AO2000 CONTINUOUS GAS ANALYZERS | OI/AO2000-EN REV. B 265
Calibrating the gas analyzer
Gas analyzer manual calibration
NOTES
Calibration should only be started after the warm-up phase.
A manual zero calibration must always be carried out before a manual span
calibration.
Gas analyzer manual calibration
1 Select the Manual Calibration menu:
MENU
→ Calibrate → Manual Calibration
2 For single calibration: Select Component and Measurement Range.
Zero calibration:
3 Select Zero Gas.
4 Turn on the zero gas supply.
5 If necessary, change the test gas concentration
1
shown, ENTER.
6 When the sample value indication stabilizes, initiate zero calibration
with ENTER.
7 Accept the calibration result with ENTER
or REPEAT
2
calibration (back to step 5)
or reject calibration with Back (back to step 6)
or reject calibration with Meas (back to measurement value readout).
Span calibration:
8 Select Span Gas.
9 Turn on the span gas supply.
10 If necessary, change the test gas concentration
3
shown, ENTER.
11 When the sample value indication stabilizes, initiate span calibration
with ENTER.
12 Accept the calibration result with ENTER
or REPEAT
4
calibration (back to step 10)
or reject calibration with Back (back to step 11)
or reject calibration with Meas (back to measurement value readout).
13 For single calibration, repeat steps 2 to 12 for other components and
measurement ranges.
1
The parameterized test gas concentration is displayed. If the set point is altered
here, the parameterized test gas concentration is overwritten.
2
A calibration may have to be repeated if the measured value is not stable after initi-
ation of the calibration. The repeated calibration is based on the measured value
obtained in the preceding calibration.
3
The parameterized test gas concentration is displayed. If the set point is altered
here, the parameterized test gas concentration is overwritten.
4
A calibration may have to be repeated if the measured value is not stable after initi-
ation of the calibration. The repeated calibration is based on the measured value
obtained in the preceding calibration.
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