MSA altair 4x - Performance Specifications

MSATechnical 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
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