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)
Gasoline (Petrol)
CnHm
101 Gasoline (Petrol) 0.6-1.2% 1/2 3 - 300
0.03-0.6% 1
0.015-0.03% 2
101L Gasoline (Petrol) 1000-2000 1 3 -
30-1000 2
1M Carbon monoxide 0.1-2% 1 3 -
T:Temp Correction H:Humidity Correction *:Refrigerator Store Mesh:Correction Factor/Chart


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