Gastec Tubes and Sampling Pump
Short terms quick measuring detector tubes 
  A  
  B  
  C  
  D  
  E  
  F  
  G  
  H  
  I  
  L  
  M  
  N  
  O  
  P  
  S  
  T  
  V  
  W  
  X  
Gas sampling pump kit and accessories
 
 
 
Index of target gases/substances : O
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)
Octane
CH3(CH2)6CH3
101 Gasoline(Petrol) 0.036-0.72% 1 3 - 300
105 Hydrocarbons
(HigherClass)
200-3000 1 3 -
100-200 2
Olefines 100A LPG 0.34-13.6 mg/L 1 3 - -
Oxygen
O2
31B Oxygen 6-24% 1/2 3 @ -
3-6% 1
Ozone
O3
18M Ozone 200-400 1/2 3 - 0.08
20-200 1
4-20 2-5
18L Ozone 0.6-3 1 3 -
0.05-0.6 5
0.025-0.05 10
T:Temp Correction H:Humidity Correction *:Refrigerator Store Mesh:Correction Factor/Chart
@:Five tests(tubes) and long size glass detector tube for tube 31B only.
 
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