ZXN-24交直流四端低阻箱產(chǎn)品介紹（中文版）
ZXN-24交直流四端低阻箱是一款專為精密電阻測量設計的專業(yè)設備，適用于交直流環(huán)境下的低阻值測試場景。該產(chǎn)品采用四端法開爾文連接方式，通過優(yōu)化結(jié)構(gòu)設計有效降低接觸電阻與導線電阻對測量結(jié)果的影響，為實驗室、工業(yè)生產(chǎn)及科研領域提供可靠的電阻模擬與校準解決方案。
產(chǎn)品采用高穩(wěn)定性錳銅合金材料制作電阻元件，配合多層防護結(jié)構(gòu)設計，在保證長期穩(wěn)定性的同時提升了設備的環(huán)境適應性。創(chuàng)新的散熱系統(tǒng)設計使設備在連續(xù)工作狀態(tài)下仍能維持良好的溫度特性，確保測試數(shù)據(jù)的可重復性與準確性。人性化的操作界面配備清晰的功能標識與便捷的調(diào)節(jié)旋鈕，支持0.01mΩ至24Ω的寬范圍電阻值設定，最小調(diào)節(jié)步進可達0.1mΩ。
在應用場景方面，該設備可廣泛應用于電子元器件生產(chǎn)、電力系統(tǒng)維護、儀器儀表校準等多個領域。通過四端獨立接線端口設計，有效消除傳統(tǒng)兩端法測量時引線電阻帶來的系統(tǒng)誤差，特別適用于變壓器繞組電阻測量、接觸電阻測試等高精度要求的場景。設備內(nèi)置多重安全保護機制，在過載或異常電流情況下自動切斷回路，為操作人員與待測設備提供雙重防護。
技術(shù)參數(shù)方面，設備工作溫度范圍覆蓋-10℃至+50℃，相對濕度＜85%環(huán)境下可穩(wěn)定運行。直流電阻精度達到±0.05%+2mΩ，交流模式下（50Hz-1kHz）保持±0.1%+5mΩ的測量精度。全量程最大承載電流為3A，滿足常規(guī)測試需求。緊湊的臺式結(jié)構(gòu)設計使設備便于攜帶與現(xiàn)場作業(yè)，金屬外殼有效屏蔽外界電磁干擾。
我們?yōu)槭褂谜咛峁┤娴募夹g(shù)文檔支持與操作指導，包括設備維護建議與典型應用案例解析。通過持續(xù)的產(chǎn)品改進與用戶反饋機制，確保設備始終滿足不斷變化的市場需求。
ZXN-24 AC/DC Four-Terminal Low Resistance Box (English Version)
The ZXN-24 AC/DC Four-Terminal Low Resistance Box is a professional instrument designed for precision resistance measurement, suitable for low-resistance testing scenarios in both AC and DC environments. Utilizing the four-terminal Kelvin connection method, this device effectively minimizes the impact of contact resistance and lead resistance through optimized structural design, providing reliable resistance simulation and calibration solutions for laboratories, industrial production, and scientific research fields.
Constructed with high-stability manganin alloy resistors and multi-layer protective structure, the equipment ensures long-term stability while enhancing environmental adaptability. The innovative thermal management system maintains stable temperature characteristics during continuous operation, guaranteeing measurement repeatability and accuracy. The user-friendly interface features clear functional markings and precise adjustment knobs, supporting resistance settings from 0.01mΩ to 24Ω with a minimum step resolution of 0.1mΩ.
This device finds extensive applications in electronic component manufacturing, power system maintenance, and instrument calibration. The independent four-terminal connection ports effectively eliminate systematic errors caused by lead resistance in traditional two-terminal measurements, particularly suitable for high-precision applications such as transformer winding resistance measurement and contact resistance testing. Built-in multi-level safety protection mechanisms automatically cut off circuits under overload or abnormal current conditions, ensuring dual protection for both operators and test equipment.
Technical specifications include an operational temperature range of -10℃ to +50℃ with stable performance under relative humidity below 85%. DC resistance accuracy reaches ±0.05%+2mΩ, while maintaining ±0.1%+5mΩ accuracy in AC mode (50Hz-1kHz). The maximum current capacity across all ranges is 3A, meeting general testing requirements. The compact benchtop design ensures portability for field operations, with a metal casing providing effective electromagnetic interference shielding.
Comprehensive technical documentation and operational guidance are provided, including maintenance recommendations and typical application case studies. Through continuous product improvement and user feedback mechanisms, we ensure the equipment consistently meets evolving market demands.
