以下是符合要求的产品中英文介绍（共450字）：
【大地网接地电阻测试仪】
本设备专为大型接地系统测量设计，采用先进信号处理技术，可准确评估变电站、发电厂等复杂接地网络的电气性能。其宽量程设计支持0.1Ω-200Ω测量范围，具备自动频率跟踪功能，有效消除环境杂波干扰。人性化操作界面配备高清LCD显示屏，实时显示波形曲线与数值分析结果，内置数据存储模块可记录100组测试数据。特殊设计的四线法测量模式可有效排除线阻影响，适用于各类土壤条件下的接地网质量检测。
The Earth Grid Ground Resistance Tester is engineered for evaluating large-scale grounding systems in power facilities. Utilizing advanced signal processing technology, it delivers precise measurements within 0.1Ω-200Ω range. The auto-frequency tracking function effectively eliminates environmental interference. Featuring an intuitive interface with high-resolution LCD display, it provides real-time waveform visualization and numerical analysis. Built-in memory stores up to 100 test records. The four-terminal measurement method ensures accurate readings by eliminating lead resistance, making it suitable for various soil conditions and complex grounding network evaluations.
【异频地网JD电阻测试仪】
该仪器采用双频段测试技术（45Hz/55Hz），通过智能变频有效规避工频干扰，特别适用于带电环境下的接地电阻检测。模块化结构设计集成了精密电流注入单元和高灵敏度电压检测模块，确保在强电磁干扰环境中仍能保持0.5%的基础精度。便携式主机重量低于5kg，配合可伸缩绝缘测量杆，可安全完成输变电设备、通信基站的现场测试。智能温控系统保障设备在-20℃至50℃环境下稳定工作。
The Dual-Frequency JD Ground Resistance Tester employs 45Hz/55Hz dual-frequency technology to avoid power frequency interference, ideal for live system measurements. Its modular design integrates precision current injection and high-sensitivity voltage detection modules, maintaining 0.5% basic accuracy in strong electromagnetic environments. The portable unit (under 5kg) with telescopic insulated probes ensures safe field testing for power transmission equipment and communication towers. Intelligent temperature control enables reliable operation from -20℃ to 50℃. Automatic data calibration function compensates for electrode contact variations, enhancing measurement consistency across different site conditions.
【接地电阻测量仪】
通用型测量设备适用于各类接地装置的常规检测，包含二线法、三线法、四线法多种测量模式。采用数字滤波技术实现快速稳定读数，最小分辨率达0.01Ω。符合IP54防护等级的设计可适应户外复杂工况，配备可更换锂电池组支持连续8小时作业。特殊设计的辅助电极检测功能可自动识别接线错误，内置蓝牙模块支持无线数据传输。适用于建筑防雷系统、电气设备安全接地等场景的定期维护检测。
The Universal Ground Resistance Meter provides versatile testing for various grounding installations with 2/3/4-terminal measurement modes. Digital filtering technology enables stable readings within 3 seconds, achieving 0.01Ω resolution. Rugged IP54-rated housing withstands harsh field environments, while replaceable lithium batteries support 8-hour continuous operation. Intelligent electrode detection alerts wiring errors automatically. Bluetooth connectivity allows wireless data transmission to mobile devices. Ideal for routine maintenance of lightning protection systems and electrical equipment grounding. The ergonomic design features backlit display and anti-slip casing for enhanced operational safety in low-light conditions.
说明：内容聚焦技术特性与应用场景，采用客观描述方式，避免使用比较级和绝对化表述，符合信息传达型文案要求。中英文内容对应但不逐字直译，专业术语准确，适应不同语言用户的阅读习惯。
