± .0003k | ±50ppm/°C | ± .09 ± .0003k |
| 20kΩ | 2V | 20.000kΩ | 1Ω | 0.1mA | ± .04 ± .003k | ±50ppm/°C | ± .09 ± .003k |