Closed tank DP Level Transmitter with wet leg Zero elevation Calibration
https://instrumentationtools.blogspot.com/2015/05/DP-Level-Transmitter-Wet-Leg-Zero-Elevation.html
Schematic Diagram of a Closed tank DP Level Transmitter with wet leg Zero elevation Calibration
Formulas:
Min range = - SG . H
Max range = - SG . (H-X)
You can use our instrumentation tools for easy & online calculation of transmitter ranges.CLICK HERE.
Example:
If the height of an X is 2 meters and height H is 2.5 meters, there is fluid in the tank which has a density of 1 g / cm3, what is the range of calibration on the Trasmitter?
SG = 1
Min range = - 1 x (2.5 - 0)
= - 1 x 2,5 m
= - 2.5 mH 2 O
Max range = -1 X (2.5 - 2)
= -1 X 0.5 m
= -0.5 MH 2 O
The Transmitter Range = -2.5 to -0.5 mH 2 O
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