Gas or Vapour
to be Measured
Chemical Formula |
Gastec
Tube No. & Name |
Measuring
Range
(ppm) |
No.of
Pump
Strokes |
Shelf
Life
(year) |
Note |
TLV-TWA,C
(ACGIH)
(ppm) |
Chlorodifluoromethane(R22)
CHClF2 |
51H |
Fluorochlorocarbons
(Pyrotec tube) |
0.8-2.4%
0.1-0.8% |
1/2
1 |
3 |
+ |
1000 |
51 |
Fluorochlorocarbons
(Pyrotec tube) |
25-1000 |
1 |
3 |
+ |
51L |
Fluorochlorocarbons
(Pyrotec tube) |
50-135
2.5-50 |
1
2 |
3 |
+ |
Dichlorodifluoromethane
(R12)
CCl2F2 |
51H |
Fluorochlorocarbons
(Pyrotec tube) |
2600-7800
325-2600 |
1/2
1 |
3 |
+ |
1000 |
51 |
Fluorochlorocarbons
(Pyrotec tube) |
11-440 |
1 |
3 |
+ |
51L |
Fluorochlorocarbons
(Pyrotec tube) |
36-97
1.8-36 |
1
2 |
3 |
+ |
1,1-Dichloro-1-fluoroethane
(R141b)
CH3CCl2F |
51 |
Fluorochlorocarbons
(Pyrotec tube) |
400-1000
10-400 |
1/2
1 |
3 |
+ |
|
51L |
Fluorochlorocarbons
(Pyrotec tube) |
1.1-22 |
2 |
3 |
+ |
1,2-Dichloro-1,1,2,2-tetrafluoroethane
(R114) CClF2CClF2 |
51H |
Fluorochlorocarbons
(Pyrotec tube) |
3800-11400
475-3800 |
1/2
1 |
3 |
+ |
1000 |
51 |
Fluorochlorocarbons
(Pyrotec tube) |
20-800 |
1 |
3 |
+ |
51L |
Fluorochlorocarbons
(Pyrotec tube) |
36-97
1.8-36 |
1
2 |
3 |
+ |
2,2-Dichloro-1,1,1-trifluoroethane
(R123) CHCl2CF3 |
51 |
Fluorochlorocarbons
(Pyrotec tube) |
56-1600
14-56 |
1/2
1 |
3 |
+ |
|
51L |
Fluorochlorocarbons
(Pyrotec tube) |
1.4-28 |
2 |
3 |
+ |
Dimethyldisulphide
(CH3)2S2 |
53 |
Dimethylsulphide
(Pyrotec tube) |
0.3-6 |
3 |
2 |
+ |
|
Dimethylsulphide
(CH3)2S |
53 |
Dimethylsulphide
(Pyrotec tube) |
0.5-10
0.25-0.5 |
3
5 |
2 |
+ |
|
Methyl
chloride
CH3Cl |
51 |
Fluorochlorocarbons
(Pyrotec tube) |
12-480 |
1 |
3 |
+ |
50 |
51L |
Fluorochlorocarbons
(Pyrotec tube) |
32-86
1.6-32 |
1
2 |
3 |
+ |
Methylene chloride
CH2Cl2 |
51L |
Fluorochlorocarbons
(Pyrotec tube) |
1-20 |
2 |
3 |
+ |
50 |
Nitroethane
CH3CH2NO2 |
52 |
Nitroparaffin
(Pyrotec tube) |
4-240 |
1 |
3 |
|
100 |
Nitromethane
CH3NO2 |
52 |
Nitroparaffin
(Pyrotec tube) |
5-300 |
1 |
3 |
|
20 |
1-Nitropropane
CH3CH2CH2NO2 |
52 |
Nitroparaffin
(Pyrotec tube) |
4.2-252 |
1 |
3 |
|
25 |
2-Nitropropane
(CH3)2CHNO2 |
52 |
Nitroparaffin
(Pyrotec tube) |
3.7-222 |
1 |
3 |
|
10 |
Dichloropentafluoropropane
(R225) |
51 |
Fluorochlorocarbons
(Pyrotec tube) |
20-800 |
1 |
3 |
+ |
|
51L |
Fluorochlorocarbons
(Pyrotec tube) |
1.1-22 |
2 |
3 |
+ |
1,1,2,2-Tetrachloro-1,2-difluoroethane
(R112) CCl2FCCl2F |
51H |
Fluorochlorocarbons
(Pyrotec tube) |
1000-3000
125-1000 |
1/2
1 |
3 |
+ |
500 |
51 |
Fluorochlorocarbons
(Pyrotec tube) |
7-280 |
1 |
3 |
+ |
51L |
Fluorochlorocarbons
(Pyrotec tube) |
20-54
1-20 |
1
2 |
3 |
+ |
Trichlorofluoromethane
(R11) CCl3F |
51H |
Fluorochlorocarbons
(Pyrotec tube) |
2200-6600
275-2200 |
1/2
1 |
3 |
+ |
|
51 |
Fluorochlorocarbons
(Pyrotec tube) |
8-320 |
1 |
3 |
+ |
|
51L |
Fluorochlorocarbons
(Pyrotec tube) |
16-43
0.8-16 |
1
2 |
3 |
+ |
1,1,2-Trichloro
-1,2,2-trifluoroethane
(R113) CClF2CCl2F |
51H |
Fluorochlorocarbons
(Pyrotec tube) |
2000-6000
250-2000 |
1/2
1 |
3 |
+ |
1000 |
51 |
Fluorochlorocarbons
(Pyrotec tube) |
10-400 |
1 |
3 |
+ |
51L |
Fluorochlorocarbons
(Pyrotec tube) |
20-54
1-20 |
1
2 |
3 |
+ |
Trichloro-2,2,2-trifluoroethane
(R113b) CCl3CF3 |
51H |
Fluorochlorocarbons
(Pyrotec tube) |
1600-4800
200-1600 |
1/2
1 |
3 |
+ |
|
51 |
Fluorochlorocarbons
(Pyrotec tube) |
10-400 |
1 |
3 |
+ |
51L |
Fluorochlorocarbons
(Pyrotec tube) |
16-43
0.8-16 |
1
2 |
3 |
+ |