FMQ-10000交直流四端低阻箱產品介紹
中文版：
FMQ-10000交直流四端低阻箱是一款高精度、寬量程的電阻模擬設備，專為實驗室檢測、儀器校準及工業(yè)測量場景設計。產品采用四端開爾文連接方式，有效消除引線電阻和接觸電阻對測量結果的影響，顯著提升低阻值測量的準確性。可同時支持交直流兩種工作模式，滿足多樣化測試需求。
本設備具備0.1μΩ至10kΩ的寬范圍電阻輸出能力，最小步進值達1μΩ，覆蓋工業(yè)檢測中常見的低阻測量需求。內置高穩(wěn)定性錳銅合金電阻材料，配合智能溫控補償系統(tǒng)，確保全量程范圍內溫度系數優(yōu)于±5ppm/℃，在復雜環(huán)境條件下仍能保持優(yōu)異的長期穩(wěn)定性。
產品采用模塊化分層設計，配備人性化的旋轉開關和直讀式量程標識，支持快速參數設置。全隔離防護結構有效避免電磁干擾，配合過載保護電路，保障設備在誤操作情況下的安全性。緊湊式金屬機箱兼顧散熱性能與便攜需求，標準BNC接口兼容主流測試線纜。
適用于電力系統(tǒng)接地電阻測試、精密儀器零點校準、傳感器特性驗證等多個領域，可配合數字電橋、多功能校準源等設備構建完整的測試系統(tǒng)。通過優(yōu)化接觸件材料和連接結構，產品接觸電勢小于0.2μV，在微小信號測量中展現突出優(yōu)勢。
技術參數：
- 電阻范圍：0.1μΩ~10kΩ
- 最大允許誤差：±(0.02%+2mΩ)
- 最大負荷功率：1W
- 工作頻率：DC~1kHz
- 溫度系數：＜±5ppm/℃
- 工作環(huán)境：-10℃~50℃/RH＜80%
使用建議：
避免在強磁場或劇烈震動的環(huán)境中使用，建議定期進行觸點清潔維護。通過專業(yè)設備進行周期性參數驗證可確保長期測量精度。
English Version:
FMQ-10000 AC/DC Four-Terminal Low Resistance Box is a high-precision resistance simulation device with wide measurement range, designed for laboratory testing, instrument calibration and industrial measurement applications. Employing four-terminal Kelvin connection method, the product effectively eliminates the influence of lead resistance and contact resistance, significantly improving the accuracy of low-resistance measurement. It supports both AC and DC working modes to meet diversified testing requirements.
The equipment provides wide-range resistance output from 0.1μΩ to 10kΩ with minimum step increment of 1μΩ, covering common low-resistance measurement needs in industrial applications. Built with high-stability manganin alloy resistors and intelligent temperature compensation system, the temperature coefficient remains better than ±5ppm/℃ across full range, ensuring excellent long-term stability under complex environmental conditions.
Featuring modular layered design with user-friendly rotary switches and direct-reading range indicators, the product enables fast parameter configuration. Full-isolation protective structure effectively prevents electromagnetic interference, while overload protection circuits ensure operational safety during misuse. The compact metal chassis combines heat dissipation efficiency with portability, equipped with standard BNC interfaces compatible with mainstream test cables.
Applicable to power system grounding resistance testing, precision instrument zero-point calibration, sensor characteristic verification and other fields, it can be integrated with digital bridges and multi-function calibrators to build comprehensive test systems. Through optimized contact materials and connection structure, the contact potential is controlled below 0.2μV, demonstrating outstanding performance in micro-signal measurement scenarios.
Technical Parameters:
- Resistance Range: 0.1μΩ~10kΩ
- Maximum Permissible Error: ±(0.02%+2mΩ)
- Maximum Load Power: 1W
- Operating Frequency: DC~1kHz
- Temperature Coefficient: ＜±5ppm/℃
- Operating Environment: -10℃~50℃/RH＜80%
Usage Recommendations:
Avoid operation in strong magnetic fields or severe vibration environments. Regular contact cleaning maintenance is advised. Periodic parameter verification through professional equipment helps maintain long-term measurement accuracy.
（Total words: 中英文合計約650字）
