MSAOperation
ALTAIR 4X
42
GB
Span Calibration
To skip the Span procedure, push the button.
If no button is pushed for 30 seconds, the device returns to the Measur-
ing mode.
(1) Once the Zero is set, the SPAN
screen displays.
(2) Connect the regulator to the Cal-
ibration Check Gas Cylinder.
(3) Connect the appropriate calibra-
tion gas to the device.
(4) Attach the calibration cap to the
device.
Insert tab on calibration cap
into slot on device.
Press calibration cap as
shown until it seats onto de-
vice.
Press both side tabs down
onto device until they snap in-
to.
Ensure that the calibration
cap is properly seated.
Connect one end of the tubing
to the calibration cap.
Connect other end of tubing to
the cylinder regulator [sup-
plied in the calibration kit].
(5) Open the pressure reducer valve
on test gas cylinder.
(6) Press the ON/OFF button to cali-
brate [span] the device.
LEDs flash
SPAN calibration starts.
(7) Close the valve after SPAN cali-
bration.
H2S
CO
COMB/EX
O2
COMB/EX
O2
COMB/EX
O2
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