US
OPERATION MSA
40
ALTAIR 5 - Operating Manual
3.9.1 Zero
calibration
(1) Press
the
button in Normal
Measurement page.
•
ZERO screen displays.
To skip the ZERO procedure and move
directly to the calibration span
procedure, push the
button. If no
button is pushed for 30 seconds, the
instrument prompts user to perform a
SPAN calibration before instrument
returns to the Normal Measurement
page.
1:30 PM
ZERO CALIBRATION ?
YES
NO
%
PPM
0
0
%
PPM
20.8
0
SETUP
PPM
0
COMB
CO
O
2
H S
2
SO
2
(2) Press
the
button to confirm the
ZERO screen, i. e. to execute zero
calibration.
•
LEDs flash
•
“
ZERO CALIBRATION
“
blinks
•
ZERO calibration starts.
•
A progress bar shows the
user how much of the
calibration has been
completed.
1:30 PM
ZERO CALIBRATION
COMB
CO
O
2
H S
2
%
PPM
0
0
%
PPM
20.8
0
SETUP
65%
Cl
2
PPM
0.0
•
After the ZERO calibration is
completed the instrument
displays either
“
ZERO CALIBRATION
PASS
”
or
“
ZERO CALIBRATION
FAIL
”.
1:30 PM
ZERO CALIBRATION PASS
COMB
CO
O
2
H S
2
%
PPM
%
PPM
SETUP
Cl
2
PPM
1:30 PM
ZERO CALIBRATION FAIL
O
2
Cl
2
%
PPM
SETUP
•
Only if the instrument passes
the zero calibration the SPAN
screen displays.
1:30 PM
SPAN CALIBRATION ?
YES
NO
COMB
CO
O
2
H S
2
%
PPM
58
60
%
PPM
15.0
20
SETUP