FMQ-10000交直流四端低阻箱產(chǎn)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(shè)備，專為實(shí)驗(yàn)室檢測(cè)、儀器校準(zhǔn)及工業(yè)測(cè)量場(chǎng)景設(shè)計(jì)。產(chǎn)品采用四端開(kāi)爾文連接方式，有效消除引線電阻和接觸電阻對(duì)測(cè)量結(jié)果的影響，顯著提升低阻值測(cè)量的準(zhǔn)確性。可同時(shí)支持交直流兩種工作模式，滿足多樣化測(cè)試需求。
本設(shè)備具備0.1μΩ至10kΩ的寬范圍電阻輸出能力，最小步進(jìn)值達(dá)1μΩ，覆蓋工業(yè)檢測(cè)中常見(jiàn)的低阻測(cè)量需求。內(nèi)置高穩(wěn)定性錳銅合金電阻材料，配合智能溫控補(bǔ)償系統(tǒng)，確保全量程范圍內(nèi)溫度系數(shù)優(yōu)于±5ppm/℃，在復(fù)雜環(huán)境條件下仍能保持優(yōu)異的長(zhǎng)期穩(wěn)定性。
產(chǎn)品采用模塊化分層設(shè)計(jì)，配備人性化的旋轉(zhuǎn)開(kāi)關(guān)和直讀式量程標(biāo)識(shí)，支持快速參數(shù)設(shè)置。全隔離防護(hù)結(jié)構(gòu)有效避免電磁干擾，配合過(guò)載保護(hù)電路，保障設(shè)備在誤操作情況下的安全性。緊湊式金屬機(jī)箱兼顧散熱性能與便攜需求，標(biāo)準(zhǔn)BNC接口兼容主流測(cè)試線纜。
適用于電力系統(tǒng)接地電阻測(cè)試、精密儀器零點(diǎn)校準(zhǔn)、傳感器特性驗(yàn)證等多個(gè)領(lǐng)域，可配合數(shù)字電橋、多功能校準(zhǔn)源等設(shè)備構(gòu)建完整的測(cè)試系統(tǒng)。通過(guò)優(yōu)化接觸件材料和連接結(jié)構(gòu)，產(chǎn)品接觸電勢(shì)小于0.2μV，在微小信號(hào)測(cè)量中展現(xiàn)突出優(yōu)勢(shì)。
技術(shù)參數(shù)：
- 電阻范圍：0.1μΩ~10kΩ
- 最大允許誤差：±(0.02%+2mΩ)
- 最大負(fù)荷功率：1W
- 工作頻率：DC~1kHz
- 溫度系數(shù)：＜±5ppm/℃
- 工作環(huán)境：-10℃~50℃/RH＜80%
使用建議：
避免在強(qiáng)磁場(chǎng)或劇烈震動(dòng)的環(huán)境中使用，建議定期進(jìn)行觸點(diǎn)清潔維護(hù)。通過(guò)專業(yè)設(shè)備進(jìn)行周期性參數(shù)驗(yàn)證可確保長(zhǎng)期測(cè)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(jì)約650字）
