EL3000 CONTINUOUS GAS ANALYZERS | OI/EL3000-EN REV. D 33
Fidas24
Sample gas
Sample components
Hydrocarbons. The concentration of the gas components in the
sample gas path must not exceed the temperature-dependent
LEL. The analyzer temperature is 180 °C.
Sample gas inlet conditions
– sample gas input conditions
Thermostat temperature (thermostat
temperature for sample gas path, detector and air
injector ≤
200 °C, factory-set at180 °C)
to 100 l/h at atmospheric pressure
hPa)
Note
The temperature, pressure and flow of the sample gas must be
kept constant, to such an extent that the influence of variations
on the measuring accuracy is acceptable.
Refer to Fidas24 on page 210.
Requirements for the sample gas outlet
The outlet pressure must be the same as the atmospheric
pressure.
Flammable gases
The gas analyzer may be used for the measurement of
flammable gases provided that the flammable portion does not
up-scale 15 Vol.-% CH
4
or does not up-scale C1 equivalents.
Further properties of the sample gas
The sample gas must not be explosive at any time.
The analyzer module must not be used for the measurement of
gases containing organometallic compounds, e.g. lead-
containing fuel additives or silicone oils.
Operational gases
Instrument air
8573-1 Class 2
µm,
1 mg/m
3
,
mg/m
3
,
°C below the lowest
expected ambient temperature
4000 hPa, ±500 hPa
1800 l/h (1200 l/h for the air jet
600 l/h for the housing
max. approx. 2200 l/h (1500 l/h + 700 l/h)
Combustion air
Synthetic air or catalytically purified air
Organic hydrocarbon content: < 1 % of the
e
hPa, ±100 hPa
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