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FSH21-N系列環(huán)形接近開關(guān)產(chǎn)品介紹

FSH21-N環(huán)形接近開關(guān)是一款專為21mm標(biāo)準(zhǔn)檢測距離設(shè)計的非接觸式檢測裝置，采用環(huán)形貫通結(jié)構(gòu)設(shè)計，可實現(xiàn)對金屬及非金屬物體的可靠識別。該產(chǎn)品憑借其創(chuàng)新的環(huán)形感應(yīng)區(qū)結(jié)構(gòu)和優(yōu)化的電磁場分布技術(shù)，能夠精準(zhǔn)識別通過檢測區(qū)域的目標(biāo)物體，適用于自動化設(shè)備中需要中央貫通的檢測場景。

核心優(yōu)勢體現(xiàn)在環(huán)形感應(yīng)區(qū)的特殊設(shè)計，其內(nèi)徑與檢測距離經(jīng)過精密計算，確保21mm標(biāo)準(zhǔn)尺寸物體的穩(wěn)定識別。產(chǎn)品采用全封閉式防護(hù)結(jié)構(gòu)，防護(hù)等級達(dá)到IP67標(biāo)準(zhǔn)，有效抵御粉塵、油污及潮濕環(huán)境的影響。內(nèi)置溫度補(bǔ)償電路可在-25℃至+70℃范圍內(nèi)維持檢測精度，適應(yīng)多種工業(yè)環(huán)境需求。

在工業(yè)自動化領(lǐng)域，該傳感器可廣泛應(yīng)用于物料分揀系統(tǒng)的到位檢測、流水線工件計數(shù)、旋轉(zhuǎn)設(shè)備的位置監(jiān)控等場景。其環(huán)形結(jié)構(gòu)允許被測物體從中心孔位通過，特別適用于管狀物料檢測、旋轉(zhuǎn)軸狀態(tài)監(jiān)測等特殊安裝需求。產(chǎn)品支持DC 10-30V寬電壓輸入，兼容PNP/NPN兩種輸出模式，可靈活適配不同控制系統(tǒng)。

技術(shù)參數(shù)方面，檢測距離精確設(shè)定為21mm±0.5mm，響應(yīng)時間小于1ms，確保高速生產(chǎn)線的實時檢測需求。產(chǎn)品外殼采用304不銹鋼與工程塑料復(fù)合結(jié)構(gòu)，既保證機(jī)械強(qiáng)度又實現(xiàn)輕量化設(shè)計。LED狀態(tài)指示燈支持360°可視，便于設(shè)備調(diào)試與狀態(tài)監(jiān)控。

FSH21-N環(huán)形接近開關(guān)通過優(yōu)化的電磁場控制技術(shù)，有效降低相鄰設(shè)備間的信號干擾。其模塊化設(shè)計便于安裝維護(hù)，提供M18×1標(biāo)準(zhǔn)螺紋安裝方式，支持水平、垂直等多種安裝角度。產(chǎn)品經(jīng)過嚴(yán)格的耐久性測試，機(jī)械壽命超過1000萬次，滿足工業(yè)環(huán)境長期穩(wěn)定運行要求。

English Version:
FSH21-N Annular Proximity Switch Product Introduction

The FSH21-N annular proximity switch is a non-contact detection device specifically designed for 21mm standard detection distance. Featuring a unique ring-shaped sensing structure, this product ensures reliable identification of both metallic and non-metallic objects passing through its central aperture. The optimized electromagnetic field distribution enables precise detection of target objects, making it ideal for automated systems requiring through-beam sensing in confined spaces.

The annular sensing zone is engineered with precise dimensional calculations to maintain stable detection of 21mm standard-sized objects. The fully sealed enclosure provides IP67 protection against dust, moisture, and oil contamination. Built-in temperature compensation ensures consistent performance across -25℃ to +70℃ operating environments.

This sensor finds extensive applications in industrial automation systems including material handling, production line counting, and rotary equipment monitoring. The through-hole design allows unobstructed passage of cylindrical materials while detecting their presence. Compatible with 10-30V DC power supply, it supports both PNP and NPN output configurations for flexible system integration.

Technical specifications include 21mm±0.5mm detection distance and <1ms response time, meeting high-speed production requirements. The hybrid housing combines 304 stainless steel with engineering plastics for durability and lightweight construction. Multi-directional LED indicators facilitate easy status monitoring during operation.

Advanced electromagnetic field control technology minimizes interference from adjacent equipment. The modular design allows multiple installation options via standard M18×1 threaded mounting, adaptable to various spatial configurations. Rigorous endurance testing confirms over 10 million operation cycles, ensuring long-term reliability in demanding industrial environments.