圖爾克TURCK流量開關(guān)/TURCK買賣網(wǎng) TURCK流量開關(guān)采用熱交換原理,利用能量變化無磨損的檢測流速變化,并通過處理電路發(fā)出報(bào)警信號,LED指示燈表示流量狀態(tài),基于此種原理: 1、流量開關(guān)對流速變化反應(yīng)靈敏。 2、對不同種介質(zhì)如;油或水,以及不同管徑可選用同一種型號的產(chǎn)品,極大地降低了庫存成本。 3、與機(jī)械式流量開關(guān)相比,我們的流量產(chǎn)品無可移動部件,這就意味著使用壽命長,免維護(hù),穩(wěn)定性高。 4、開關(guān)內(nèi)部環(huán)氧樹脂灌封,防護(hù)等級遠(yuǎn)遠(yuǎn)高出機(jī)械式,即使在惡劣地環(huán)境也可實(shí)現(xiàn)無障礙使用。 5、流量開關(guān)的開關(guān)點(diǎn)通過電位計(jì)調(diào)節(jié),只需要一把由我公司隨產(chǎn)品所配備的小螺絲刀就可輕松地進(jìn)行設(shè)定,極其方便,節(jié)省了操作成本,對現(xiàn)場調(diào)試人員也無太高技術(shù)要求,另外,各種螺紋形式使安裝變得更加容易。 TURCK流量開關(guān)是利用探測頭溫度變化的原理設(shè)計(jì)。在探頭內(nèi)置發(fā)熱傳感器及感熱傳感器,并與介質(zhì)接觸。測量時(shí),發(fā)熱傳感器發(fā)出恒定的熱量,當(dāng)管道內(nèi)沒有介質(zhì)流動,感熱傳感器接收到的熱量是一個(gè)恒定值,當(dāng)有介質(zhì)流動時(shí),感熱傳感器所接收到的熱量將隨介質(zhì)的流速變化而變化,感熱傳感器將這溫差信號轉(zhuǎn)化成電信號,再經(jīng)過電路轉(zhuǎn)換為對應(yīng)的接點(diǎn)信號或模擬量信號。 TURCK流量開關(guān)殼體內(nèi)部的流體通道上裝有一個(gè)內(nèi)部裝有*磁鐵的活塞。當(dāng)活塞被液流所引起的壓力差推動時(shí),磁性活塞便會使設(shè)備內(nèi)部的密封簧片開關(guān)動作,活塞的直徑?jīng)Q定了啟動流量。 FCS-G1/2A2-AP8X 20M 6870007 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