Yokogawa GC8000 Process Gas Chromatograph - Manual (Page 184)

<3. Basic Operation and Startup>
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IM 11B08A01-01E
NOTE
To cancel the Cal (Val) command during the continuous measurement, press the Specifi cation
Cancel button in the GCM tab. However, the command cannot be canceled after the
measurement of the calibration stream has started.
If the measurement status before calibration is Stream sequence or Stream (continuous) and the
operation mode is Run, the status returns to the original status and the operation mode returns to
Run after the calibration and the measurement restarts. If the operation mode is Stop or Pause,
the status returns to the original status after the calibration and the operation mode becomes
Stop.
IMPORTANT
After the automatic calibration, set Auto start date and Auto start time to any time from the current
time, and change Auto cal status to Executing.
(c) Manual calibration
(1) Connect a cylinder or a pump to the standard sample stream in reference to Connecting a
Standard Gas Cylinder or Standard Liquid Pump.
(2) Change the user level.
(3) Press
the (OPR) in the navigation bar on the analyzer operation screen.
(4) Open the GCM tab, and set the operation mode to Process.
(5) Press Cal (Val) button.
(6) Select a desired calibration number in the Cal (Val) screen and press OK.
(7) Close all open stream valves.
(8) Manually open the stream valve on the standard sample stream of the sample process
section.
(9) Adjust the throttle valve of the sample process section, let the standard sample fl ow, and
substitute the standard sample line.
NOTE
To cancel the Cal (Val) command during the continuous measurement, press the Specifi cation
Cancel button in the GCM tab. To cancel it after the continuous measurement, press Cal (Val)
Stop and then press Yes.
(10) After fi nishing the substitution of the standard sample, press Cal (Val) start button and then
press Yes.
(11) After the measurement of the calibration stream and the validation stream according to the
settings, the calibration fi nishes and Calibration (validation) Stop in the GCM tab becomes
active. Press it and then press Yes.
(12) Manually close the stream valve on the standard sample stream of the sample process
section.
2nd Edition : May 11, 2012-00
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