Gastec Tubes and Sampling Pump
Short terms quick measuring detector tubes 
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Gas sampling pump kit and accessories
 
 
 
Index of target gases/substances : N
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)
Naphthalene
C10H8
60 Phenol 0.5-14 2 2* T -
Nitric acid
HNO3
15L Nitric acid 20-40 1/2 3 H 2
1-20 1
0.1-1 2-10
80 Acid gases 5-100 2 2 -
Nitroethane
CH3CH2NO2
52 Nitroparaffin
(Pyrotectube)
4-240 1 3 - 100
Nitrogen dioxide
NO2
9L Nitrogen dioxide 30-125 1 3 - 3
0.5-30 2
10 NO+NO2 2.5-200 1 3 +
80 Acidgases 0.2-4 2 2 -
Nitric oxide
NO
10 NO+NO2
 
5-200 1 3 +T 25
2.5-5 2
Nitrogen oxides
NO+NO2
11HA Nitrogen oxides 50-2500 1 2 - -
11S Nitrogen oxides 250-625 1/2 2 -
10-250 1
5-10 2
11L Nitrogen oxides 5-16.5 1 3 -
0.2-5 2
0.08-0.2 4
0.04-0.08 8
Nitromethane
CH3NO2
52 Nitroparaffin
(Pyrotectube)
5-300 1 3 - 20
1-Nitropropane
CH3CH2CH2NO2
52 Nitroparaffin
(Pyrotectube)
4.2-252 1 3 - 25
2-Nitropropane
(CH3)2CHNO2
52 Nitroparaffin
(Pyrotectube)
3.7-222 1 3 - 10
Nitrotrichloromethane:
(Chloropicrin Cl3CNO2)
134 Carbon tetrachloride 2.5-60 1 1* + 0.1
Nonane
CH3(CH2)7CH3
105 Hydrocarbons(HigherClass) 260-3900 1 3 - 200
130-260 2
T:Temp Correction H:Humidity Correction *:Refrigerator Store Mesh:Correction Factor/Chart
 
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