Altair Pro Function Checks; Confidence And Heartbeat Indicator; Alarm Test; Bump Test - MSA ALTAIR Pro H2S Manual De Operación

Chapter 3,

ALTAIR Pro Function Checks

Confidence and Heartbeat Indicator

• The alarm lights and heartbeat indicator on the display will
flash approximately every 60 seconds to indicate that the
ALTAIR Pro Detector is operating.

Alarm Test

• Check before each day's use.
• Turn ON instrument. A one-second test of the alarms will occur;
this includes the:
• display
• alarm lights
• vibrator
• horn.
• If these items do not activate, remove the instrument from service.
NOTE: For the Steel Mill version only, the alarm test occurs every
time the button is pressed for one second.

Bump Test

• Check before each day's use.
• Hold the TEST button for two seconds:
• oxygen versions will display the current oxygen reading;
calibrate the unit if it reads other than 20.8%.
• "TEST" "GAS" "?" will display.
• Press the TEST button while "TEST" "GAS" "?" displays to activate
the Bump Test mode.
• the hourglass and "GAS" will display.
• Apply gas only AFTER the hourglass and "GAS" are displayed.
• If gas is detected, the display will indicate "OK".
NOTE:
• Wait approximately five seconds:
• The " " that appears on the display:
See TABLE 3-1 for applied gases.
• indicates that the instrument passed the bump test.
• remains for 24 hours, indicating that a bump test
was performed on this instrument within the last
24 hours.
3-1