供應(yīng)E+H質(zhì)量流量計80F40-AD2SAAAAAA
E+H質(zhì)量流量計直接測量通過流量計的介質(zhì)的質(zhì)量流量，還可測量介質(zhì)的密度及間接測量介質(zhì)的溫度。由于變送器是以單片機為核心的智能儀表，因此可根據(jù)上述三個基本量而導(dǎo)出十幾種參數(shù)供用戶使用。質(zhì)量流量計組態(tài)靈活，功能強大,性能價格比高，是新一代流量儀表。
E+H質(zhì)量流量計是采用感熱式測量，通過分體分子帶走的分子質(zhì)量多少從而來測量流量，因為是用感熱式測量，所以不會因為氣體溫度、壓力的變化從而影響到測量的結(jié)果 。質(zhì)量流量計是一個較為準(zhǔn)確、快速、可靠、高效、穩(wěn)定、靈活的流量測量儀表，在石油加工、化工等領(lǐng)域?qū)⒌玫礁訌V泛的應(yīng)用，相信將在推動流量測量上顯示出巨大的潛力。質(zhì)量流量計是不能控制流量的，它只能檢測液體或者氣體的質(zhì)量流量，通過模擬電壓、電流或者串行通訊輸出流量值。但是，質(zhì)量流量控制器，是可以檢測同時又可以進行控制的儀表。質(zhì)量流量控制器本身除了測量部分，還帶有一個電磁調(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)定值可以通過模擬電壓、模擬電流，或者計算機、PLC提供。
原裝E+H質(zhì)量流量計常用型號
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E+H質(zhì)量流量計故障處理
E+H質(zhì)量流量計硬件故障
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)致流量計零漂，如質(zhì)量流量計安裝在泵出口處較近，傳感器支撐強度不夠，連接法蘭焊接不當(dāng)產(chǎn)生應(yīng)力信號，電纜受電磁干擾。
b.接線問題
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，應(yīng)檢查積算器接線，若積算器裝有正/反向程序，應(yīng)檢查流量計接線，因流量計接線不正確，會使積算器在反向流時不遞增。
c.工藝介質(zhì)變化
若測量介質(zhì)出現(xiàn)夾氣，氣化或兩相流等現(xiàn)象，變送器會出現(xiàn)報警顯示，嚴(yán)重時，傳感器停止工作。
d.變送器失效。
e.傳感器失效。
f.管道吹掃問題。
E+H質(zhì)量流量計軟件問題
E+H質(zhì)量流量計故障處理——對于剛校驗完的流量計安裝使用前一定要注意在當(dāng)前工況下的零點校驗，必須保證流量計中充滿介質(zhì)后關(guān)閉兩端截止閥才能零點標(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.零點校準(zhǔn)有誤。
b.參數(shù)設(shè)置有誤。
c.電源的脈沖波動。
d.i/o組態(tài)有誤（一定要注意量程）。
e.操作有誤
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