Emerson Rosemount 370XA, System Reference Manual

Page: 119 / 209

System Reference Manual 370XA Gas Chromatograph
7P00370-H01 APRIL 2014
4 - 34
• If the validation is to be done with a gas other than the
calibration gas on a single-stream GC, select
Calibration
from the Stream Valve drop-down list and install a manual
three-way valve before the calibration inlet on the sample
conditioning system.
• If the validation is to be done with gas other than the
calibration gas on one of the streams of a multi-stream GC,
select the appropriate stream valve from the
Stream Valve
drop-down list.
4. If you are using the calibration gas or if the validation gas is
permanently installed and you want to run a validation on a
schedule, do the following:
(a.) Select
the check box in the appropriate Auto column.
(b.) Select the Start Time for the first validation.
(c.) Enter the Interval , in hours, between validation runs.
NOTICE
If you are configuring an auto-validation and an auto-calibration, schedule the
validation run to occur at least 30 minutes before the calibration run to provide a
validation of the measurement just before the calibration cycle re-calculates the
response factors.
5. Click OK to save the data and close the Streams window.
6. Select Validation Data on the Application menu. The
Validation Data window opens.
NOTICE
The Validation Data command will not be available on the Application menu unless
at least one stream is assigned to Validate in the Usage column on the Streams
window.
7. Select the Variables to be validated and enter the Nominal
Value and the Percent Deviation for each. Note that the C+
button will fill the next entry with the next component in the
component data table from the previously entered component