Yokogawa GC8000 Process Gas Chromatograph - Manual (Page 178)

<3. Basic Operation and Startup>
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IM 11B08A01-01E
(2) Open the stream valve of the sample process section manually.
(3) Control the throttle valve of the sample process section, let the standard sample fl ow and
substitute the standard sample line.
(4) After the substitution of the standard sample is fi nished, operate the stream valve again and
turn it off.
(3) Measuring the standard sample
Measure the standard sample according to the following procedure. When the operation mode is
other than Stop, follow the following procedure after changing the operation mode to Stop:
(1) Press the (OPR) in the navigation bar on the analyzer operation screen.
(2) Check the temperatures on the Oven information display section in the User level SYS tab.
(3) Set the operation mode to Process in the GCM tab.
(4) Press the Stream specifi cation.
(5) Press the Stream specifi cation of the standard sample.
(6) Select the Stream number, enter any number in the Repetition number of times, and press
OK.
(7) Press Run. The operation mode becomes Run and the measurement of the standard
sample starts.
(8) Press Stop. After the present measurement is fi nished, the operation mode becomes Stop
and the measurement of the standard sample stops.
Figure 3.22 Stream specifi cation screen
3.2.6 Calibration
Although calibration with the standard sample is conducted at the factory, it is recommended to
conduct calibration with the standard sample at startup. After the start of continuous operation of
process measurement, it is recommended to conduct calibration once a month to a half year.
2nd Edition : May 11, 2012-00
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