Factory-Set Alarm Thresholds - MSA ALTAIR 4 Operating Manual

MSA
5.2

Factory-set Alarm thresholds

Sensor
alarm
LEL 10 % LEL 20 % LEL
O 19.5 %
2
CO 25 ppm
H S 10 ppm
2
Min. alarm set
Sensor
LEL
O
2
CO
H S
2
This instrument is not approved for use in atmospheres containing >21 %
oxygen.
TECHNICAL SPECIFICATIONS/CERTIFICATIONS
LOW HIGH
STEL
alarm
--
23.0 % --
100 ppm 100
15 ppm 15
Max. alarm set
point point
5 60
5.0 24
20 950
5 175
ALTAIR 4 - Operating Manual
TWA
--
--
25
10
Auto-cal values
58%
15.0%
60 ppm
20 ppm
45