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EL3060
CONTINUOUS GAS ANALYZERS | OI/EL3060-EN REV. A
Uras26: Notes on calibration
Calibration methods
Automatic calibration: Zero-point/end-point calibration
Manual calibration:
Zero-point/end-point calibration
Calibration cells
The use of calibration cells (option) enables the end-point calibration of the
Uras26 to be carried out without test gas cylinders.
A calibration cell is installed in each optical beam path of the analyzer as per
the order. Each calibration cell is filled with a test gas, whose composition
and concentration has been adapted to the sample components and meas-
uring ranges which have been installed in the respective optical beam path.
They are moved into the optical beam path for the end-point calibration.
Information on the installed calibration cells is contained in the analyzer
data sheet (see page 33).
The set points of the calibration cells should be checked at prolonged inter-
vals (see page 120, recommendation: once a year).
Manual calibration
The menu
Manual Calibration
is used to select whether each sample
component is calibrated individually or all sample components are calibrated
together in the zero-point calibration of the Uras26. It is also used to select
whether the end-point calibration of the Uras26 is carried out with calibra-
tion cells or test gases.
Calibration of the Uras26 together with a Magnos206 or Magnos28 or
Caldos27 or Caldos25
Automatic calibration
Zero-point calibration of the Caldos25 (see page 79) or an end-point calibra-
tion of Magnos206 (see page 73) or Magnos28 (see page 75) or Caldos27
(see page 77) is executed simultaneously during the zero-point calibration of
the Uras26. The test gas (see page 24) is to be selected accordingly.
Manual calibration
The zero-point/end-point calibration is permanently set as the calibration
method for the (infrared) sample components of the Uras26.
The calibration method for the (non-infrared) sample component of the
Magnos206 or the Magnos28 or the Caldos27 or the Caldos25 has to be con-
figured. For the manual calibration it is possible to select whether these
sample components are to be calibrated individually or together with the
sample components the Uras26.
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