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4300E 數位微歐姆計專為馬達、變壓器、保險絲、連接器、斷路器、匯流排、搭接與焊接接頭等多種應用中的嚴苛超低電阻量測需求而設計。4300E 採用真正的四線式 Kelvin 量測,可在 18 種量程組合下精確量測電阻,範圍涵蓋 2.0000 mΩ 至 20.000 kΩ。 六種可由使用者選擇的測試電流量程(0.1 mA 至 10 A),可搭配三種可選的電壓量測量程(20 mV、200 mV 和 2 V),為各種電阻性裝置與測試條件提供所需的彈性。 4300E 承襲 4300C 經驗證的量測平台,並新增現代化高對比 OLED 介面、開機設定儲存功能、定時測試電流功能、強化的峰值與高低限比較器功能、改良的資料記錄與通訊功能,以及更完善的遠端控制能力。
| 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 |