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Configure and calibrate the Rosemount 370XA gas chromatograph
November 2019
c) Press
to continue and enter the uncertainty values from the certificate. If the calibration
certificate does not include uncertainty values, use the default 2 percent setting.
Figure 10-6: Calibration Gas Uncertainty Screen
d) Press
to continue and enter the energy value for the calibration blend.
Figure 10-7: Calibration Gas Energy Content Screen
The value shown on the display is calculated using the same C6+ ratio of C6/C7/C8 as is used in
the stream calculations. The value may differ from the value on the certificate, which may use a
hexane only energy content. Use the calculated value from the screen to avoid nuisance alarms
during calibration.
e) Press
to save and close the screen.
6. Wait for the oven to reach the operating temperature.
Figure 10-8: Heater Screen Showing Current PWM
a) From the Main Menu, navigate to the Hardware menu and select Heaters.
b) Wait for the Heater Out of Range alarm to clear.
32
Quick Start Guide
9-00200-954
Emerson.com/Rosemount
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