ALTAIR 5X PID
22
Description
US
15 minute exposure of 35 ppm:
10 minute exposure of 35 ppm and 5 minutes exposure of 15 ppm:
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:
- Alarm sounds
- Alarm LEDs flash
- “TWA ALARM” message flashes.
To reset the TWA Readings:
(1) Access the TWA page.
(2) Press the S button.
The TWA alarm is calculated over an eight-hour exposure.
(15 minutes x 35 ppm)
= 35 ppm
15 minutes
(10 minutes x 35 ppm) + (5 minutes x 5 ppm)
= 25 ppm
15 minutes
This page can be de-activated 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.
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