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Gas Alarm Setpoints
The detector's gas alarm setpoints trigger the gas alarms
described in the table below.
Table 8. Gas Alarm Setpoints
Alarm
Low alarm
CO, H
gas level above low alarm
setpoint. (For O
High alarm
CO, H
gas level above high alarm
setpoint. (For O
TWA alarm
Accumulated value above the
(CO and H
S
TWA alarm setpoint.
2
only)
STEL alarm
Accumulated value above the
(CO and H
S
STEL alarm setpoint.
2
only)
Multi-gas alarm
Two or more gas alarm
conditions.
Condition
S, and LEL: Ambient
2
, see below.)
2
S, and LEL: Ambient
2
, see below.)
2
Oxygen Alarm Setpoints
User selectable for low and high alarms in the 0-30.0%**
range. Set both below, both above, or one above and one
below 20.9% as desired.
Alarm setpoints > 20.9% (v/v) for increasing Oxygen
concentrations.
Alarm setpoints < 20.9% (v/v) for decreasing Oxygen
concentrations.
** See Specifications
Resetting Gas Alarm Setpoints
Standard factory alarm setpoints may vary by
region.
Table 9. Factory Set Alarm Setpoints
Gas
Low
CO
35 ppm
200 ppm
H
S
10 ppm
15 ppm
2
O
19.5%
22%
2
Combustible
10% LEL 20% LEL
Gases
GasAlertMax
Alarms
Note
High
TWA
STEL
35 ppm
50 ppm
10 ppm
15 ppm
N/A
N/A
N/A
N/A
29
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