36
GasAlertQuattro
Sensor Configuration
If
LEL by Volume CH4
is enabled, a percentage value must be
entered in the
50% LEL = (%CH4)
(applicable to LEL sensor only).
The detector is shipped with the
LEL by Volume CH4
option disabled.
10% LEL (of reading) Over-span
If enabled, the detector automatically over-spans the LEL sensor by
10% of the span concentration. Enable
10% LEL (of reading) Over-
Span
to ensure the detector is in compliance with CAN/CSA C22.2 No.
152.
The detector is shipped with the
10% LEL (of reading) Over-Span
option disabled.
20.8 Base Reading
If the
20.8 Base Reading
option is enabled, the detector assumes
20.8 % O
2
as ambient air (factory default is 20.9% O
2
). Applicable to
the O
2
sensor only.
The detector is shipped with the
20.8 Base Reading
option disabled.
Low Alarm Acknowledge
If the
Low Alarm Acknowledge
option is enabled, the audible alarm
can be disabled during a low alarm condition. The LED and visual alarm
indicators remain active until the alarm condition changes or the detector
deactivates. Press
C
to acknowledge the low alarm and deactivate the
audible alarm. If the alarm escalates to a high, TWA, or STEL alarm, the
audible alarm reactivates.
Note
The
Low Alarm Acknowledge
option is not applicable to O
2
.
The detector is shipped with the
Low Alarm Acknowledge
disabled for
all sensors.
