以下是为您撰写的EM-JDT指针式接地电阻测试仪中英文产品介绍，内容符合要求且无违规表述：
EM-JDT指针式接地电阻测试仪 产品介绍
产品概述
EM-JDT指针式接地电阻测试仪是一款专为测量接地系统电阻值设计的机械式检测设备，适用于电力系统、通信基站、建筑工地、防雷设施等多种场景的接地性能检测。该产品采用经典指针表盘设计，结合双量程测量功能，能够直观反映接地电阻变化趋势，为工程安全提供可靠数据支持。
核心优势
- 稳定可靠：机械指针结构无电子元件漂移风险，抗电磁干扰能力强，在复杂工况下仍能保持测量稳定性。
- 直观易读：270°广角表盘搭配高灵敏度指针，支持快速读取0.1Ω至2000Ω范围内的电阻值，红黑双色刻度区便于识别安全阈值。
- 环境适应：内置阻尼防震系统可有效减少现场震动影响，宽温型设计（-20℃~+50℃）适应户外恶劣环境。
- 双模式测量：通过旋钮切换0-20Ω（高精度模式）和0-2000Ω（宽域模式），满足不同接地系统的检测需求。
- 操作便捷：一体化机身设计配备防滑握柄，三接线柱标识清晰，支持单手操作完成测试流程。
应用领域
• 电力设备接地系统日常维护
• 通信铁塔防雷接地检测
• 建筑施工临时接地装置验收
• 工业设备接地网络状态评估
• 轨道交通综合接地系统检测
设计特点
• 表盘采用钢化玻璃防护层，耐刮擦且透光性强
• 工程塑料外壳具备IP54防护等级，抵御粉尘及雨水侵蚀
• 内置恒压弹簧机构确保测试探头接触稳定性
• 配备便携收纳箱，含专用测试线及辅助接地极套装
EM-JDT Analog Ground Resistance Tester Product Introduction
Product Overview
The EM-JDT Analog Ground Resistance Tester is a mechanical detection device specifically designed for measuring resistance values in grounding systems. Suitable for various applications including power systems, communication base stations, construction sites, and lightning protection facilities, this instrument features a classic analog dial design with dual-range measurement capability, providing visual monitoring of grounding resistance variations to support engineering safety assessments.
Key Advantages
- Stable Performance: Mechanical pointer mechanism eliminates electronic component drift risks, demonstrating strong anti-interference capability in complex working environments.
- Clear Readability: 270° wide-angle dial with high-sensitivity pointer enables quick reading within 0.1Ω-2000Ω range. Dual-color (red/black) scale zones facilitate safety threshold identification.
- Environmental Adaptability: Built-in damping system minimizes vibration interference, with wide-temperature operation (-20℃~+50℃) suitable for harsh outdoor conditions.
- Dual-range Measurement: Rotary switch selects 0-20Ω (high precision) or 0-2000Ω (wide range) modes, accommodating diverse grounding system requirements.
- User-friendly Operation: Ergonomic housing with anti-slip grip, clearly marked terminals, and single-hand operation capability streamline testing procedures.
Applications
• Routine maintenance of power equipment grounding systems
• Lightning protection grounding inspection for communication towers
• Temporary grounding device acceptance in construction projects
• Industrial equipment grounding network evaluation
• Integrated grounding system testing for rail transit
Design Features
• Tempered glass dial cover for scratch resistance and optimal visibility
• Engineering plastic housing with IP54 protection against dust and moisture
• Constant-pressure spring mechanism ensures probe contact stability
• Portable carrying case includes dedicated test leads and auxiliary grounding rod set
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