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 : P
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)
Pentachloroethane
Cl2CHCCl3
133L Tetrachloroethylene 20-500 1 2* T -
1,3-Pentadiene
CH3CH:CHCH:CH2
174 1,3-Butadiene 250-4000 1 3 T -
174L 1,3-Butadiene 42.5-850 4 3   -
Pentamethylenediamine
H2N(CH2)5NH2
180L Amines 0.75-15 1 2 T -
n-Pentane
CH3(CH2)3CH3
104 Butane 30-1680 1 3 - 600
103 Hydrocarbons
(LowerClass)
0.9`1.8% 1/2 2 ++
0.075`0.9% 1
0.0375-0.075% 2
2-Pentenenitrile
CH3CH2CH:CHCN
193 2-Pentenenitrile 6-15 2 3 +T -
0.5-6 4
191L Acrylonitrile 0.24-7.2 2 3 -
3-Pentenenitrile
CH3CH:CHCH2CN
191L Acrylonitrile 0.4-12 2 3 - -
Pentyl acetate :
n-Amyl acetate
CH3CO2(CH2)4CH
3
147 Amyl acetate 10-200 2 2 T 100
Perchloroethylene:
Tetrachloroethylene
Cl2C:CCl
2
133HA Tetrachloroethylene 300-900 1/2 2* T 25
20-300 1
7-20 2
133M Tetrachloroethylene 100-250 1/2 2* T
5-100 1
2-5 2
133L Tetrachloroethylene 25-70 1/2 2* T
2-25 1
1-2 2
133LL Tetrachloroethylene 3-9 1/2 2* T
0.2-3 1
0.1-0.2 2
132HH Trichloroethylene 0.075-1.5% 1 3 T
Petroleum distillates:
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 -
Petroleum naphtha 106 Petroleum naphtha 14-28 mg/L 1/2 3 - -
1-14 mg/L 1
0.5-1 mg/L 2
Phenol
C6H5OH
60 Phenol 62.5-187 1/2 2* T 5
25-62.5 1
1-25 2
0.4-1 4
Phenylethylene :
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
Phosgene
COCl2
16 Phosgene 5-20 1 1.5* T 0.1
0.1-5 5
0.05-0.1 10
Phosphine
PH3
7H Phosphine 2500`5500 1/2 2 T 0.3
200`2500 1
7J Phosphine 500-1000 1/2 3 -
25-500 1
2.5-25 2-10
7 Phosphine 50-100 1 3 -
5-50 2
2.5-5 4
7L Phosphine 0.3-5 5 3 -
0.15-0.3 10
7LA Phosphine 2.5-9.8 1 2 T
1.5-2.5 3
0.1-1.5 5
0.05-0.1 10
α-Pinene
C10H16
121 Benzene 95-1140 3 3 - -
Propane
CH3CH2CH3
103 Hydrocarbons
(LowerClass)
1.2-2.4% 1/2 2 ++ 1000
0.1-1.2% 1
0.05-0.1% 2
Propionaldehyde
CH3CH2CHO
91L Formaldehyde 0.76-38 1 3* T -
151L Acetone 24-1880 2 2* T
Propionic acid
CH3CH2COOH
81 Acetic acid 3-75 1 3 H 10
81L Acetic acid 0.25-10 1 2* T
Propionitrile
CH3CH2CN
191 Acrylonitrile 50-1200 4 3 +T -
Propyl acetate
CH3CO2CH2CH2CH3
145 Propyl acetate 20-500 2 2 T 200
Propyl alcohol
CH3(CH2)2OH
113 Isopropyl alcohol 0.04-2.5% 1 3 T 200
113L Isopropyl alcohol 65-1040 1 3 T
113LL Isopropyl alcohol 13.6-136 2 2 T
Propylamine
CH3(CH2)2NH2
180 Amines 6-120 1 3 T -
180L Amines 0.5-10 1 2 T
Propylene
CH3CH:CH2
100A LPG 0.02-0.8% 1 3 - -
Propylene dichloride
CH3CHClCH2Cl
131La Vinyl chloride 40-800 2 2* + 10
Propylene imine
CH3CHCH2NH
180 Amines 5.5-110 1 3 T 2
180L Amines 0.35-7 1 2 T
Propylene oxide
CH3CHCH2O
163 Ethylene oxide 0.065-3.9% 1 3 - 2
163L Ethylene oxide 1-100 1 1* +T
Propyl mercaptan
CH3(CH2)2SH
70 Mercaptans 22.5-540 1 3 - -
70L Mercaptans 4.8-9.6 1/2 2 -
0.6-4.8 1
0.24-0.6 2
0.12-0.24 4
Pyridine
C5H5N
182 Pyridine 14-35 1/2 3 T 1
0.5-14 1
0.2-0.5 2
T:Temp Correction H:Humidity Correction *:Refrigerator Store Mesh:Correction Factor/Chart
 
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