EL3000 CONTINUOUS GAS ANALYZERS | CI/EL3000-EN REV. B 21
Limas23: Preparation for installation
Sample gas
Sample gas inlet conditions
The analyzer must not be used for measurement of flammable gases and
ignitable gas/air or gas/oxygen mixtures.
Temperature The dew point of the sample gas must be at least 5 °C
lower than the lowest ambient temperature in the overall
sample gas path. Otherwise, a sample gas cooler or con-
densate trap is required.
Pressure The analyzer is operated under atmospheric pressure; the
sample gas outlet is open to atmosphere. Internal pres-
sure drop < 5 hPa with standard flow rate 60 l/h. Permis-
sible absolute pressure range: 800 to 1250 hPa. Operation
under lower absolute pressure (e.g. at altitudes above
2000 m) on request. Overpressure in the sample cell max.
500 hPa.
Flow 20 to 100 l/h
Corrosive gases
The analyzer may not be used for the measurement of corrosive gases.
highly corrosive associated gas components such as chlorine (Cl
2
) or hydro-
gen chloride (e.g. wet HCl) as well as gases or aerosols containing chlorine
must be cooled or pre-absorbed.
Test gases
Analyzer(s) Test gas for zero-point calibration
and single-point calibration
Test gas for end-point calibration
Limas23 with calibration
cells (automatic calibration)
N
2
or air or
UV sample component-free gas
Calibration cells or
test gas for each sample component
Limas23 without calibration
cells (automatic calibration)
N
2
or air or
UV sample component-free gas
Test gas for each sample component
Limas23 without calibration
cells (manual calibration)
N
2
or air or
UV sample component-free gas
Test gas for each sample component
Limas23 +
Magnos206/Magnos28 or
oxygen sensor with calibra-
tion cells (automatic cali-
bration, i.e. Magnos206/
Magnos28 with single-point
calibration)
N
2
or oxygen- and
UV sample component-free gas
Either calibration cells and test gas
for oxygen detector or
test gas for each sample component,
respectively for each detector
Limas23 +
Magnos206/Magnos28 or
oxygen sensor without cali-
bration cells (automatic
calibration)
N
2
or oxygen- and
UV sample component-free gas
Test gas for each sample component,
respectively for each detector
Limas23 +
Magnos206/Magnos28 or
oxygen sensor without cali-
bration cells (manual cali-
bration)
N
2
or oxygen- and
UV sample component-free gas
Test gas for each sample component,
respectively for each detector
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