LJD-2008B 电感式接近开关产品介绍
产品概述
LJD-2008B系列电感式接近开关是一款采用电磁感应原理设计的非接触式位置检测装置，适用于工业自动化领域各类金属物体的精确检测。产品采用耐候性工程塑料外壳与环氧树脂封装工艺，具备良好的环境适应性和抗干扰能力，可满足不同工业场景的长期稳定运行需求。
工作原理
当金属目标物进入传感器有效感应区域时，装置内部振荡电路产生电磁场变化，通过智能信号处理模块将物理位移量转化为标准开关量信号输出。该设计有效避免了机械接触式传感器的物理磨损问题，显著延长设备使用寿命。
核心特点
• 稳定检测性能：±1mm检测精度，支持铁、钢、铜、铝等多种金属材质检测
• 环境适应性：IP67防护等级设计，耐受-25℃至+70℃工作温度范围
• 安装灵活性：提供M12/M18两种标准螺纹规格，支持齐平/非齐平两种安装方式
• 电气安全性：内置过载保护和反接保护电路，符合工业级EMC抗干扰要求
应用领域
广泛应用于自动化生产线定位检测、数控机床安全防护、包装机械位置控制、物流分拣系统等场景，特别适用于存在油污、粉尘或湿度较高的工业环境。
技术参数
检测距离：2mm/4mm（根据型号可选）
响应频率：200Hz
输出方式：NPN/PNP（三线制）
电源电压：DC 10-30V
输出电流：≤200mA
防护等级：IP67
材质：PBT外壳，304不锈钢感应面
服务保障
本产品由专业工业传感器制造商生产，严格执行质量管理体系，提供18个月质保服务。支持个性化定制服务，可根据客户需求调整检测距离、输出方式及外形尺寸。
LJD-2008B Inductive Proximity Switch Product Introduction
Product Overview
The LJD-2008B series inductive proximity switch is a non-contact position detection device based on electromagnetic induction principle, designed for precise detection of various metal objects in industrial automation applications. Featuring a weather-resistant engineering plastic housing and epoxy resin encapsulation technology, this product demonstrates excellent environmental adaptability and anti-interference capability, ensuring reliable long-term operation in diverse industrial environments.
Operating Principle
When a metal target enters the effective sensing range, the internal oscillator circuit generates electromagnetic field variation. The intelligent signal processing module converts physical displacement into standard switching signals. This innovative design eliminates mechanical wear associated with contact-type sensors, significantly extending operational lifespan.
Key Features
• Reliable Detection: ±1mm detection accuracy compatible with ferrous/non-ferrous metals
• Robust Construction: IP67 protection rating with -25℃ to +70℃ operating temperature range
• Flexible Installation: Available in M12/M18 threaded models supporting flush/non-flush mounting
• Electrical Safety: Integrated overload protection and reverse polarity protection circuits
Application Scenarios
Ideal for position verification in automated production lines, safety guarding of CNC machines, position control in packaging equipment, and material handling systems. Particularly suitable for harsh environments with oil, dust or high humidity.
Technical Specifications
Sensing Distance: 2mm/4mm (model dependent)
Response Frequency: 200Hz
Output Configuration: NPN/PNP (3-wire)
Supply Voltage: DC 10-30V
Load Current: ≤200mA
Protection Class: IP67
Material: PBT housing with 304 stainless steel sensing face
Service Commitment
Manufactured by professional industrial sensor specialists under strict quality control protocols. Standard 18-month warranty with technical support services. Customization available for sensing range, output mode and housing dimensions according to specific application requirements.
