供應(yīng)E+H質(zhì)量流量計(jì)80F40-AD2SAAAAAA
E+H質(zhì)量流量計(jì)直接測(cè)量通過(guò)流量計(jì)的介質(zhì)的質(zhì)量流量，還可測(cè)量介質(zhì)的密度及間接測(cè)量介質(zhì)的溫度。由于變送器是以單片機(jī)為核心的智能儀表，因此可根據(jù)上述三個(gè)基本量而導(dǎo)出十幾種參數(shù)供用戶使用。質(zhì)量流量計(jì)組態(tài)靈活，功能強(qiáng)大,性能價(jià)格比高，是新一代流量?jī)x表。
E+H質(zhì)量流量計(jì)是采用感熱式測(cè)量，通過(guò)分體分子帶走的分子質(zhì)量多少?gòu)亩鴣?lái)測(cè)量流量，因?yàn)槭怯酶袩崾綔y(cè)量，所以不會(huì)因?yàn)闅怏w溫度、壓力的變化從而影響到測(cè)量的結(jié)果 。質(zhì)量流量計(jì)是一個(gè)較為準(zhǔn)確、快速、可靠、高效、穩(wěn)定、靈活的流量測(cè)量?jī)x表，在石油加工、化工等領(lǐng)域?qū)⒌玫礁訌V泛的應(yīng)用，相信將在推動(dòng)流量測(cè)量上顯示出巨大的潛力。質(zhì)量流量計(jì)是不能控制流量的，它只能檢測(cè)液體或者氣體的質(zhì)量流量，通過(guò)模擬電壓、電流或者串行通訊輸出流量值。但是，質(zhì)量流量控制器，是可以檢測(cè)同時(shí)又可以進(jìn)行控制的儀表。質(zhì)量流量控制器本身除了測(cè)量部分，還帶有一個(gè)電磁調(diào)節(jié)閥或者壓電閥，這樣質(zhì)量流量控制本身構(gòu)成一個(gè)閉環(huán)系統(tǒng)，用于控制流體的質(zhì)量流量。質(zhì)量流量控制器的設(shè)定值可以通過(guò)模擬電壓、模擬電流，或者計(jì)算機(jī)、PLC提供。
原裝E+H質(zhì)量流量計(jì)常用型號(hào)
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E+H質(zhì)量流量計(jì)故障處理
E+H質(zhì)量流量計(jì)硬件故障
若出現(xiàn)誤差偏大，積算器顯示不亮或不增值，顯示器空白位等現(xiàn)象，其原因：
a.安裝不規(guī)范，可直接導(dǎo)致流量計(jì)零漂，如質(zhì)量流量計(jì)安裝在泵出口處較近，傳感器支撐強(qiáng)度不夠，連接法蘭焊接不當(dāng)產(chǎn)生應(yīng)力信號(hào)，電纜受電磁干擾。
b.接線問(wèn)題
若出現(xiàn)顯示器不亮現(xiàn)象，應(yīng)檢查積算器電源連線，若出現(xiàn)保險(xiǎn)絲被燒，應(yīng)確認(rèn)輸入電壓與標(biāo)準(zhǔn)電壓標(biāo)稱值，交直流形式是否*。又若出現(xiàn)積算器不隨流量增加時(shí)，應(yīng)檢查積算器接線，若積算器裝有正/反向程序，應(yīng)檢查流量計(jì)接線，因流量計(jì)接線不正確，會(huì)使積算器在反向流時(shí)不遞增。
c.工藝介質(zhì)變化
若測(cè)量介質(zhì)出現(xiàn)夾氣，氣化或兩相流等現(xiàn)象，變送器會(huì)出現(xiàn)報(bào)警顯示，嚴(yán)重時(shí)，傳感器停止工作。
d.變送器失效。
e.傳感器失效。
f.管道吹掃問(wèn)題。
E+H質(zhì)量流量計(jì)軟件問(wèn)題
E+H質(zhì)量流量計(jì)故障處理——對(duì)于剛校驗(yàn)完的流量計(jì)安裝使用前一定要注意在當(dāng)前工況下的零點(diǎn)校驗(yàn)，必須保證流量計(jì)中充滿介質(zhì)后關(guān)閉兩端截止閥才能零點(diǎn)標(biāo)定，具體的方法有很多種，面板操作、手操器以及使用prolinkⅡ軟件。
a.零點(diǎn)校準(zhǔn)有誤。
b.參數(shù)設(shè)置有誤。
c.電源的脈沖波動(dòng)。
d.i/o組態(tài)有誤（一定要注意量程）。
e.操作有誤
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