6 calibration, 3) measuring the standard sample – Yokogawa GC8000 Process Gas Chromatograph User Manual

Page 178

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<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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