48 DSGH Installation and Operation Guide
Calibration
Before starting the Cal Low data collection:
Check that the correct parameters (vessel inner diameter, engineering
units, measurement span, and source type) are correct.
Power up gauge one hour before start of calibration.
Fill vessel or pipe with low process.
Prepare to draw a sample while the gauge is collecting data.
Procedure 3.4: To set the cal low density
Note: Perform the data collection for the low and high density within 10
days of each other for a good calibration. The low and high
values must be more than 10% of the process span apart for the
most accurate calibration. Increasing the process span usually
increases the gauge accuracy.
1. Select Calibration | 2 Point Calibration | Cal Low Collect.
2. Click Start.
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