MSA ALTAIR 5X Manual De Uso página 17

NOTE: This page can be deactivated through MSA Link Software.
Time Weighted Average (TWA page)
WARNING!
If the TWA alarm activates, leave the contaminated area immediately; the ambient gas concentration has reached the
preset TWA alarm level. Failure to follow this warning will cause over-exposure to toxic gases and persons relying on this
product for their safety could sustain serious personal injury or death.
This page shows the average exposure over 8 hours since the device was turned ON or since the TWA reading was reset.
When the amount of gas detected is greater than the eight-hour TWA limit:
Monochromatic Display
TWA
• Alarm sounds
• Alarm LEDs flash
• "TWA ALARM" message flashes.
To reset the TWA Readings:
1. Access the TWA page.
2. Press the ▲ button.
The TWA alarm is calculated over an eight-hour exposure.
TWA calculation examples:
1 hour exposure of 50 ppm:
4 hour exposure of 50 ppm and 4 hour exposure of 100 ppm:
12 hour exposure of 100 ppm:
NOTE: This page can be deactivated through MSA Link Software.
Date Display
Current date appears on the display in the format: MM-DD-YY.
Last cal page
Displays the device last successful calibration date in the format: MM-DD-YY. This page can be deactivated through MSA
Link software or the SETUP - CAL OPTIONS page.
Cal due page
Displays the days until the device's next calibration is due (user selectable). This page can be de-activated through MSA
Link software or the SETUP - CAL OPTIONS page.
US
Color Display
ALTAIR 5X / ALTAIR 5X IR
3 Description
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