79
Technical Data
ALTAIR io360
US
11.4 Gas Performance Specification
11.4.1 Combustible Gas
11.4.2 Oxygen
11.4.3 Carbon Monoxide
Range
0 to 100 % LEL or 0 to 5 % vol
Resolution
1 % LEL or 0.05 % vol
Response Time
90 % of final reading in less than or equal to 15 sec (methane)
(normal temperature range)
Reproducibility
3 % LEL, 0 % to 50 % LEL reading or 0.15% vol, 0.00% to 2.50% vol
(normal temperature range)
5 % LEL, 50 % to 100 % LEL reading or 0.25% vol, 2.50% to 5.00%
vol (normal temperature range)
5 % LEL, 0 % to 50 % LEL reading or 0.25% vol, 0.00% to 2.50% vol
(extended temperature range)
8 % LEL, 50 % to 100 % LEL reading or 0.4% vol, 2.50% to 5.00% vol
(extended temperature range)
The oxygen sensor has built-in temperature compensation. However, if temperature shifts
dramatically, the oxygen sensor reading may shift.
Range
0 to 30 vol. % O
2
. Certified for 0-25 vol. % O
2
Resolution
0.1 vol. % O
2
Reproducibility (0 to 30 vol. % O
2
)
0.7 vol. % O
2
Response time (90% of final reading)
< 10 seconds (normal temperature range)
Sensor Cross-Sensitivity
The oxygen sensor has no common cross-sensitives
Data is presented as the indicated output in PPM which will result from the application of the test
gas.
Range
0 - 1999 ppm CO
Resolution
1 ppm CO for 0 to 1999 ppm
Reproducibility (normal temperature range)
±5 ppm CO or 10 % of reading, whichever is greater
±10 ppm CO or 20 % of reading, whichever is greater
Response time (normal temperature range)
90% of final reading in less than or equal to 15 seconds
Sensor Cross-Sensitivity
See table below