ALTAIR 5X/ALTAIR 5X IR
GB
53
Span Calibration
To skip the Span calibration procedure, push the button.
If no button is pushed for 30 seconds, span calibration is skipped.
Because of the different possible combinations of gases, skipping a Span calibra-
tion could advance the user to the Span calibration of another installed sensor, or
back to Measrung mode.
When calibrating with combustible gases > 100 % LEL, select the "Yes" option to
prompt "Span Calibration?" BEFORE applying gas to the device.
If the SPAN calibration of the combustible sensor is skipped after a suc-
cessful ZERO calibration, the combustible sensor reading may be re-
placed with a moving display of dashed lines [- -] for a few moments.
This is normal, and the device is fully operational once a combustible
gas reading reappears.
(1) Connect one end of tubing to the
cylinder regulator [supplied in the
calibration kit].
(2) Connect the other end of the tub-
ing to the pump inlet.
(3) Press the button to calibrate
[span] the device.
“SPAN CALIBRATION“ flash-
es
SPAN calibration starts.
A progress bar shows the user
how much of the calibration
has already been completed.
After the SPAN calibration is
completed, the device displays
either
“SPAN CALIBRATION PASS”
or
“SPAN CALIBRATION FAIL”
The device returns to Measur-
ing mode.
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