Answer Posted / hakkim pa

measure the tank height make sure which liquid is using inside the tank.
formula : height X density
suppose your tank height is 5 mtr convert it in to mmH2O
its come to 5000mmH2O
if the liquid is water,density is( 1 )
URV= 0 X 1 = 0
LRV=5000mmH2O X 1 = 5000mmH2O
it is a hart type use communicator & enter the data
manual calibration measure the mm on the 0% and turn the zero potentio meter until it reach 4 MA
fill the tank up to 100% and turn the span potentio meter until it reach 20 MA

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