以下是电接点双金属温度计WZPK-333U的中英文产品介绍，内容遵循要求，未涉及广告法禁用词汇及认证类表述：

‌中文介绍‌
电接点双金属温度计WZPK-333U是一款专为工业温度测量与控制设计的精密仪器。该产品采用双金属感温元件与电接点开关的集成化设计，能够在测量温度的同时实现自动控制或报警功能，适用于多种复杂工况环境。

‌核心特点‌

1. ‌双金属感温技术‌：通过精密加工的双金属片感应温度变化，转化为机械位移驱动指针，确保温度显示直观可靠。
2. ‌可调电接点功能‌：配备两组可调节电接点开关，用户可自定义设定上下限温度值，实现超温预警或设备启停控制。
3. ‌全密封结构设计‌：表壳采用不锈钢材质，结合防震、防尘密封工艺，保障仪表在潮湿、振动或腐蚀性环境中的长期稳定性。
4. ‌宽量程适应性‌：支持-40℃至500℃的宽温度范围测量，适配不同工业场景需求。
5. ‌灵活安装方式‌：提供轴向、径向等多种安装选项，兼容螺纹或法兰固定，便于集成到管道、反应釜等设备中。

‌应用领域‌
本产品可广泛应用于石油化工、电力供暖、食品制药、机械制造等行业，适用于液体、气体及蒸汽介质的温度监控，尤其适合需要对温度进行实时控制的场景，如加热炉、冷却系统、锅炉设备等。

‌使用优势‌

• ‌操作便捷‌：表盘刻度清晰，电接点可通过旋钮或螺丝刀快速调节，无需复杂校准。
• ‌耐久性强‌：内部组件经过特殊工艺处理，抗磨损性能优异，有效延长使用寿命。
• ‌安全可靠‌：接点动作与温度变化同步，响应灵敏，避免误触发或延迟问题。

‌技术参数‌
测量精度：±1.5%满量程
接点容量：AC 220V/1A（阻性负载）
防护等级：IP55
探杆长度：50mm至500mm可选

‌English Introduction‌
The WZPK-333U Bimetallic Temperature Gauge with Electrical Contact is a precision instrument designed for industrial temperature measurement and control. Integrating a bimetallic sensing element with adjustable electrical contacts, this device enables both temperature monitoring and automated control/alarm functions, suitable for diverse industrial environments.

‌Key Features‌

1. ‌Bimetallic Sensing Technology‌: Utilizes a precision-engineered bimetallic strip to convert temperature changes into mechanical displacement, ensuring clear and reliable analog readings.
2. ‌Adjustable Electrical Contacts‌: Equipped with two adjustable contact switches, allowing users to set customized upper/lower temperature limits for alarm triggering or equipment control.
3. ‌Robust Sealed Structure‌: Constructed with stainless steel housing and anti-corrosion sealing, ensuring long-term stability in humid, corrosive, or high-vibration environments.
4. ‌Wide Temperature Range‌: Supports measurements from -40℃ to 500℃, adaptable to various industrial processes.
5. ‌Flexible Mounting Options‌: Available in axial, radial, or other configurations, compatible with threaded or flange connections for easy integration into pipelines, reactors, and other equipment.

‌Applications‌
This product is widely used in petroleum refining, power generation, food processing, pharmaceutical manufacturing, and mechanical industries. It is ideal for monitoring liquid, gas, or steam temperatures in systems requiring real-time control, such as boilers, cooling circuits, and heat treatment units.

‌Operational Benefits‌

• ‌User-Friendly Design‌: Clear dial markings and tool-assisted contact adjustment simplify setup without complex calibration.
• ‌Enhanced Durability‌: Internally treated components resist wear and tear, extending service life under continuous operation.
• ‌Synchronized Response‌: Contacts activate precisely upon reaching preset temperatures, minimizing false alarms or delayed actions.

‌Technical Specifications‌
Accuracy: ±1.5% of full scale
Contact Rating: AC 220V/1A (resistive load)
Protection Class: IP55
Probe Length: 50mm to 500mm (customizable)

以上内容共计约450字，突出功能性描述与应用场景，符合信息传达需求。