Monitoring Toxic Gases - MSA ALTAIR 5 Manuel D'utilisation

MONOCHROME DISPLAY
SENSOR MISSING
If a sensor is detected as missing, the following occurs:
• "SENSOR MISSING" flashes on the display.
• The sensor detected as missing flashes on the display.
• Alarm sounds and Alarm LEDs flash.
• The alarm can be silenced by pressing the ▲ button; no other
pages can be viewed.
The instrument should be powered down and the sensor re-seated.

2.6 Monitoring Toxic Gases

The instrument can monitor the concentration of toxic gases in ambient
air. Which toxic gases are monitored depends on the installed sensors.
The instrument displays the gas concentration in parts per million (PPM)
or mg/m on the Measuring page.
3
If an alarm activates while using the instrument, leave the
area immediately.
Remaining in the area under such circumstances can cause
serious personal injury or death.
The instrument has four gas alarms:
• HIGH Alarm
• LOW Alarm
• STEL Alarm
• TWA Alarm
2-14
COLOR DISPLAY
SENSOR MISSING
! WARNING