Vega FiberFlex LFXG-H, Operating Instructions Manual

Page: 57 / 102

Calibration
LFXG-H Installation and Operation Guide 55
Procedure 3.6: To collect linearizer table data
4 Calculating the linearity
After collecting the data for a linearizer table, the transmitter uses the data
to calculate a new calibration linearizer table. The
Calc linearity function
initiates this calculation.
You must perform this step before the Calculate Calibration step (see the
next section).
Before calculating the linearizer:
1. Select non-linear table for the linearizer curve.
2. Collect linearizer data.
1. Select Calibration | Linearizer Data Pt | Create Data Point .
2. At the prompt, enter the actual known level of process.
3. Accept or reject the results when they appear.
4. Repeat procedure for all available levels.
Note: The simple method skips this step.
Note: Include the data for the Cal Low and Cal High with
the linearizer data before you perform Calculate
linearity. If you did not perform a linearizer data
collection while the process was at the levels for
Cal Low and Cal High, you can manually add those
values to the linearizer data.
To add a data point to the linearizer data, you must
know the level in engineering units and the sensor
counts.