以下是为您撰写的YC71SD350料位开关中英文产品介绍（共约620字）：
【中文介绍】
YC71SD350型料位开关是一款专为工业领域物料监控设计的智能化检测设备，适用于固体颗粒、粉末及液体介质的物位测量与控制。该产品通过精密的结构设计与信号处理技术，为生产过程提供可靠的料位监测解决方案。
设备采用一体化密封结构，主体外壳选用高强度不锈钢材质，表面经特殊工艺处理，可在高温、高湿及腐蚀性工况环境中保持稳定运行。测量部件配置灵敏的机械传动机构，能够精准感知物料接触状态的变化，实现实时响应。双轴承支撑结构有效降低机械磨损，配合防卡阻设计显著提升设备耐用性。
该料位开关搭载智能信号处理模块，具备自动校准功能，可根据不同介质特性自动优化检测灵敏度。输出端采用光电隔离技术，有效避免电磁干扰对信号传输的影响。设备提供多种输出接口选择，支持干接点、模拟量等多种工业标准信号输出模式，适配主流控制系统。
在设计细节方面，YC71SD350充分考虑现场维护需求。模块化结构设计使核心组件可快速拆装，便于日常清洁与检修。设备配置可视化状态指示灯，可直观显示运行状态及故障信息。接线腔采用加大空间设计，方便现场布线操作。
产品适用于水泥、化工、食品加工、环保处理等多个行业的物料仓储与输送系统。在粉煤灰仓料位监控、粮食仓储进出料控制、污水处理池液位报警等场景中表现出良好的适应性。设备运行过程中无机械振动干扰，不会对流动物料产生阻滞效应。
技术参数方面，适用介质温度范围涵盖-40℃至250℃，最大工作压力可达4.0MPa。防护等级达到IP67标准，满足粉尘环境及短时浸水工况要求。电源适配24VDC或220VAC供电模式，功耗低于2.5W，符合工业节能要求。
【English Introduction】
The YC71SD350 level switch is an intelligent monitoring device specifically designed for industrial material level detection, suitable for solid particles, powders and liquid media. With precision mechanical design and advanced signal processing technology, it provides reliable solutions for production process monitoring.
Featuring an integrated sealed structure, the main housing is constructed with high-strength stainless steel treated by special surface processes, ensuring stable operation in high-temperature, high-humidity and corrosive environments. The sensing unit incorporates sensitive mechanical transmission mechanism that accurately detects material contact status changes with real-time response capability. Dual bearing support structure effectively reduces mechanical wear while anti-jamming design significantly enhances durability.
Equipped with intelligent signal processing module, the switch features automatic calibration function that optimizes detection sensitivity according to different media characteristics. The output terminal adopts optoelectronic isolation technology to eliminate electromagnetic interference. Multiple output interfaces are available, supporting dry contact, analog signal and other industrial standard output modes for seamless integration with control systems.
The YC71SD350 demonstrates excellent design details for field maintenance. Modular structure enables quick disassembly of core components for cleaning and maintenance. Visual status indicators provide instant operational status and fault diagnosis. The enlarged wiring chamber facilitates field cabling operations.
This product finds wide applications in material storage and conveying systems across cement, chemical, food processing and environmental protection industries. It shows outstanding adaptability in scenarios like fly ash silo monitoring, grain storage control and wastewater treatment tank alarms. The non-vibrating operation ensures no interference to material flow.
Technical specifications include medium temperature range from -40℃ to 250℃, with maximum working pressure up to 4.0MPa. The IP67 protection rating meets requirements for dusty environments and temporary immersion. Compatible with 24VDC or 220VAC power supply, the device maintains low power consumption below 2.5W.
（注：中英文版本内容对应，总字数约620字，严格避免使用违规广告用语及认证类词汇，聚焦产品功能与技术特性描述。文本结构保持自然段落衔接，未采用列表格式。）
