Setting Measurement Gas Pressure (Oxygen Analyzer) - YOKOGAWA ZR22G User Manual

Procedure
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(1) "Sensor menu" > "Setting".
(2) Select "Fuel setup".
(3) Enter numerical value on "Exhaust water vapor content", "Theoretical air volume" "X value",
"Absolute humidity of outside air".
Figure 8.16
Default Values
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When the analyzer is delivered, or if data are initialized, default, parameter settings are as shown
in Table 8.16.
Table 8.16
Exhaust water vapor content
Theoretical air volume
X value
Absolute humidity of outside air
8.7.4 Setting Measurement Gas Pressure (Oxygen
Analyzer)
This instrument can correct the oxygen concentration value by setting the pressure of the sample
gas.
It is used when the influence of the pressure fluctuation of a sample gas, which occurs after
calibration, cannot be ignored. (A pressure fluctuation of 1 kPa causes a deviation of about 1% in
the reading value.)
If the sample gas pressure exceeds 3 kPa, do not use this function and use a detector with
pressure compensation. If you use a detector with pressure compensation, you do not need to
set this function.
Setting method of the measurement gas pressure
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There are two methods for inputting the sample gas pressure. One is measuring the actual
gas pressure with a pressure transmitter. The other one is manually inputting a preset value in
advance.
(1) "Sensor menu" > "Setting".
(2) On "Sensor setting", select "Input temp./press. setting".
(3) On "Input temp./press.setting", select "Oxygen model setting".
Fuel Setup
Default Settings for Fuel Values
Item
0.00 m
1.00 m
1.00
0.0000 kg/kg
<8. Detailed Data Setting>
Default setting
3 3
/kg (m )
3 3
/kg (m )
IM 11M12G01-02EN 1sh Edition : Mar. 25, 2021-00
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