ALTAIR 5X/ALTAIR 5X IR
GB
25
Time Weighted Average [TWA page]
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 great-
er than the eight-hour TWA limit:
- Alarm sounds
- Alarm LEDs flash
-“TWA ALARM” message flashes.
To reset the TWA:
(1) Access the TWA page.
(2) Press the button.
The TWA alarm is calculated over an eight-hour exposure.
Attention!
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 per-
sonal injury or death.
Monochromatic display Colour display
TWA
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