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Answer Posted / s vedpathak
There are different types of level transmitter who works on
different principle exa Displacement type,differential
pressure type,nucleonic type,capacitance type etc.
Displacement type L Tx works on Archimedes principle which
states that the buoyant force on a submerged object is
equal to the weight of the fluid that is displaced by the
object.
similarly in D/P L tx, fluid exerts pressure on HP/LP side
of the capsule & based on the differential head & specific
gravity, the transmitter gives mA output.
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