Gas Exposures Computed; Viewing Gas Exposures - Honeywell GasAlertMicro 5 User Manual

GasAlertMicro 5/PID/IR
User Manual

Gas Exposures Computed

To avoid possible personal injury, do not deactivate
the detector during a work shift. TWA and STEL readings
reset if the detector is deactivated for more than
5 minutes.
Table 8. Computed Gas Exposures
Gas Exposure
TWA (toxic only)
STEL (toxic only)
*
Peak (MAX)
*
For oxygen, it is the highest or the lowest concentration
encountered.
40
a Warning
Description
Time-weighted average
(TWA) based on accumulated
exposure to toxic gases aver-
aged over a work day accord-
ing to OSHA or ACGIH
method.
Short-term exposure limit
(STEL) to gas based on a
5-15 minute user selectable
period.
Peak (MAX) concentration
exposure during work shift.

Viewing Gas Exposures

Press and hold C until the
peak (MAX) gas exposures
displays.
The TWA gas exposures
display next.
The STEL gas exposures
display last.