MSA ALTAIR 5 Operating Manual page 40

OPERATION
3.9.2 Span Calibration
To skip the Span procedure, push the [
If no button is pushed for 30 seconds, the instrument returns to the
Measuring mode.
Because of the different combinations of gases it is possible to perform
single-channel calibration for the exotic sensors.
(1) Once the zero is set, the span
screen displays.
(2) Connect the appropriate
calibration gas to the instrument.
(3) Attach the calibration cap to the instrument, if equipped.
•
•
•
(4) Open the valve on the regulator.
(5) Press the [
(span) the instrument.
•
•
•
•
•
"
SPAN CALIBRATION
PASS
or
"
SPAN CALIBRATION
FAIL
•
40
Connect one end of the tubing to the calibration cap or pump
inlet.
Connect other end of tubing to the cylinder regulator (supplied in
the calibration kit).
Ensure that the calibration cap is correctly oriented, if equipped.
] button to calibrate
LEDs flash
"
SPAN CALIBRATION
blinks
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 instrument
displays either
"
"
The instrument returns to
Measuring mode.
ALTAIR 5 - Operating Manual
] button.
"
MSA
1:30 PM
SETUP
%
%
58 15.0
O
COMB
2
PPM
PPM
CO H S
20
60
2
SPAN CALIBRATION ?
YES NO
1:30 PM
SETUP
%
%
0 20.8
O
COMB
2
PPM
PPM
CO H S 0
0
2
SPAN CALIBRATION
65%
1:30 PM
SETUP
%
%
O
COM B
2
PPM
PPM
H S
CO
2
SPAN CALIBRATION PASS
1:30 PM
SETUP
%
O
COMB
2
PPM
CO
H S
2
SPAN CALIBRATION FAIL
US