Function Tests On The Instrument - MSA ALTAIR PRO Manual De Operación

MSA
3.9.

Function Tests on the Instrument

Checking the Confidence indicator
The alarm LEDs and the Confidence indicator in the display must flash every
60 seconds after starting the instrument. This indicates the instrument is
operating correctly
Alarm Test
The alarm test must be conducted before each use.
It is part of the self-test.
(1) Turn ON the instrument.
A short alarm is triggered. These include:
! temporary display indicators;
! alarm LEDs flash;
! acoustic signal sounds briefly and
! vibration alarm is triggered briefly.
For the Steel Mill version only, the alarm test occurs every time the
button is pressed for one second.
Bump-Test
The bump-test (" Fig. 6) must be conducted before each use.
(1) Press the button for two seconds.
! In the oxygen version, the set oxygen concentration is displayed.
Calibration (" Section 3.10) must be carried out if the value deviates
from 20.8%.
TEST
! "
! The alarm test (see above) is triggered.
(2) Press the button again if "
! Hour glass and "
(3) Feed test gas into the instrument (possible test gases " Section 5.3).
! If gas is detected "
(4) Wait approximately five seconds.
A "
!
successful
GB
GAS ?
" " " " " is displayed.
GAS
OK
#
" is displayed for 24 hours to indicate that the self-test was
ALTAIR PRO - Operating Manual
TEST GAS ?
" " " "
" are displayed
" is displayed
" is displayed.
OPERATION
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