供應E+H質量流量計80F40-AD2SAAAAAA
E+H質量流量計直接測量通過流量計的介質的質量流量，還可測量介質的密度及間接測量介質的溫度。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出十幾種參數(shù)供用戶使用。質量流量計組態(tài)靈活，功能強大,性能價格比高，是新一代流量儀表。
E+H質量流量計是采用感熱式測量，通過分體分子帶走的分子質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果 。質量流量計是一個較為準確、快速、可靠、高效、穩(wěn)定、靈活的流量測量儀表，在石油加工、化工等領域將得到更加廣泛的應用，相信將在推動流量測量上顯示出巨大的潛力。質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，質量流量控制器，是可以檢測同時又可以進行控制的儀表。質量流量控制器本身除了測量部分，還帶有一個電磁調節(jié)閥或者壓電閥，這樣質量流量控制本身構成一個閉環(huán)系統(tǒng)，用于控制流體的質量流量。質量流量控制器的設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質量流量計常用型號
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E+H質量流量計故障處理
E+H質量流量計硬件故障
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，可直接導致流量計零漂，如質量流量計安裝在泵出口處較近，傳感器支撐強度不夠，連接法蘭焊接不當產(chǎn)生應力信號，電纜受電磁干擾。
b.接線問題
若出現(xiàn)顯示器不亮現(xiàn)象，應檢查積算器電源連線，若出現(xiàn)保險絲被燒，應確認輸入電壓與標準電壓標稱值，交直流形式是否*。又若出現(xiàn)積算器不隨流量增加時，應檢查積算器接線，若積算器裝有正/反向程序，應檢查流量計接線，因流量計接線不正確，會使積算器在反向流時不遞增。
c.工藝介質變化
若測量介質出現(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質量流量計軟件問題
E+H質量流量計故障處理——對于剛校驗完的流量計安裝使用前一定要注意在當前工況下的零點校驗，必須保證流量計中充滿介質后關閉兩端截止閥才能零點標定，具體的方法有很多種，面板操作、手操器以及使用prolinkⅡ軟件。
a.零點校準有誤。
b.參數(shù)設置有誤。
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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