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Products Category
- Gas Detection Tubes
Gastec Colour Detector Tubes - L
Gastec Colour Detector Tubes for chemicals whose name begins with L.
Each box of detector tubes contains a pack of ten tubes sufficient for 10 tests, unless otherwise noted.
Position the mouse over the symbols (*, +, ++, P) for an explanation of their meaning.
Click on the symbol to view the specific datasheet.
| Chemical | Tube Name | Measuring Range (ppm) | Notes | Part Number |
| LPG (Liquified petroleum gas) | LPG | 0.02-0.8% | - | 810-100A |
Table Notes:
* Refrigerated storage - tubes to be stored at ≤10°C
+ Twin tubes, sufficient for 5 tests (first tube is a scrubber/oxidiser, second tube provides the reading)
++ Nine tubes, sufficient for 9 tests
P Requires Pyrolyzer (Part Number 810-840)
Gastec Colour Detector Tubes - M
Gastec Colour Detector Tubes for chemicals whose name begins with M.
Each box of detector tubes contains a pack of ten tubes sufficient for 10 tests, unless otherwise noted.
Position the mouse over the symbols (*, +, ++, P) for an explanation of their meaning.
Click on the symbol to view the specific datasheet.
| Chemical | Tube Name | Measuring Range (ppm) | Notes | Part Number |
| Maleic anhydride C4H2O3 |
Acetic acid | 0.8-20 | - | 810-81 |
| Mercaptans R·SH |
Mercaptans | 0.5-120 | - | 810-70 |
| Mercaptans | 0.1-8 | - | 810-70L | |
| Mercaptans | 0.1-8 | ~ * | 810-70LN | |
| 2-Mercaptoethanol HSCH2CH2OH |
tert-Butyl mercaptan | 0.5-7.5 | * | 810-75L |
| Mercury vapour Hg |
Mercury vapour | 0.05-13.2 mg/m3 | - | 810-40 |
| Mesityl oxide (CH3)2C:CHCOCH3 |
Ethyl acetate | 27-1080 | - | 810-141L |
| Metaldehyde (CH3CHO)n |
Formaldehyde | 0.065-3.25 | * | 810-91L |
| Methacrylic acid CH2:C(CH3)COOH |
Acetic acid | 1.8-45 | - | 810-81 |
| Acetic acid | 0.35-14 | * | 810-81L | |
| Methacrylonitrile CH2:C(CH3)CN |
Methacrylonitrile | 0.2-32 | + | 810-192 |
| Methanethiol | See Methyl mercaptan | |||
| Methanol CH3OH |
Methanol | 0.002-6.0% | - | 810-111 |
| Methanol | 20-1000 | - | 810-111L | |
| Methanol | 2-56 | - | 810-111LL | |
| 2-Methoxyethyl acetate CH3CO2CH2CH2OCH3 |
Isopropyl alcohol | 300-1300 | - | 810-113L |
| 1-Methoxy-2-propanol
CH3OCH2CH(OH)CH3 |
Isopropyl alcohol | 26-260 | - | 810-113LL |
| Isopropyl alcohol | TBC | - | 810-113L | |
| Methyl alcohol | See Methanol | |||
| Methyl acrylate CH2:CHCO2CH3 |
Ethyl acetate | 8-320 | - | 810-141L |
| 2-Methyl allyl chloride CH2:C(CH3)CH2Cl |
Vinyl chloride | 2.8-55 | + * | 810-131LA |
| Methylamine CH3NH2 |
Amines | 5-100 | - | 810-180 |
| Amines | 0.5-10 | - | 810-180L | |
| N-Methylaniline C6H5NHCH3 |
Aniline | 3.5-42 | - | 810-181 |
| Methyl bromide CH3Br |
Methyl bromide | 10-600 | + | 810-136H |
| Methyl bromide | 2.5-200 | + | 810-136L | |
| Methyl bromide | 1-36 | + | 810-136LA | |
| Methyl bromide | 0.1-3.0 | + | 810-136LL | |
| 2-Methyl-3-butenenitrile CH2:CHCH(CH3)CN |
Acrylonitrile | 0.4-12 | + | 810-191L |
| Methyl chloride CH3Cl |
Fluorochlorocarbons (Pyrotec tube) |
12-480 | + P | 810-51 |
| Fluorochlorocarbons (Pyrotec tube) |
1.6-86.4 | + P | 810-51L | |
| Methyl chloroform | See 1,1,1-Trichloroethane | |||
| Methyl chloroformate ClCO2CH3 |
Vinyl chloride | 58-1160 | + * | 810-131LA |
| Methylcyclohexane C6H11CH3 |
n-Hexane | 0.04-0.84% | - | 810-102H |
| Methylcyclohexanol CH3C6C10OH |
Methylcyclohexanol | 5-100 | - | 810-119 |
| Methylcyclohexanone C7H12O |
Methylcyclohexanone | 2-80 | * | 810-155 |
| Methylene chloride CH2Cl2 |
Methylene chloride | 30-500 | + | 810-138 |
| Methylene chloride | 4-150 | + | 810-138L | |
| Fluorochlorocarbons (Pyrotec tube) |
1-54 | + P | 810-51L | |
| Methylene iodide CH2I2 |
Benzene | 0.22-22 | + | 810-121L |
| Methyl ether CH3OCH3 |
Ethyl ether | 0.03-0.85% | - | 810-161 |
| Methyl ethyl ketone CH3COC2H5 |
Methyl ethyl ketone | 0.02-0.6% | - | 810-152 |
| Methyl ethyl ketone | 10-384 | * + | 810-152L | |
| Acetone | 21-1680 | * | 810-151L | |
| Methyl hydrazine H2NNHCH3 |
Hydrazine | 0.6-12 | - | 810-185 |
| Methyl iodide CH3I |
Methyl iodide | 100-34800 | - | 810-230H |
| Methyl iodide | 0.5-108 | * | 810-230 | |
| Benzene | 0.32-32 | + | 810-121L | |
| Methyl isobutyl ketone (CH3)2CHCH2COCH3 |
Methyl isobutyl ketone | 0.05-0.6% | - | 810-153 |
| Methyl isobutyl ketone | 2.5-130 | - | 810-153L | |
| Methyl isothiocyanate CH3NCS |
Ethyl acetate | 50-400 | - | 810-141L |
| Methyl isothiocyanate | 0.07-25 | - | 810-234L | |
| Methyl mercaptan CH3SH |
Methyl mercaptan | 20-2700 | - | 810-71H |
| Methyl mercaptan | 0.25-140 | - | 810-71 | |
| Mercaptans | 0.35-84 | - | 810-70 | |
| Mercaptans | 0.1-8 | - | 810-70L | |
| Mercaptans | 0.1-8 | ~ * | 810-70LN | |
| Methyl methacrylate CH2:C(CH3)CO2CH3 |
Methyl methacrylate | 10-500 | - | 810-149 |
| N-Methylmorpholine CH3N(C2H4)2O |
Amines | 5-100 | - | 810-180 |
| Amines | 0.3-6 | - | 810-180L | |
| 4-Methyl pyridine C6H7N |
Pyridine | 0.38-10.5 | - | 810-182 |
| N-Methyl pyrrolidone C5H9NO |
Amines | 13.5-270 | - | 810-180 |
| Methyl tert-Butyl Ether CH3OC(CH3)3 |
Methyl tert-Butyl Ether | 10-660 | - | 810-166 |
| Monochlorobenzene | See Chlorobenzene | |||
| Morpholine NH(C2H4)O |
Amines | 9-180 | - | 810-180 |
| Amines | 0.5-10 | - | 810-180L | |
Table Notes:
* Refrigerated storage - tubes to be stored at ≤10°C
+ Twin tubes, sufficient for 5 tests (first tube is a scrubber/oxidiser, second tube provides the reading)
++ Nine tubes, sufficient for 9 tests
P Requires Pyrolyzer (Part Number 810-840)
~ Environmentally-friendly version - contains no mercury substances
Gastec Colour Detector Tubes - O
Gastec Colour Detector Tubes for chemicals whose name begins with O.
Each box of detector tubes contains a pack of ten tubes sufficient for 10 tests, unless otherwise noted.
Position the mouse over the symbols (*, +, ++, P, #) for an explanation of their meaning.
Click on the symbol to view the specific datasheet.
| Chemical | Tube Name | Measuring Range (ppm) | Notes | Part Number |
| Octane CH3(CH2)6CH3 |
Gasoline (Petrol) | 0.036-0.72% | - | 810-101 |
| Hydrocarbons (higher class) |
100-3000 | - | 810-105 | |
| Oxygen O2 |
Oxygen | 3-24% | # | 810-31B |
| Ozone O3 |
Ozone | 4-400 | - | 810-18M |
| Ozone | 0.025-6 | - | 810-18L |
Table Notes:
* Refrigerated storage - tubes to be stored at ≤10°C
+ Twin tubes, sufficient for 5 tests (first tube is a scrubber/oxidiser, second tube provides the reading)
++ Nine tubes, sufficient for 9 tests
P Requires Pyrolyzer (Part Number 810-840)
# Five tubes, sufficient for 5 tests and long size glass detector tube for tube 810-31B only
Gastec Colour Detector Tubes - N
Gastec Colour Detector Tubes for chemicals whose name begins with N.
Each box of detector tubes contains a pack of ten tubes sufficient for 10 tests, unless otherwise noted.
Position the mouse over the symbols (*, +, ++, P) for an explanation of their meaning.
Click on the symbol to view the specific datasheet.
| Chemical | Tube Name | Measuring Range (ppm) | Notes | Part Number |
| Naphthalene C10H8 |
Phenol | 0.5-14 | * | 810-60 |
| Nitric acid HNO3 |
Nitric acid | 0.1-40 | - | 810-15L |
| Acid gases | 5-100 | - | 810-80 | |
| Nitroethane CH3CH2NO2 |
Nitro compounds (Pyrotec tube) |
4-240 | P | 810-52 |
| Nitrogen dioxide NO2 |
Nitrogen dioxide | 0.5-125 | - | 810-9L |
| NO + NO2 (separate quantification) |
2.5-200 | + | 810-10 | |
| Acid gases | 0.2-4 | - | 810-80 | |
| Nitrogen compounds (Pyrotec tube) |
0.5-30 | P | 810-52 | |
| Nitrogen oxide NO |
NO + NO2 (separate quantification) |
2.5-200 | + | 810-10 |
| Nitrogen oxides NO + NO2 |
Nitrogen oxides (total quantification) |
50-2500 | - | 810-11HA |
| Nitrogen oxides (total quantification) |
5-625 | - | 810-11S | |
| Nitrogen oxides (total quantification) |
0.04-16.5 | - | 810-11L | |
| Nitromethane CH3NO2 |
Nitro compounds (Pyrotec tube) |
5-300 | P | 810-52 |
| 1-Nitropropane CH3CH2CH2NO2 |
Nitro compounds (Pyrotec tube) |
4.2-252 | P | 810-52 |
| 2-Nitropropane (CH3)2CHNO2 |
Nitro compounds (Pyrotec tube) |
3.7-222 | P | 810-52 |
| Nitrotrichloromethane | See Chloropicrin | |||
| Nonane CH3(CH2)7CH3 |
Hydrocarbons (higher class) |
130-3900 | - | 810-105 |
Table Notes:
* Refrigerated storage - tubes to be stored at ≤10°C
+ Twin tubes, sufficient for 5 tests (first tube is a scrubber/oxidiser, second tube provides the reading)
++ Nine tubes, sufficient for 9 tests
P Requires Pyrolyzer (Part Number 810-840)
Gastec Colour Detector Tubes - P
Gastec Colour Detector Tubes for chemicals whose name begins with P.
Each box of detector tubes contains a pack of ten tubes sufficient for 10 tests, unless otherwise noted.
Position the mouse over the symbols (*, +, ++, P) for an explanation of their meaning.
Click on the symbol to view the specific datasheet.
| Chemical | Tube Name | Measuring Range (ppm) | Notes | Part Number |
| Pentachloroethane Cl2CHCCl3 |
Tetrachloroethylene | 40-500 | * | 810-133L |
| 1,3-Pentadiene CH3CH:CHCH:CH2 |
1,3-Butadiene | 250-4000 | - | 810-174 |
| 1,3-Butadiene | 42.5-850 | - | 810-174L | |
| Pentamethylenediamine H2N(CH2)5NH2 |
Amines | 0.75-15 | - | 810-180L |
| n-Pentane CH3(CH2)3CH3 |
Butane | 30-1680 | - | 810-104 |
| Hydrocarbons (lower class) |
0.0375-1.8% | ++ | 810-103 | |
| 2-Pentenenitrile CH3CH2CH:CHCN |
2-Pentenenitrile | 0.5-15 | + | 810-193 |
| Acrylonitrile | 0.24-7.2 | + | 810-191L | |
| 3-Pentenenitrile CH3CH:CHCH2CN |
Acrylonitrile | 0.4-12 | + | 810-191L |
| Pentyl acetate | See n-Amyl acetate | |||
| Perchloroethylene | See Tetrachloroethylene | |||
| Petrol | See Gasoline | |||
| Petroleum benzine | Petroleum naphtha | 0.5-28 mg/L | - | 810-106 |
| Petroleum distillates | See Gasoline (Petrol) | |||
| Petroleum ether | Petroleum naphtha | 0.5-28 mg/L | - | 810-106 |
| Petroleum naphtha | Petroleum naphtha | 0.5-28 mg/L | - | 810-106 |
| Phenol C6H5OH |
Phenol | 0.4-187 | * | 810-60 |
| Phenylethylene | See Styrene | |||
| Phosgene COCl2 |
Phosgene | 0.05-20 | * | 810-16 |
| Phosphine PH3 |
Phosphine | 200-5500 | - | 810-7H |
| Phosphine | 2.5-1000 | - | 810-7J | |
| Phosphine | 2.5-100 | - | 810-7 | |
| Phosphine | 0.15-5 | - | 810-7L | |
| Phosphine | 0.05-9.8 | - | 810-7LA | |
| α-Pinene C10H16 |
Benzene | 95-1140 | - | 810-121 |
| Propane CH3CH2CH3 |
Hydrocarbons (lower class) |
0.05-2.4% | ++ | 810-103 |
| 1-Propanethiol | See Propyl mercaptan | |||
| Propionaldehyde CH3CH2CHO |
Formaldehyde | 0.76-38 | * | 810-91L |
| Acetone | 24-1880 | * | 810-151L | |
| Propionic acid CH3CH2COOH |
Acetic acid | 3-75 | - | 810-81 |
| Acetic acid | 0.25-10 | * | 810-81L | |
| Propionitrile CH3CH2CN |
Acrylonitrile | 50-1200 | + | 810-191 |
| Propyl acetate CH3CO2CH2CH2CH3 |
Propyl acetate | 20-500 | - | 810-145 |
| Propyl alcohol CH3(CH2)2OH |
Isopropyl alcohol | 0.04-2.5% | - | 810-113 |
| Isopropyl alcohol | 130-560 | - | 810-113L | |
| Isopropyl alcohol | 55-170 | - | 810-113LL | |
| Propylamine CH3(CH2)2NH2 |
Amines | 6-120 | - | 810-180 |
| Amines | 0.5-10 | - | 810-180L | |
| n-Propyl bromide CH3(CH2)2Br |
Methyl bromide | 1-18 | + | 810-136LA |
| Propylene CH3CH:CH2 |
LPG | 0.02-0.8% | - | 810-100A |
| Propylene dichloride CH3CHClCH2Cl |
Vinyl chloride | 40-800 | + * | 810-131LA |
| Propylene imine CH3CHCH2NH |
Amines | 5.5-110 | - | 810-180 |
| Amines | 0.35-7 | - | 810-180L | |
| Propylene oxide CH3CHCH2O |
Ethylene oxide | 0.065-3.9% | - | 810-163 |
| Ethylene oxide | 1-100 | + * | 810-163L | |
| Propyl mercaptan CH3(CH2)2SH |
Mercaptans | 22.5-540 | - | 810-70 |
| Mercaptans | 0.12-9.6 | - | 810-70L | |
| Mercaptans | 1-25 | ~ * | 810-70LN | |
| Pyridine C5H5N |
Pyridine | 0.2-36.4 | - | 810-182 |
Table Notes:
* Refrigerated storage - tubes to be stored at ≤10°C
+ Twin tubes, sufficient for 5 tests (first tube is a scrubber/oxidiser, second tube provides the reading)
++ Nine tubes, sufficient for 9 tests
P Requires Pyrolyzer (Part Number 810-840)
~ Environmentally-friendly version - contains no mercury substances
