EL3000 CONTINUOUS GAS ANALYZERS | OI/EL3000-EN REV. D 127
Test gases – Uras26
Test gas for the zero calibration
Test gas for the end-point calibration
with calibration cells
2
or air or sample component-free gas —
without calibration cells
2
or air Span gas*
without calibration cells
2
or air Test gas for each sample component
/ Magnos28
(automatic calibration, i.e. Magnos206
/
Magnos28 with single-point calibration)
-free test gas with O
2
concentration in an existing measuring range or ambient
air.
Calibration cells or span gas*
/ Magnos28
Uras26 or Magnos206 / Magnos28, or
-point calibration for Magnos206 / Magnos28,
-free test gas with
2
concentration in an existing measuring range or
Span gas for all sample components in the Uras26 and in
the Magnos206 / Magnos28 (possibly only for the
Uras26 if a single-point calibration is carried out for the
Magnos206 / Magnos28)
-free test gas with O
2
concentration in an existing measuring range or
ambient
Calibration cells or span gas*
calibration)
Zero point gas for Uras26 or Magnos27, or IR sample
component
-free test gas with O
2
-concentration in an
existing measuring range or ambient air.
Span gas for all sample components in Uras26 and
Magnos27
calibration, i.e. Caldos27 with
single-point calibration)
-free test gas with a known and
constant rTC value (possibly also dried room air)
Calibration cells or span gas*
calibration)
Zero reference gas for Uras26 or Caldos27, or IR sample
component
-free test gas with a known rTC value
Span gas for all sample components in the Uras26 and
Caldos27 (possibly only for the Uras26 if a single-point
calibration is carried out for the Caldos27)
-free test gas with O
2
concentration in an existing measuring range or ambient
air.
Calibration cells or span gas*
calibration)
-free test gas with O
2
concentration in an existing measuring range or ambient
air.
Span gas for all sample components in Uras26
* Test gas mixture for multiple sample components possible if no or negligible cross-sensitivity is present
Dew point
The dew point of the test gases must be approximately equal to the dew point of the sample gas.
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