GasAlert Extreme
User Manual
29
Gas Alarm Setpoints
Table 8 describes the gas setpoints that trigger the gas alarms.
Table 8. Gas Alarm Setpoints
Stopping a Gas Alarm
The low and high alarms deactivate when the ambient gas level returns
to below the low alarm setpoint.
Note
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
C
.
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 Protection
.
a
Caution
Follow all safety procedures as defined by your employer. Confirm
with your supervisor before clearing TWA and STEL alarms.
Alarm
Condition
Low alarm
Toxic gases: Ambient gas level
above low alarm setpoint.
O
2
: ambient gas level may be set
to above or below 20.9%.
High alarm
Toxic gases: ambient gas level
above high alarm setpoint.
O
2
: ambient gas level may be set
to above or below 20.9%.
TWA alarm
TWA above TWA alarm setpoint.
(O
2
: not applicable)
STEL alarm
STEL above STEL alarm setpoint.
(O
2
: not applicable)
Содержание GasAlert Extreme
Страница 1: ......
Страница 6: ...GasAlert Extreme User Manual ...
Страница 8: ...GasAlert Extreme User Manual ...
Страница 10: ...GasAlert Extreme User Manual ...
Страница 62: ...GasAlert Extreme User Manual ...
Страница 63: ...iERP 125465 D5561 6 English BW Technologies 2008 All rights reserved ...