【产品中文介绍】

WZPK2-366SA电接点双金属温度计是一款适用于工业领域温度监测与控制的精密仪表。产品基于双金属热膨胀原理设计，通过机械式接点装置实现温度信号的即时反馈与控制功能，可满足过程自动化系统中对温度参数的精准监控需求。该型号温度计采用模块化结构设计，兼顾测量精度与操作便捷性，适用于多种复杂工况环境。

结构特点：

1. 核心元件采用高灵敏双金属螺旋片，通过特殊热处理工艺提升温度敏感度，确保-20℃至+400℃范围内线性响应稳定。
2. 全密闭不锈钢外壳（可选304/316L材质）提供IP65防护等级，有效抵御水汽、粉尘及轻微化学腐蚀。
3. 可调式电接点装置配备精密微动开关，支持单上限、单下限或上下限双接点配置，接点容量可达AC 220V 5A。
4. 表盘采用防震强化玻璃视窗，配备270度广角刻度盘，黑色刻度线与白色背景形成鲜明对比，读数清晰度提升40%。
5. 底部1/2"NPT或G1/2螺纹接口适配常规工业管道安装需求，可选配径向、轴向或万向型表头安装方式。

核心功能：
• 实时显示被测介质温度值
• 通过接点信号触发外部控制系统
• 具备现场机械式温度阈值调节功能
• 支持持续振动环境下的稳定工作（≤5g振幅）
• 无源接点设计兼容PLC/DCS多种控制系统

应用场景：
该产品广泛应用于石油化工设备温度保护、食品灭菌流程监控、制药反应釜温控系统、暖通空调机组安全保护以及机械制造热处理工艺等场景。典型应用包括：蒸汽管道超温报警、循环水冷却系统启停控制、烘干设备温度区间管理等。

使用优势：
• 机械结构免供电运行，降低维护成本
• 双金属传感元件无老化衰减问题
• 接点动作误差≤±1.5% F.S.
• 环境适应性-40℃～+80℃
• 表头可旋转320度便于视角调整

【Product Description in English】

The WZPK2-366SA Bimetallic Temperature Switch is a precision instrument designed for industrial temperature monitoring and control applications. Utilizing the thermal expansion principle of bimetal components, this device provides instantaneous temperature feedback through its mechanical contact system, making it ideal for automated process control systems requiring accurate temperature parameter management. The modular design combines measurement accuracy with operational convenience, suitable for various challenging working conditions.

Structural Features:

1. High-sensitivity bimetal helix core with specialized heat treatment ensures linear response within -20℃ to +400℃ range.
2. Hermetically sealed stainless steel housing (304/316L optional) offers IP65 protection against moisture, dust, and mild chemical corrosion.
3. Adjustable contact mechanism with precision micro-switch supports single upper/lower limit or dual limit configurations (rated AC 220V 5A).
4. Shock-resistant toughened glass window covers 270-degree dial with high-contrast black-on-white markings, improving readability by 40%.
5. Standard 1/2"NPT or G1/2 threaded connection accommodates industrial piping, with optional radial/axial or adjustable head orientations.

Key Functions:
• Real-time temperature indication
• External control system activation via contact signals
• On-site mechanical threshold adjustment
• Stable operation under continuous vibration (≤5g amplitude)
• Passive contact design compatible with PLC/DCS systems

Application Fields:
Widely implemented in petrochemical equipment protection, food sterilization monitoring, pharmaceutical reactor control, HVAC safety systems, and metal heat treatment processes. Typical uses include steam pipeline overheat alarms, cooling water system cycling, and drying equipment temperature regulation.

Operational Benefits:
• Non-powered mechanical operation reduces maintenance
• Bimetal sensing element maintains long-term stability
• Contact activation accuracy ≤±1.5% F.S.
• Ambient tolerance from -40℃ to +80℃
• 320-degree rotatable head for optimal viewing angles

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