BW Technologies GasAlertMicro 1, Руководство пользователя

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GasAlertMicro
Users Manual
Gas Exposures Computed
a
Warning
To avoid possible personal injury, do not turn off the
detector during a work shift. TWA and STEL readings
reset if the detector is left off for more than 5 minutes.
Table 7. Computed Gas Exposures
Gas Exposure Description
TWA (CO, SO
2
and H
2
S only)
Time-weighted average based on an
8-hour workday. Accumulated value.
STEL (CO,
SO
2
and H
2
S
only)
Short-term exposure level based on a
5-15 minute period (user selectable).
Accumulated value.
Maximum*
(Peak) Maximum gas exposures encountered
during work shift.
* For Oxygen, maximum concentration encountered of
either very high or very low levels.
Viewing Gas Exposures
⇒
Press
C
until the display shows the TWA gas exposures:
The display then shows the STEL gas exposures:
Then the maximum gas exposures:
To clear the TWA, STEL and maximum gas exposure
readings, press
C
and
G
simultaneously.
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