MSA
Technical Data
ALTAIR 4X
52
GB
5.2
Performance Specification
Combustible Gas
Combustible Gas Cross Reference Factors for
General-Purpose Calibration Using Calibration Cylinder (Part No. 10053022)
Range
0 to 100 % LEL or 0 to 5 % CH
4
Resolution
1 % LEL or 0.05 % vol CH
4
Reproducibility
3 % LEL, 0 % to 50 % LEL reading
or 0.15 % CH
4
, 0.00 % to 2.50 % CH
4
(normal temperature range)
5 % LEL, 50 % to 100 % LEL reading
or 0.25 % CH
4
, 2.50 % to 5.00 % CH
4
(normal temperature range)
5 % LEL, 0 % to 50 % LEL reading
or 0.25 % CH
4
, 0.00 % to 2.50 % CH
4
(extended temperature range)
8 % LEL, 50 % to 100 % LEL reading
or 0.4 % CH
4
, 2.50 % to 5.00 % CH
4
(extended temperature range)
Response time
90 % of final reading in less than or equal to 15 sec (pentane)
and 10 sec (methane) (normal temperature range)
Combustible Gas
Methane Calibration
1.45 Vol % CH
4
Set
33% LEL
Pentane Simulant Calibration
1.45 Vol % CH
4
Set 58 %LEL
Acetone
1.09
0.62
Acetylene
1.07
0.61
Butane
1.37
0.79
Cyclohexane
1.94
1.11
Diethylether
1.43
0.82
Ethane
1.27
0.73
Ethanol
1.16
0.66
Ethylene
1.09
0.62
Gasoline
1.63
0.93
FASIT Srl
- Via Orsera 13/b - 34145 TRIESTE - ITALY - Tel +39 040 825604 -
www.fasit.it
-
