Populate the equations:
50 = × 49.98 +
16 = × 15.99 +
Solve for A:
50.00 16.00 = 34.00
49.98 15.99 = 39.99
34 = × 33.99
= 1.00029
Solve for B:
50.00 = 1.00029 × 49.98 +
50.00 = 49.99449 +
= 0.00551
Concentration slope (A): 1.00029
Concentration offset (B): 0.00551
Related information
Adjust concentration measurement with Trim Offset
13.7
Set up user-defined calculations
ProLink III Device Tools > Configuration > User-Defined Calculations
Field Communicator Configure > Manual Setup > Measurements > Optional Setup > User-Defined Calcula-
tions
Overview
User-defined calculations are used to enhance measurement or to adapt the meter to
special process conditions.
A user-defined calculation allows you to create a new process variable by inserting
constants and existing process variables into an equation. The output of the equation is
the new process variable. Depending on your meter, either two or three equations are
available.
Procedure
1. Select the user-defined calculation that you want to use.
2. If you selected User-Defined Calculation 1:
Measurement support
140 Micro Motion
®
Gas Specific Gravity Meters (SGM)
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