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Gas Alarm Setpoints; Stopping A Gas Alarm - Honeywell GasAlert Extreme User Manual

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GasAlert Extreme
User Manual

Gas Alarm Setpoints

Table 8 describes the gas setpoints that trigger the gas alarms.
Table 8. Gas Alarm Setpoints
Alarm
Low alarm
High alarm
TWA alarm
STEL alarm
29
Condition
Toxic gases: Ambient gas level
above low alarm setpoint.
O
: ambient gas level may be set
2
to above or below 20.9%.
Toxic gases: ambient gas level
above high alarm setpoint.
O
: ambient gas level may be set
2
to above or below 20.9%.
TWA above TWA alarm setpoint.
(O
: not applicable)
2
STEL above STEL alarm setpoint.
(O
: not applicable)
2

Stopping a Gas Alarm

The low and high alarms deactivate when the ambient gas level returns
to below the low alarm setpoint.
If alarms are set to latch, the alarms deactivate after the gas
concentration is lower than the low alarm setpoint and the
alarms have been acknowledged by pressing
The TWA and STEL alarms can be stopped either by
• Clearing the MAX, TWA, and STEL peak exposures. Refer to
Clearing Gas
Exposures.
or
• deactivating the detector and reactivating it again.
If the detector is passcode protected to prevent deactivation,
refer to
Deactivation Passcode
Follow all safety procedures as defined by your employer. Confirm
with your supervisor before clearing TWA and STEL alarms.
Note
C
.
Protection.
a Caution

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