MSA ALTAIR 5X Manual De Uso página 43

6.1 Factory-set Alarm Thresholds and Setpoints
NOTE: Check the monitor or calibration certificate for exact alarm levels as they vary depending on national or corporate
regulations.
Sensor LOW alarm
CL2 0.5 ppm
ClO2 0.1 ppm
CO 25 ppm
CO-HC 25 ppm
COMB 10 % LEL
H2S 10 ppm
H2S-LC 5 ppm
HCN 4.5 ppm
HCN 4.5 ppm
NH3 25 ppm
NO 25 ppm
NO2 (S 20) 2.0 ppm
NO2 (XCell) 2.5 ppm
O2 19.5 %
PH3 0.3 ppm
SO2 2.0 ppm
IR Butane 8 % Vol
(25 % Vol)
IR CO2 (10 % 0.5 % Vol
Vol)
IR Methane - -2
(100 % Vol)
IR Propane 15% LEL
(100 % LEL)
IR Propane - -2
(100 % Vol)
1
STEL and TWA not applicable for combustible and oxygen gases.
2
No alarm thresholds are possible for the 0-100 % Vol Methane and Propane IR sensors. In environments with >100 %
LEL combustible gas present, devices with a catalytic combustible LEL sensor will be in a latching over-range alarm, and
the 100 % Vol IR sensors will display the % Vol gas reading.
US
HIGH alarm SETPOINT min
1.0 ppm 0.3 ppm
0.3 ppm 0.1 ppm
100 ppm 10 ppm
100 ppm 10 ppm
20 % LEL 5 % LEL
15 ppm 5 ppm
10 ppm 1 ppm
10.0 ppm 2.0 ppm
10.0 ppm 2.0 ppm
50 ppm 10 ppm
75 ppm 15 ppm
5.0 ppm 1.0 ppm
5.0 ppm 0.5 ppm
23.0 % 5.0 %
1.0 ppm 0.3 ppm
5.0 ppm 0.5 ppm
15 % Vol 5 % Vol
1.5 % Vol 0,2 % Vol
- -2 - -2
29% LEL 9% LEL
- -2 - -2
ALTAIR 5X / ALTAIR 5X IR
6 Technical Specifications
SETPOINT max STEL
7.5 ppm 1.0 ppm
0.9 ppm 0.3 ppm
1700 ppm 100 ppm
8500 ppm 100 ppm
60 % LEL --1
175 ppm 15 ppm
70 ppm 10 ppm
20.0 ppm 10 ppm
20.0 ppm 10.0 ppm
75 ppm 35 ppm
100 ppm 25 ppm
17.5 ppm 5.0 ppm
47.5 ppm 5.0 ppm
24.0 % --1
3.75 ppm 1.0 ppm
17.5 ppm 5.0 ppm
25 % Vol --1
8 % Vol 1.5 % Vol
- -2 --1
100% LEL --1
- -2 --1
TWA
0.5 ppm
0.1 ppm
25 ppm
25 ppm
--1
10 ppm
1 ppm
4.5 ppm
4.5 ppm
25 ppm
25 ppm
2.0 ppm
2.5 ppm
--1
0.3 ppm
2.0 ppm
--1
0.5 % Vol
--1
--1
--1
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