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 : V
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)
Valeric acid
CH3(CH2)3COOH
81L Acetic acid 0.38-15 1 2* T -
Vinyl acetate
CH3CO2CH:CH2
143 Vinyl acetate 100-250 1 3 + 10
10-100 2
5-10 4
141 Ethyl acetate 0.02-0.9% 1 3 T
Vinyl benzene :
Styrene
C6H5CH:CH
2
124 Styrene 500-1500 1/2 3 - 20
20-500 1
10-20 2
124L Styrene 25-100 1 3 -  
2-25 4
153 Methyl isobutyl ketone 0.075-0.9% 1 3 T  
Vinyl chloride
CH2:CHCl
131 Vinyl chloride 1-2% 1/2 3 - 1
0.05-1% 1
0.025-0.05% 2
131La Vinyl chloride 20-54 1/2 2* +
1-20 1
0.5-1 2
0.25-0.5 4
131L Vinyl chloride 3-6.6 1 2* +T
0.2-3 2
0.1-0.2 4
131LB Vinyl chloride 20-70 1 3* T
1-20 2
0.25-1 4
Vinyl cyanide :
Acrylonitrile
CH2:CHCN
191 Acrylonitrile 120-360 1 3 +T 2
5-120 2
2-5 4
191L Acrylonitrile 6-18 1 3 +
0.2-6 2
0.1-0.2 4
102L n-Hexane 0.06-1.44% 1 3 -
Vinylidene chloride
CH2:CCl2
130L Vinylidene chloride 14-40.6 1/2 2* + 5
1-14 1
0.4-1 2
Vinyl trimethoxysilane
CH2:CHSi(OCH3)3
113L Isopropyl alcohol 2.5-40 2 3 T -
T:Temp Correction H:Humidity Correction *:Refrigerator Store Mesh:Correction Factor/Chart
 
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