Monitoring The Oxygen Concentration - MSA ALTAIR PRO Manual De Operación

MSA
2.4.

Monitoring the Oxygen Concentration

With the ALTAIR PRO the oxygen concentration is monitored in the atmosphere.
The alarm setpoints can be set to enrichment (concentration > 20.8%) or
depletion (concentration < 20.8%).
Attention!
If an alarm is triggered while using the instrument as a monitor, leave
the area immediately.
Remaining on site under such circumstances can cause serious
damage to health or can even lead to death.
When a set value is reached, an alarm is triggered:
! an acoustic signal sounds,
! alarm LEDs flash,
! a vibration alarm is triggered and
! in the display, "
and the corresponding oxygen concentration.
For more and detailed information " Section 3.4.
The LOW alarm (lower of the two %O
will not reset when O
reset alarm push the button
False oxygen alarms can occur due to barometric pressure (altitude)
changes or extreme changes in ambient temperature.
It is recommended that an oxygen calibration be performed at the
temperature and pressure of use. Be sure that the instrument is in
known fresh air before performing a calibration.
GB
ALARM
" is displayed in combination with "
concentration rises above the LOW setpoint. To
2
ALTAIR PRO - Operating Manual
alarm settings) is latching and
2
DESCRIPTION
LO HI
" or " "
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