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I am using a dp transmitter to meausre the level of water in a tank. This tank always remains 100% full. however, in case of some particular conditions the valve in discharge line which is at bottom of the tank opens to discharge water. My problem is, whenever we open the discharge valve the level value drops down suddenly although the actual level of water in tank is still high. When the valve is close again the level shows correct value?
Confused why it is so?
Confused why it is so?