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Index of
target
gases/substances
: X |
 |
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) |
Xylene
C6H4(CH3)2 |
123 |
Xylene |
250-500 |
1/2 |
3 |
- |
100 |
| 10-250 |
1 |
| 5-10 |
2 |
| 123L |
Xylene |
100-200 |
1 |
3 |
- |
| 2-100 |
2 |
| 100A |
LPG |
0.1-1.2% |
2 |
3 |
- |
| 122L |
Toluene |
100-200 |
1 |
3 |
- |
| 4-100 |
2 |
| 2-4 |
4 |
|
T:Temp
Correction |
H:Humidity
Correction |
*:Refrigerator
Store |
Mesh:Correction
Factor/Chart |
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