EL3000
CONTINUOUS GAS ANALYZERS | CI/EL3000-EN REV. C
17
Test gases – Uras26
Analyzer(s)
Test gas for the zero calibration
Test gas for the end-point calibration
Uras26
with calibration cells
(automatic calibration)
N
2
or air or sample component-free gas
—
(calibration cells)
Uras26
without calibration cells
(automatic calibration)
N
2
or air
Span gas*
Uras26
without calibration cells
(manual calibration)
N
2
or air
Test gas for each sample component
Magnos206 / Magnos28
(automatic calibration, i.e. Magnos206 /
Magnos28 with single-point calibration)
IR sample component-free test gas with O
2
concentration in an existing measuring range or ambient
air.
Calibration cells or span gas*
Magnos206 / Magnos28
(manual calibration)
Zero reference gas for Uras26 or Magnos206 /
Magnos28, 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 the Uras26 and in
the Magnos206 / Magnos28 (possibly only for the
Uras26 if a single-point calibration is carried out for the
Magnos206 / Magnos28)
Magnos27
(automatic calibration)
IR sample component-free test gas with O
2
concentration in an existing measuring range or ambient
air.
Calibration cells or span gas*
Magnos27
(manual 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
Caldos27
(automatic calibration, i.e. Caldos27 with
single-point calibration)
IR sample component-free test gas with a known and
constant rTC value (possibly also dried room air)
Calibration cells or span gas*
Caldos27
(manual 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)
oxygen sensor
(automatic calibration)
IR sample component-free test gas with O
2
concentration in an existing measuring range or ambient
air.
Calibration cells or span gas*
Oxygen sensor
(manual calibration)
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
* 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.
Note
The instructions for calibration must be observed, see Operating instruction.
