120 EL3060 CONTINUOUS GAS ANALYZERS | OI/EL3060-EN REV. A
Uras26: Measurement of calibration cells
Menu path
Maintenance Basic Settings Measure Cal. Cell
Definition
The "deflection" of the calibration cell which is equivalent to the calibration
reading with test gas is determined in the measurement of the calibration
cell. The "deflection" is stored as the "set point" of the calibration cell.
When should the calibration cell be measured?
We recommend measuring the calibration cell once a year. We also recom-
mend measuring the calibration cell after the measuring range (see page 86)
set by the user has been calibrated with test gases for the first time and
always after the test gas has been changed.
Before measuring the calibration cell
Before the calibration cell is measured, the zero point and end point of the
sample components must be calibrated with test gases.
Feed in zero reference gas
Zero reference gas must be fed in during the measurement of the calibration
cell.
Status signal
The status signal "Maintenance mode" (see page 130) is active during the
measurement of the calibration cell.
NOTE
The calibration cell cannot be measured while an automatic calibration is in
progress.
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