MSA Sirius Mode D'emploi page 78

Table 7-8. HYDROGEN SULFIDE (appropriate models only)
- Typical Performance Specifications
RANGE 200 ppm H 2 S
RESOLUTION 1 ppm H 2 S, for 3 to 200 ppm H 2 S
REPRODUCIBILITY** +2 ppm H 2 S or 10% of reading, whichever is greater
0 to 100 ppm H 2 S, +15% > 100 ppm H 2 S
(normal temperature range*)
+5 ppm H 2 S or 20% of reading, whichever is greater
(extended temperature range*)
RESPONSE TIME 90% of final reading in 50 seconds* with sample line and probe
(normal temperature range)
*See TABLE 7-2 NOTE
**See TABLE 7-10 NOTE
Table 7-9. HYDROGEN SULFIDE - Cross Reference Factors
for Sirius Calibration Using Calibration Cylinder (P/N10045035)
NOTE: Data is presented as the indicated output in ppm, which would
result from the application of 100 ppm of the test gas
TEST GAS (100 PPM)
Hydrogen Sulfide (H 2 S)
Ethylene (C 2 H 4 )
Methane (CH 4 )
Hydrogen (H 2 )
TEST GAS (100 PPM)
Ammonia (NH 3 )
Chlorine (Cl 2 )
Nitrogen Dioxide (NO 2 )
Nitric Oxide (NO)
Carbon Monoxide (CO)
Hydrogen Chloride (HCl)
Hydrogen Cyanide (HCN)
Sulfur Dioxide (SO 2 )
Ethanol (EtOH)
Toluene
EQUIVALENT PPM
100 +10
0 +0
0 +0
0 +0
EQUIVALENT PPM
0 +0
0 +0
-20 +2
1 +1
4 +4
0 +0
1 +1
10 +3
0 +0
0 +0
7-7