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磁翻板液位計容易出現哪些問題?
網址: 發布者:admin 發布時間: 閱讀:8498

磁翻板液位計常見問題與故障及注意事項磁翻板液位計常見問題與故障及注意事項為您解決一般常見的液位的問題與故障。現場調校中偶爾會發現浮子上下移動不夠靈活。這大多是由于安裝不當引起的,磁翻板液位計此時要注意上下法蘭的中心是否在一條線上,是否與水平面垂直。一般來說,與水平面夾角最好不小于87度,如果偏差較大,可能會影響浮子的順利移動。    液位計調校正常,投用后發現浮子在某一位置出現一段時間的“吸住”現象。這主要是液位計穿過鋼制平臺安裝時,與鋼板距離過近產生的。因此,穿過鋼制平臺安裝需要特別注意液位計連通管管壁與平臺切割邊線的間距。煙臺銘科、根據現場使用經驗,此間距在100㎜左右即能保證對磁性浮子不產生影響。    液位計現場投用時,要特別注意應先打開上部閘閥,后打開下部閘閥。玻璃管液位計這是由于液位計連通管的底部裝有保護浮子的止推彈簧,否則,大差壓的作用可能撞碎浮子導致液位計無法使用。    液位計投用一段時間后,出現浮子難以浮起且浮子移動不靈活的情況。這基本上是因為磁性浮子上沾有鐵屑或其他污物造成的。可先排空介質,再取出浮子,消除磁性浮子上沾有的鐵屑或其他污物即可。    如果因運輸或其他原因導致現場指示用的密閉玻璃管破裂,則可用國產玻璃管更換。但最好能抽真空。煙臺銘科、重錘式料位計還要注意玻璃管是否垂直,以免影響指示器的指示。    液位計使用過程中,如果輸出信號產生頻繁擾動或有干擾脈沖,就要檢查信號電纜屏蔽層是否可靠接地,工作接是電阻能否滿足要求。倘若干擾仍然沒有完全消除,可用信號隔離器來解決。    液位計使用時尤其要注意,千萬不要用強磁鐵在連通管外上下拉動浮子進行檢查.否則會導致磁性浮子磁化而改變極性,甚至會使浮子磁性減弱,以致難以正常工作。    選用本安型液位計時,尤其要注意液位計與安全柵的阻抗是否匹配。由于此液位計電源電壓為14.5-36VDC,小于一般變送器的14.5-45VDC,故負載較大時不能正常工作
Magnetic level indicator is common problems and faults and matters needing attention of magnetic level gauge common problems and faults and the matters needing attention to solve the problem and fault common level for you. Field adjustment will occasionally find the floater moves up and down is not flexible. This is mostly due to improper installation, magnetic level gauge at this time to pay attention to whether the center of the upper flange and the lower flange in a line perpendicular to the horizontal plane, whether. In general, and the horizontal plane angle should not less than 87 degrees, if the deviation is big, may affect the smooth movement of the floater. Liquid level gauge adjustment is normal, after the commissioning of the float in a position that a period of "suck" phenomenon. This is mainly liquid level gauge through the steel platform installation, and the steel plate are too close to the. Therefore, through the spacing of steel platform installation should pay special attention to level meter pipe wall and platform of cutting edge. Yantai Mingke, according to the practical experiences, this distance in 100 mm or so to ensure that it does not affect the magnetic float. Using field level meter, special attention must be paid to open the upper valve, lower valve open. Glass tube level gauge which is due to the communicating pipe liquid level gauge is installed at the bottom of the protection float thrust spring, otherwise, the big differential effect may float level gauge cannot be used to crash. Liquid level gauge for use after a period of time, appear to float to float and float can not move flexibly situation. This is basically because the magnetic float stained with iron or other contamination caused by. Can first emptying medium, and then remove the float, eliminate magnetic float with some iron or other filth. If for transportation or other reasons for airtight glass field for indication tube rupture, usable domestic glass tube replacement. But the best vacuum. Yantai Mingke, hammer type material level meter also note glass tube is vertical, so as not to affect the indication. Liquid level meter in use process, if the output signal to generate frequent disturbance or interference pulse, it is necessary to check signal cable shielding layer is reliable grounding, grounding resistance can meet the requirements of the work. If the interference is still not completely eliminated, can be used to solve signal isolator. Pay particular attention to the liquid level gauge is used, do not use strong magnets in the connecting pipe to inspect pulling floater outside. Otherwise it will result in changing the polarity of magnetization and magnetic float, and even make the float magnetic weakened, so that it cannot work normally. The intrinsically safe level timing, with particular attention to the impedance level meter and safety grid matches. Because this level of the supply voltage is 14.536VDC, less than the general transmitter 14.545VDC, the load is large can not work normally
 
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