MSA ALTAIR 5X Manual De Uso página 46
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Ver también para ALTAIR 5X:
- Manual de instrucciones (259 páginas) ,
- Manual de uso (253 páginas) ,
- Manual de uso (70 páginas)
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6 Technical Specifications
Sensor
Zero Gas
IR CO
(10 % Vol)
Fresh Air
2
IR Butane (25 % Vol)
Fresh Air
IR Propane (100 % Vol)
Fresh Air
IR Propane (100 % LEL)
Fresh Air
IR Methane (100 % Vol)
Fresh Air
Span values can be changed if using different gas cylinders than those listed. Changes can be made
using MSA Link software and through calibration cylinder setup.
*For most accurate results, calibration with ClO
**Zero cal time is one minute if a catalytic combustible sensor is installed - 30 seconds if not.
NOTE: LEL values, if not listed here, are according to EN 60079-20-1. Local regulations may differ.
6.4
Combustible Gas Cross Reference Factors for General-Purpose Calibration Using Calibration Cylinder
(P/N 10053022)
Combustible Gas
Acetone*
Acetylene
Butane
Cyclohexane
Diethylether*
Ethane
Ethanol*
Ethylene
Gasoline
n-Hexane
Hydrogen
Isobutane
Isopropyl Alcohol*
Methane
Methanol*
Nonane*
Nonane with EX-H sensor
Pentane
Propane
Propylene
Toluene*
Xylene*
Xylene with EX-H sensor
NOTE: Gas in the table above indicated with a * will have significantly longer response times, especially at lower concentration levels.
Response notes
1.
Some compounds may reduce the sensitivity of the comb*ustible gas sensor by poisoning or inhibiting the catalytic action or by polymerizing on the catalytic surface.
2.
Multiply the displayed % LEL value by the conversion factor above to get the true % LEL.
3.
These conversion factors should be used only if the combustible gas is known.
4.
All factors are based on the IEC 100 % LEL levels
a.
i.e. Methane 100% LEL = 4.4 Vol %,
b.
Pentane 100% LEL = 1.1 Vol %
c.
Propane 100% LEL = 1.7 Vol %
5.
These conversion factors are typical. Individual units may vary by ±25 % from these values.
46
Zero Cal
Span Cal Gas
Span Cal
Value**
0.03 %
2.5 % CO
2.5 %
2
0
8 % Vol
8 % Vol
0
50 % Vol Propane
50 % Vol
0
0.6 % Vol Propane
29% LEL
0
50 % Vol Methane
50 % Vol
is recommended.
2
Methane Calibration
1.45 Vol % CH
Set 33 % LEL
1.09
1.07
1.37
1.94
1.43
1.27
1.16
1.09
1.63
1.86
0.98
1.63
1.55
1.00
0.93
4.48
3.03
1.90
1.39
1.14
2.09
4.83
3.57
ALTAIR 5X / ALTAIR 5X IR
Value
Time
(min)
2
2
2
2
2
4
Pentane Simulant Calibration 1.45 Vol % CH
Set 58 % LEL
0.62
0.61
0.79
1.11
0.82
0.73
0.66
0.62
0.93
1.06
0.56
0.93
0.88
0.57
0.53
2.56
1.73
1.00
0.79
0.65
1.19
2.76
2.04
4
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