EL3000
CONTINUOUS GAS ANALYZERS | OI/EL3000-EN REV. D
127
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 point gas for Uras26 or Magnos206 / Magnos28, or
for single-point calibration for Magnos206 / Magnos28,
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.