ABB LS4000 Operating Instructions Manual - page 199
LS4000, LS4060 DIODE LASER ANALYZERS | OI/LS4000/O2-EN REV. A
199
Calibration
Proceed as follows:
Step
Procedure
1
Click on "Service".
The "Service" menu is displayed.
2
Click on "Calibration".
The "Calibration options" menu is displayed (see page 201).
3
Click on "Start user calibration".
The "Calibration settings" menu is displayed (see page 202).
Step
Procedure
4
Determine the value to be entered in the "Concentration in gas
cell" field as follows:
If
…
then
…
the calibration is performed
with instrument air
enter "20.9".
the concentration of the calibra-
tion gas is known
enter the concentration of the
calibration gas.
Make the following settings:
Concentration in gas cell
(the value determined in step 4)
Unit of calibration gas
Unit in which the calibration gas
concentration is to be displayed
Averaging time
Measuring duration for deter-
mining the average value (typi-
cally 30 s, max. 60 s.)
Calibration signature
User name (this entry is optional)
Step
Procedure
5
Click on "Next".
The "Calibration" menu is displayed (see page 203).
Step
Procedure
6
Allow the calibration gas to flow through the calibration cell (flow
rate approx. 1 l/min).
7
Observe the display of measured value. When the measured value
is stable, click on "Start".
The calibration process starts.
8
Read the measurements taken during the calibration process.
Opening the
calibration menu
Entering calibration
data
Calibration