MSA altair 4x - Page 54

Technical DataMSA
ALTAIR 4X
GB
55
Hydrogen Sulphide
Test Gas Applied
Concentration (PPM)
Applied
CO Channel %
Cross-sensitivity
Hydrogen Sulfide (H
2
S) 40 0
Carbon Monoxide (CO) 100 100
Nitric Oxide (NO) 50 84
Nitrogen Dioxide (NO
2
)11 0
Sulfur Dioxide (SO
2
)9 -4
Chlorine (Cl
2
)10 0
Hydrogen Cyanide (HCN) 30 -5
Ammonia (NH
3
)25 0
Toluene 53 0
Isopropanol 100 -8
Hydrogen (H
2
)100 48
Range 0 - 200 ppm (0 to 284 mg/m
3
) H
2
S
Resolution 1 ppm (1.4 mg/m
3
) H
2
S,
for 3 to 200 ppm (4,3 to 284 mg/m
3
) H
2
S
Reproducibility ±2 ppm (2.8 mg/m
3
) H
2
S or 10 % of reading,
whichever is greater (normal temperature
range)
0 to 100 ppm (0 to 142 mg/m
3
) H
2
S,
±5 ppm (7,1 mg/m
3
) H
2
S or 10 % of reading,
whichever is greater
Response time 90% of final reading in less than or equal to
15 seconds (normal temperature range)
Test Gas Applied
Concentration (PPM)
Applied
H
2
S Channel %
Cross-sensitivity
Hydrogen Sulfide (H
2
S) 40 100
Carbon Monoxide (CO) 100 1
Nitric Oxide (NO) 50 25
Nitrogen Dioxide (NO
2
)11 -1
Sulfur Dioxide (SO
2
)9 14
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