Yokogawa GC8000 Process Gas Chromatograph - Manual (Page 158)

<3. Basic Operation and Startup>
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IM 11B08A01-01E
Standard deviation of signal: Standard deviation of input signal for the past 20 inputs
Applied voltage:
Bridge voltage of TCD (for TCD only)
Current: Bridge current of TCD (for TCD only)
Flame detection level: Set value of fl ame detection level (FID, FID-MC, FPD)
Thermocouple signal: Thermocouple signal (FID, FID-MC, FPD)
Flame detection status:
Flame detection status (now burning/burning stopped) (FID, FID-
MC, FPD)
Methanizer voltage: Voltage of methanizer (for FID-MC only)
Figure 3.8
3.1.5 How to Measure/Set the Pressure and Flow Rate of
Various Gases
The GC8000 uses gases such as a carrier gas, combustion gas for FID/FPD, and combustion air
for FID/FPD.
Normal analysis cannot be expected unless the specifi ed value is set for each gas.
While measuring the fl ow rate in a way described below, set the values according to the
“Operation Data.”
The pressure of each gas can be checked by pressure gauges on the Flow Control unit.
The fl ow rate of each gas can be checked by the fl ow meter and adjusted by the pressure
regulator or restrictor.
With EPC (Electric Pressure Controller)
(1) The SYS tab with the EPC to be checked is selected.
(2) The pressure information can be checked. Refer to fi gure 3.6.
2nd Edition : May 11, 2012-00
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