Answer Posted / prakash avhad

very 1stly you can fill the tank upto certain level where
tank contains 30000 litres.Measure that height of circular
tank and measure dia of circular tank by formula V=pi d2/4 h.
For LRV OF transmitter=height x density of liquid
For example LRV for water and Transmitter at bottom
LRV=Height x 1
=0 m x 1
=0 mmwc
URV=Height x 1
=------mmwc
and put these values to the diaphragm type level transmitter

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