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液位計

石英管液位計的故障解決

發布日期:2022-10-09 點擊率:27

石英管液位計常規檢查及故障解決方法,此方法適用于磁翻板液位計,雙色的石英管液位計,玻璃管液位計等。

    1、先檢查電源有沒有接對,如發現接法不正確應該依照操作手冊進行修改。

    2、用三電壓表量測+24V與O/PI司之電壓,電壓應在13V-36V之間,若電壓不正常應該查看線路 或者相關設備是否異常。

    3.第2項應該先確認正常后,再于4-20MA回路串是一只毫安電表,檢查電流是否正常,若電流值不 正常應更換新品或洽客服人員。

    4.用電壓表檢查IN與COM間之電壓,正常應為2.5V左右,若電壓過低應再移除EXC導線看看,如果電壓恢復正常則表示磁黃模塊不正常,若電仍然偏低則表示訊號轉換器損壞。旗板色片不會翻轉,或色片混亂應確認本體管周遭及內部沒有磁性體存在,并于清除之后用磁鐵掃過一次,使顏色歸于一 致。色片360度翻轉浮球磁場過強,近接開關不動作用電表檢查開關動作是否正常,磁鐵靠近時接點應導通且電阻應低于300M以下,磁鐵移除后開關應開路且電阻應達10MO以上,若未達以上之要求應更換新的近接開關。


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