Free First Service on monitors if purchased before the 31.12.19. Certificate to be included with monitor on dispatch.

Gastec Standard Detector Tubes

Portable Gas Detectors
Single Gas
Limited life instruments (Disposable Gas Detectors)
Single gas (plus PID)
Multi gas
Multi gas (plus PID)
Photo ionisation detectors (PID)
Leak detectors (PPB)
Leak detectors (PPM)
Benzene detectors
Refrigerant leak detectors
Carbon dioxide CO2 (infrared)
Hydrogen monitor
Hydrocarbon HC (infra red)
Carbon monoxide CO detectors
Indoor air quality instruments
Confined Space 4 Gas Monitors
Portable Methane Detector
UltraSonic Leak Detection
Fixed Gas Detection Systems
Single Point
1-4 channel
1-10 channel
Addressable sytems up to 32
Addressable systems up to 64
Sampling Systems
PID fixed
Drager Fixed Gas Detection Monitoring
Refrigerant Fixed Gas Detection
Honeywell Fixed Gas Detection Systems
Landfill Gas Analyser
Landfill Gas Analysers
Wireless Gas Detection Systems
Gas Detection Tubes
Detection Tubes
Area Monitoring Devices
Area Monitoring
Sub Slab Monitoring
The Vapour Pin System
RAE Systems Spares & Accesories
MiniRAE 2000 PID Spares
MiniRAE 3000 PID Spares
QRAE II spares
EntryRAE Spares
UltraRAE 3000 Spares
Replacement RAE Sensors
Replacement Gas Monitors Sensors
Replacement Drager Spares & Sensors
Replacement Crowcon Spares & Sensors
Replacement BW Spares & Sensors
Gas Detection Badges
TDI/MDI Badges
Gas Detection Badges
Calibration Systems
Calibration Systems and Kits
Fumigation Products
Fumigation Monitor
Calibration Gas
Calibration Gas Regulator
Water Quality Meter
YSI Pro Plus Quattro
Temperature and Pressure Calibrators
Temperature Calibrators
Digital Pressure Calibrator
Pressure Calibrator
Marine Test Case
Pressure Pumps
Digital Pressure Meter

Gastec Standard Detector Tubes

£28.00 ex. VAT

Key Features:

  • The most accurate detector tube system available
  • Clear, precise and easy-to-read colour change
  • Long tube shelf life (between 1 and 3 years)
  • Complies to British Standard BSEN1231:1997
  • No need for ATEX Appoval
  • ISO registered
  • NATO approved
  • 99% of tubes in stock
  • 72 hour delivery for orders placed before 2pm
  • Temperature-controlled storage facilities
  • Batch number traceability

I will be needing the following options …

Please select a minimum of 1 option and a maximum of 20 options.

Chloroform 137LA

1,1,2,2-Tetrabromoethane (PN 135L)

N-Methylmorpholine (PN 180)

1, 1-Dibromoethane (PN 136L)

1, 1-Dichloroethane (PN 135)

1, 2-Dichloroethane (PN 135)

1, 2-Dichloroethane (PN 135L)

1, 2-Dichloroethylene (PN 132HA)

1, 2-Dichloroethylene (PN 132LL)

1, 2-Dichloroethylene (PN 139)

1, 3-Dichloropropene

1, 3-Dichloropropene (PN 131La)

1, 3-Pentadiene (PN 174)

1, 3-Pentadiene (PN 174L)

1,1,1-Trichloroethane (PN 135)

1,1,1-Trichloroethane (PN 135L)

1,1,1-Trichloroethane (PN 171)

1,1,2,2-Tetrachloroethane (PN 131L)

1,1,2-Trichloroethane (PN 135)

1,2,3-Trichloropropane (PN 135L)

1,2,4-Trichlorobenzene (PN 131La)

1,2-Dibromoethane (PN 136H)

1,2-Dibromoethane (PN 136L)

1,3-Butadiene (PN 174)

1,3-Butadiene (PN 174L)

1,3-Butadiene (PN 174LL)

1,4-Dioxane (PN 159)

1,4-Dioxane (PN 163)

1-Butanol (PN 114)

1-Methoxy-2-Propanol (PN 113L)

1-Methoxy-2-Propanol (PN 113LL)

2-Butanol (PN 115)

2-Dimethylaminoethanol (PN 180L)

2-Hexyl Alcohol (PN 141L)

2-Mercaptoethanol (PN 75L)

2-Methyl Allyl Chloride (PN 131La)

2-Methyl-3-Butenenitrile (PN 191L)

2-Pentenenitrile (PN 191L)

2-Pentenenitrile (PN 193)

3-Pentenenitrile (PN 191L)

4-Methyl Pyridine (PN 182)

a-Pinene (PN 121)

Acetaldehyde (PN 92)

Acetaldehyde (PN 92L)

Acetaldehyde (PN 92M)

Acetic Acid (PN 81)

Acetic Acid (PN 81L)

Acetic Anhydride (PN 81)

Acetic Anhydride (PN 81L)

Acetone (PN 151)

Acetone (PN 151L)

Acetone Cyanohydrin (PN 12L)

Acetylene (PN 103)

Acetylene (PN 171)

Acetylene (PN 172)

Acid Gases (PN 80)

Acrolein (PN 93)

Acrylic Acid (PN 81)

Acrylic Acid (PN 81L)

Acrylonitrile (PN 102L)

Acrylonitrile (PN 191)

Acrylonitrile (PN 191L)

Aliphatic Hydrocarbons (PN 140)

Ally Isothiocyanate (PN 149)

Allyl Amine (PN 180)

Allyl Amine (PN 180L)

Allyl Chloride(PN 101L)

Allyl Chloride(PN 131L)

Amines (PN 180)

Amines (PN 180L)

Ammonia (PN 180)

Ammonia (PN 3H)

Ammonia (PN 3HM)

Ammonia (PN 3L)

Ammonia (PN 3M)

Amonnia (PN 3La)

Amyl Acetate (PN 147)

Aniline (PN 181)

Aromatic Hydrocarbons (PN 120)

Arsine (PN 19LA)

Benzaldehyde (PN 91L)

enzene (PN 121)

Benzene (PN 121L)

Benzene (PN 121S)

Benzene (PN 121SL)

Benzene (PN 121SP)

Benzene (PN 171)

Benzyl Bromide (PN 136L)

Benzyl Chloride (PN 132L)

Boron Trichloride (PN 12L)

Bromine (PN 8La)

Bromoform (PN 136L)

Butane (PN 103)

Butane (PN 104)

Butyl Acetate (PN 142)

Butyl Acetate (PN 142L)

Butyl Acrylate (PN 142L)

Bromoform (PN 136L)

Butane (PN 103)

Butane (PN 104)

Butyl Acetate (PN 142)

Butyl Acetate (PN 142L)

Butyl Acrylate (PN 142L)

Butyl Mercaptan (PN 70L)

Butylamine (PN 180)

Butylamine (PN 180L)

Butyric Acid (PN 81L)

Butyronitrile (PN 191L)

Carbon Dioxide (PN 2H)

Carbon Dioxide (PN 2HH)

Carbon Dioxide (PN 2L)

Carbon Dioxide (PN 2LC)



Gastec detector tubes are of the highest quality for analysing a wide variety of gases, vapours and ground substances accurately. From acetaldehyde to xylene, the gastec pump and standard detector tubes can monitor over 600 gases and vapours.

The Gastec detector tube system comprises the following:

Gastec colourmetric glass tube filled with an absorbent material, usually silica gel impregnated with a chemical reagent. Air is drawn through the tube using the Gastec precision piston pump and reacts in the presence of the target gas to produce a colour change. The length of the colour stain produced is proportional to the concentration of target gas present. By using a calibration scale printed on the tube, the concentration may be read immediately, without the need for laboratory analysis. Gastec detector tubes are used worldwide in factories, refineries, chemical plants, dry cleaners and other work places where employee protection and gas detection are of paramount importance. Whether you are in occupational hygiene, environmental analysis or COSHH assessment and more, Gastec has the answer!




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With over 80 years combined experience, Ribble Enviro is at the forefront of the gas detection market.

As the title suggests, we only do gas detection with no gimmicks and no fancy promises. Our open and honest policy enables us to show you our prices on the web with nothing hidden and no surprises. Whether you want to buy, hire or have equipment serviced, the price is there for you to see.


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