MSA altair 4x - Page 55

MSA
Technical Data
ALTAIR 4X
56
GB
Hydrogen Sulphide Low Concentration (H2S-LC)
Nitrogen Dioxide
Chlorine (Cl
2
)10 -14
Hydrogen Cyanide (HCN) 30 -3
Ammonia (NH
3
)25 -1
Toluene 53 0
Isopropanol 100 -3
Hydrogen (H
2
) 100 0
Range 0 - 100 ppm H
2
S
Resolution 0.1 ppm H
2
S
Reproducibility ±0.2 ppm H
2
S or 10 % of reading, whichever is
greater (normal temperature range)
±0.5 ppm H
2
S or 20 % of reading, whichever is
greater (extended temperature range)
Response time (typical) 90% of final reading < 15 seconds (normal tem-
perature range)
Range 0 - 50 ppm NO
2
Resolution 0.1 ppm NO
2
Reproducibility ±1 ppm NO
2
or 10 % of reading, whichever is
greater (normal temperature range)
±2 ppm NO
2
or 20 % of reading, whichever is
greater (extended temperature range)
Response time (typical) 90% of final reading < 20 seconds (normal tem-
perature range)
Test Gas Applied
Concentration (PPM)
Applied
H
2
S Channel %
Cross-sensitivity
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