ZXN-24交直流四端低阻箱产品介绍（中文版）
ZXN-24交直流四端低阻箱是一款专为精密电阻测量设计的专业设备，适用于交直流环境下的低阻值测试场景。该产品采用四端法开尔文连接方式，通过优化结构设计有效降低接触电阻与导线电阻对测量结果的影响，为实验室、工业生产及科研领域提供可靠的电阻模拟与校准解决方案。
产品采用高稳定性锰铜合金材料制作电阻元件，配合多层防护结构设计，在保证长期稳定性的同时提升了设备的环境适应性。创新的散热系统设计使设备在连续工作状态下仍能维持良好的温度特性，确保测试数据的可重复性与准确性。人性化的操作界面配备清晰的功能标识与便捷的调节旋钮，支持0.01mΩ至24Ω的宽范围电阻值设定，最小调节步进可达0.1mΩ。
在应用场景方面，该设备可广泛应用于电子元器件生产、电力系统维护、仪器仪表校准等多个领域。通过四端独立接线端口设计，有效消除传统两端法测量时引线电阻带来的系统误差，特别适用于变压器绕组电阻测量、接触电阻测试等高精度要求的场景。设备内置多重安全保护机制，在过载或异常电流情况下自动切断回路，为操作人员与待测设备提供双重防护。
技术参数方面，设备工作温度范围覆盖-10℃至+50℃，相对湿度＜85%环境下可稳定运行。直流电阻精度达到±0.05%+2mΩ，交流模式下（50Hz-1kHz）保持±0.1%+5mΩ的测量精度。全量程最大承载电流为3A，满足常规测试需求。紧凑的台式结构设计使设备便于携带与现场作业，金属外壳有效屏蔽外界电磁干扰。
我们为使用者提供全面的技术文档支持与操作指导，包括设备维护建议与典型应用案例解析。通过持续的产品改进与用户反馈机制，确保设备始终满足不断变化的市场需求。
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.
