产品名称：电接点双金属温度计 WZPK-133U
Product Name: Electrical Contact Bimetal Thermometer WZPK-133U

产品概述
Product Overview
WZPK-133U型电接点双金属温度计是一款适用于工业现场温度监测与控制的仪表，采用双金属传感技术与电接点信号输出相结合的设计，可实现温度测量与开关控制一体化功能。产品结构紧凑，安装便捷，适用于多种复杂工况环境，为用户提供可靠的温度管理解决方案。
The WZPK-133U electrical contact bimetal thermometer is designed for industrial temperature monitoring and control. Combining bimetal sensing technology with electrical contact signal output, it integrates temperature measurement and switching control functions. With a compact structure and easy installation, it adapts to various complex working conditions, providing dependable temperature management solutions.

产品特点
Key Features

1. ‌精准稳定‌：双金属元件通过热膨胀系数差异实现温度感应，线性响应快，测量结果稳定，长期使用误差小。
   ‌Accuracy & Stability‌: The bimetal element utilizes differential thermal expansion coefficients for temperature sensing, ensuring fast linear response, stable measurements, and minimal long-term drift.

2. ‌耐环境性强‌：表壳采用不锈钢材质，防护等级达到IP65，可抵御粉尘、潮湿及轻度腐蚀性环境，适应-20℃至+500℃宽温范围。
   ‌Environmental Resistance‌: Stainless steel housing with IP65 protection rating resists dust, moisture, and mild corrosive conditions, operating reliably across -20℃ to +500℃.

3. ‌灵活控制‌：内置可调式电接点装置，支持单点或双点信号输出，用户可通过表头旋钮自主设定报警或控制温度阈值。
   ‌Flexible Control‌: Adjustable electrical contact mechanism supports single or dual-point signal output, allowing users to customize alarm or control thresholds via dial settings.

4. ‌安全耐用‌：无源触点设计避免外部电源干扰，机械结构抗震性能优异，减少因振动导致的触点误动作风险。
   ‌Safety & Durability‌: Passive contact design eliminates external power interference, while robust mechanical construction minimizes false triggering caused by vibrations.

应用领域
Applications
本产品广泛应用于石油化工、食品制药、电力能源、暖通空调等行业的设备温度监控，例如反应釜温度保护、管道过热预警、烘箱连锁控制等场景。
Widely used in petrochemical, food processing, pharmaceutical, power generation, and HVAC industries for equipment temperature monitoring, including reactor protection, pipeline overheat alerts, and oven interlock control.

技术参数
Technical Parameters

• 测量范围：-20℃~500℃（支持定制分段量程）
  Measuring Range: -20℃~500℃ (customizable segments)
• 触点容量：AC 220V/5A 或 DC 24V/3A（常规配置）
  Contact Rating: AC 220V/5A or DC 24V/3A (standard)
• 表盘直径：100mm/150mm（可选）
  Dial Diameter: 100mm/150mm (optional)
• 安装方式：径向或轴向法兰安装
  Mounting: Radial or axial flange

维护提示
Maintenance Tips
建议定期清理表壳表面附着物，避免强冲击或过载使用。接点动作值校准周期可根据实际工况延长至12-24个月。
Regularly clean the housing surface, avoid strong impacts or overloads. Contact calibration intervals may extend to 12-24 months based on operating conditions.

通过简洁直观的机械指示与灵活的电信号输出，WZPK-133U为工业温度监控提供高性价比的解决方案。
With intuitive mechanical indication and adaptable electrical signaling, the WZPK-133U delivers cost-effective temperature monitoring for industrial applications.

（中文：约420字 / 英文：约380字）