MSA PrimaX - Page 42

Gas CAS-No. LEL
[vol%]
Response
time [s]
[t50]
*)
Response
time [s]
[t90]
*)
Gas/Fluid Response
factor
Acetone (C
3
H
6
O) 67-64-1 2.5 ≤ 10 ≤ 27 fluid 0.97
D
2-Butanone
[C
4
H
8
O]
78-93-3 1.5
≤ 13 ≤ 59
fluid
1.37
D
Ethanol [C
2
H
6
O]
64-17-5 3.1
≤ 10 ≤ 42
fluid
0.97
D
1-Ethoxy-2 propa-
nol [C
5
H
12
O
2
]
1569-02-4 1.3
≤ 24 ≤ 85
fluid
1.63
D
Ethyl acetate
[C
4
H
8
O
2
]
141-78-6 2.0
≤ 15 ≤ 39
fluid
1.23
D
FAM Benzine
65/95
64742-49-
0
0.7
≤ 10 ≤ 18
fluid
2.06
D
Hydrogen [H
2
]
1333-74-0 4.0
≤ 7 ≤ 13
gas
0.50
D
Methane [CH
4
]
74-82-8 4.4
≤ 8 ≤14
gas
0.55
M
Propane [C
3
H
8
]
74-98-6 1.7
≤ 8 ≤ 15
gas
1.00
D
1-Propanol
[C
3
H
8
O]
71-23-8 2.1
≤ 13 ≤ 44
fluid
1.44
D
2-Propanol
[C
3
H
8
O]
67-63-0 2.0
≤ 12 ≤ 29
fluid
1.12
D
Propene [C
3
H
6
]
115-07-1 2.0
≤ 9 ≤ 17
gas
0.81
D
Toluene [C
7
H
8
]
108-88-3 1.0
≤ 15 ≤ 41
fluid
1.36
D
n-Nonane [C
9
H
20
]
111-84-2 0.7 ≤ 14 ≤ 33 fluid
1.92
D
All response factors relate to propane
*) Response times are with a flow through adapter and a gas flow of 1 l/min
D
Response factor defined by DEKRA Testing and Certification GmbH
M
Response factor defined by MSA (not included in the EU-Type Examination Certificate BVS 10 ATEX E
009 X)
GB PrimaX 42
6 Technical Data