7ML5221-1CA11SIEMENS流量計(jì)現(xiàn)貨直銷中的詳細(xì)資料：

    SIEMENS流量計(jì)現(xiàn)貨直銷中    我公司在東莞南城區(qū)旺南路旺南大廈14樓13A11，地處繁華路段，臨近富民步行街與金融街。本公司長(zhǎng)期經(jīng)銷西門(mén)子流量計(jì)等產(chǎn)品，不僅價(jià)格好質(zhì)量?jī)?yōu)我們的貨期也是十分有優(yōu)勢(shì)的。我公司在德國(guó)美國(guó)設(shè)有公司，所有產(chǎn)品均是直接從國(guó)外廠家直接采購(gòu)。歡迎您！
    SIEMENS管段式超聲波流量?jī)x表是以“速度差法”為原理，測(cè)量圓管內(nèi)液體流量的儀表。它采用了良好的多脈沖技術(shù)、信號(hào)數(shù)字化處理技術(shù)及糾錯(cuò)技術(shù)，使流量?jī)x表更能適應(yīng)工業(yè)現(xiàn)場(chǎng)的環(huán)境，計(jì)量更方便、經(jīng)濟(jì)、準(zhǔn)確。產(chǎn)品達(dá)到*水平，可廣泛應(yīng)用于石油、化工、冶金、電力、給排水等領(lǐng)域。
    SIEMENS超聲波流量計(jì)是通過(guò)檢測(cè)流體流動(dòng)對(duì)超聲束(或超聲脈沖)的作用以測(cè)量流量的儀表。
    原理
    根據(jù)對(duì)信號(hào)檢測(cè)的原理超聲流量計(jì)可分為傳播速度差法(直接時(shí)差法、時(shí)差法、相位差法和頻差法)、波束偏移法、多普勒法、互相關(guān)法、空間濾法及噪聲法等。
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    SIEMENS流量計(jì)現(xiàn)貨直銷中
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    SIEMENS超聲波流量計(jì)由超聲波換能器、電子線路及流量顯示和累積系統(tǒng)三部分組成。超聲波發(fā)射換能器將電能轉(zhuǎn)換為超聲波能量，并將其發(fā)射到被測(cè)流體中，接收器接收到的超聲波信號(hào)，經(jīng)電子線路放大并轉(zhuǎn)換為代表流量的電信號(hào)供給顯示和積算儀表進(jìn)行顯示和積算。這樣就實(shí)現(xiàn)了流量的檢測(cè)和顯示。
    SIEMENS超聲波流量計(jì)常用壓電換能器。它利用壓電材料的壓電效應(yīng)，采用適出的發(fā)射電路把電能加到發(fā)射換能器的壓電元件上，使其產(chǎn)生超聲波振勸。超聲波以某一角度射入流體中傳播，然后由接收換能器接收，并經(jīng)壓電元件變?yōu)殡娔埽员銠z測(cè)。發(fā)射換能器利用壓電元件的逆壓電效應(yīng)，而接收換能器則是利用壓電效應(yīng)。
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