d. As the gas flows, observe the Sensor Time Period and Stability values.
e. Wait a minimum of 15 minutes for the system to stabilize. When Stability is
Good, click Accept or Next.
If measurement does not stabilize after 30 minutes, click Abort and troubleshoot
the problem.
f. Close the calibration valve (Valve B).
g. Disconnect the calibration gas.
7. (3-point calibrations only) Set the mid-range calibration point.
a. Connect Calibration Gas Medium to the pipework.
b. Set the pressure regulator on the calibration gas to the appropriate sample
pressure for your installation.
c. Open the calibration valve (Valve B).
d. As the gas flows, observe the Sensor Time Period and Stability values.
e. Wait a minimum of 15 minutes for the system to stabilize. When Stability is
Good, click Accept or Next.
If measurement does not stabilize after 30 minutes, click Abort and troubleshoot
the problem.
f. Close the calibration valve (Valve B).
g. Disconnect the calibration gas.
8. Set the high-density calibration point.
a. Connect Calibration Gas High to the pipework.
b. Set the pressure regulator on the calibration gas to the appropriate sample
pressure for your installation.
c. Open the calibration valve (Valve B).
d. As the gas flows, observe the Sensor Time Period and Stability values.
e. Wait a minimum of 15 minutes for the system to stabilize. When Stability is
Good, click Accept or Next.
If measurement does not stabilize after 30 minutes, click Abort and troubleshoot
the problem.
f. Close the calibration valve (Valve B).
g. Disconnect the calibration gas.
9. Click Next.
10. Review the results for this calibration.
11. Click Finish to save the results and exit, or click Add Calibration to add a calibration.
Tip
You can use Add Calibration to create a new set of calibration coefficients.
12. Set Active Calibration to the calibration to be used for measurement.
Purging and calibration
42 Micro Motion
®
Gas Specific Gravity Meters (SGM)
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