LJC30A3-H-Z/AX电容式接近开关/LJC30A3HZAX
产品概述
LJC30A3-H-Z/AX电容式接近开关是一款高性能的非接触式检测传感器，采用电容感应原理设计，适用于检测多种介电材料，包括金属、非金属、液体及粉末状物体。其核心部件由振荡器和信号处理电路组成，当目标物体接近感应面时，电容变化触发开关动作，实现精准的位置或存在检测。产品结构紧凑，安装便捷，支持M30螺纹固定，防护等级达IP67，可适应工业环境中的粉尘、潮湿等复杂条件。
关键特点
- 广泛适用性：可检测导体、绝缘体及液体，适用于物流、食品、化工等行业。
- 稳定性能：内置温度补偿电路，确保在-25℃~+70℃环境下稳定工作。
- 灵活配置：提供直流三线制（NPN/PNP）输出，兼容多种控制系统。
- 长寿命设计：无机械触点磨损，使用寿命显著高于机械开关。169
Product Overview
The LJC30A3-H-Z/AX capacitive proximity switch is a high-performance non-contact sensor based on capacitive sensing technology. It detects a wide range of dielectric materials, such as metals, non-metals, liquids, and powders. The device consists of an oscillator and signal processing circuit, where the capacitance change triggered by target proximity enables precise position or presence detection. With a compact M30 threaded housing and IP67 protection, it is suitable for harsh industrial environments with dust or moisture.
Key Features
- Versatility: Compatible with conductive, insulating, and liquid targets, ideal for logistics, food processing, and chemical industries.
- Reliability: Temperature compensation ensures stable operation within -25℃~+70℃.
- Flexibility: DC 3-wire (NPN/PNP) output options for seamless integration with control systems.
- Durability: Contactless design eliminates mechanical wear, extending service life.2710
技术原理
电容式接近开关的感应电极与目标物体形成等效电容，当物体接近时介电常数变化导致振荡电路状态改变，经放大电路处理后输出开关信号。此设计无需物理接触，避免了传统开关的机械损耗。产品支持灵敏度调节，通过电位器可适配不同介电常数的检测目标。典型应用包括流水线物料检测、液位监控及自动化设备定位。921
Technical Principle
The switch’s sensing electrode and target object form an equivalent capacitor. As the target approaches, dielectric constant variation alters the oscillator circuit state, generating a switch signal after amplification. This non-contact mechanism eliminates mechanical wear. An adjustable potentiometer allows sensitivity tuning for diverse dielectric materials. Typical applications include conveyor belt detection, liquid level monitoring, and automated positioning.1118
应用场景
适用于包装机械的缺料报警、化工罐体液位控制、木材加工中的非金属检测等场景。例如，在食品生产线中可检测塑料瓶盖是否存在；在建材行业用于监控石膏粉料仓的填充状态。其抗干扰设计和坚固外壳确保在振动、电磁噪声环境中可靠运行。416
Applications
Ideal for material absence alarms in packaging, liquid level control in chemical tanks, and non-metal detection in wood processing. For instance, it verifies plastic cap presence on food production lines or monitors gypsum powder levels in building material silos. Robust construction and anti-interference design ensure reliability in noisy or vibrating environments.2022
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LJC30A3-H-Z/AX电容式接近开关/LJC30A3HZAX
简单介绍
LJC30A3-H-Z/AX电容式接近开关 TL-N5MF1、TL-N5MY1、TL-N5MD1、TL-N10ME1、TL-N10ME2、TL-N10MF1、TL-N10MY1、TL-N10MY2、TL-N10MD1、TL-N20ME1、TL-N20ME2、TL-N20MF1、TL-N20MY1
LJC30A3-H-Z/AX电容式接近开关
的详细介绍
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