Emerson Micro Motion 5700 Configuration And Use Manual page 176

Measurement support
March 2019
4. Solve for A (slope).
5. Solve for B (offset), using the calculated slope and one set of values.
6. Enter the results as the trim slope and the trim offset.
Using ProLink III: Choose Device Tools > Configuration > Process Measurement > Concentration
•
Measurement, set Matrix Being Configured to your matrix, and enter Trim Slope and Trim Offset.
Using a Web browser: Choose Configure
•
7. Take another concentration reading from the meter, and compare it to the laboratory value.
• If the two values are acceptably close, the trim is complete.
• If the two values are not acceptably close, repeat this procedure.
Calculating the trim slope and the trim offset
Comparison 1
Comparison 2
Populate the equations:
Solve for A:
Solve for B:
Concentration slope (A): 1.00029
Concentration offset (B): 0.00551
176
Laboratory value
Meter value
Laboratory value
Meter value
50 = A × 49.98 + B
16 = A × 15.99 + B
50.00 − 16.00 = 34.00
49.98 − 15.99 = 39.99
34 = A × 33.99
A = 1.00029
50.00 = 1.00029 × 49.98 + B
50.00 = 49.99449 + B
B = 0.00551
Configuration and Use Manual
50.00%
49.98%
16.00%
15.99%
Micro Motion Model 5700 with Ethernet Transmitters
MMI-20029769