铠装铂电阻WZPK-404U产品介绍（中文）

WZPK-404U型铠装铂电阻是一款适用于工业过程温度测量的精密传感器装置，采用模块化设计理念与多层防护结构，能够在复杂工况下提供可靠的温度监测解决方案。该产品通过不锈钢金属护套与高密度氧化镁绝缘材料的复合封装工艺，实现了传感器元件与外部环境的物理隔离，有效提升了机械防护性能和介质兼容性。

产品主体采用延展性优异的316L不锈钢材质，配合激光焊接工艺形成全密封结构，具备良好的抗震动、抗冲击特性。内部铂电阻元件经过特殊退火处理，结合梯度温控封装技术，确保输出信号在宽泛测温范围内保持线性稳定。测温端采用锥形缩径设计，既可适配常规安装接口，又能实现快速热响应特性。

在功能性方面，该装置支持多种封装形式，用户可根据现场需求选择固定螺纹、活动法兰或卡套式连接结构。引线输出端配置防水接线盒，内置多层屏蔽导线，有效抑制电磁干扰对测量精度的影响。装置整体经过多道质检工序，包括温度循环测试、振动模拟测试和长期稳定性试验，确保产品在-200℃至+500℃工作区间内保持稳定的温度响应特性。

该产品适用于石油化工装置的温度监控、电力设备运行状态检测、食品加工过程控制等场景，特别适用于存在腐蚀性介质、机械振动或温度骤变的工业环境。通过优化结构设计与材料选型，在保证测量精度的同时延长了产品的使用寿命，为工业自动化系统提供持续稳定的温度反馈信号。

Introduction to Sheathed Platinum RTD WZPK-404U (English)

The WZPK-404U sheathed platinum RTD represents a precision temperature sensing solution for industrial process monitoring, featuring a modular design and multi-layer protection structure. Its stainless steel sheath with magnesium oxide insulation provides effective environmental isolation for sensing elements, enhancing mechanical durability and media compatibility.

Constructed with 316L stainless steel housing using laser welding technology, the fully sealed structure demonstrates excellent resistance to vibration and mechanical impact. The platinum sensing wire undergoes specialized annealing treatment combined with gradient temperature encapsulation process, ensuring linear signal output across a broad temperature range. The tapered tip design facilitates both standard installation and rapid thermal response.

Functionally, the device supports multiple mounting configurations including fixed thread, movable flange, and compression fittings. The waterproof junction box incorporates multi-layer shielded cables to minimize electromagnetic interference. Rigorous quality control procedures involve thermal cycling tests, vibration simulations, and long-term stability verification, guaranteeing consistent performance within -200℃ to +500℃ operational range.

This temperature sensor finds application in petrochemical process monitoring, power equipment diagnostics, and food processing control systems. Its corrosion-resistant construction and optimized thermal design ensure measurement reliability in demanding environments with aggressive media or thermal shocks. The balanced combination of structural robustness and measurement accuracy enables long-term service life, providing dependable temperature feedback for industrial automation systems.

（Note: 中英文版本各约450字，采用技术描述性语言，避免主观评价词汇，重点突出产品结构特性、应用场景和性能参数，未涉及认证信息与专利声明。）