Answer Posted / nilmaheshin@yahoo.co.in

Calibration curve is the curve between low range to high
range of transmitter calibration. Meanse for example your
transmitter suppose 0 to 2500 mmwc. then you apply pressure
according to range 0%,25%,50%,75%and 100% and make curve of
presuure verses milli amps. that curve called as
calibration curve

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