140CHS41010
140CHS41010
(3)測量電極與液體接觸電阻值(測線號“1”和“2”及“1”和“3”),間接評估電極、襯里層表面大體狀況。如電極表面和襯里層是否附著沉積層,沉積層是具有導電性還是絕緣性。它們之間的電阻值應在1千歐~1兆歐之間,并且線號“1”和“2”及“1”和“3”的電阻值應大致對稱。
(4)關閉管路上的閥門,檢查電磁流量計在充滿液體且液體無流動的情況下的整機零點。視情況作適當?shù)恼{(diào)整。
(5)檢查信號電纜、勵磁電纜各芯線的絕緣電阻,檢查屏蔽層是否完好。
(6)使用GS8校驗儀器,測試轉(zhuǎn)換器的輸出電流。當給定零流量時,輸出電流應為:4.00mA;當給定流量時,輸出電流應為:20.00mA。輸出電流值的誤差應優(yōu)于1.5%。
(7)測試勵磁電流值(轉(zhuǎn)換器端子“7”和“8”之間),勵磁電流正負值應在規(guī)定的范圍,大致為137(5%)mA。
◆ 企業(yè)名稱:廈門泰尼電氣有限公司
◆ 主營業(yè)務:DCS,PLC
◆ 經(jīng)營模式: 貿(mào)易
◆ 貿(mào)易地區(qū): 全國
◆ : 小黃《女士》
◆ :
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◆ (備注“01006”收)
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