Gas Detectors

Gas detection is an important part of home safety and an essential part of commercial and industrial safety systems. Gas detectors are also known as gas analysers, gas meters or gas leak detectors, but they all have the same main function of detection of any hazardous gas leaks, oxygen depletion or the presence of emissions (toxic or flammable gases) are found.

Why would you need a gas detector?

A gas detection unit provides you with peace of mind and real-time 24/7 monitoring. They are available as handheld portable gas detectors or can be fixed or mounted to walls and ceilings.

How do they work?

There is a sensor inside the detector that will measure and monitor the concentration of certain hazardous gases that are in the air, and if gases are detected above a certain level which the sensor is set to an alarm will be triggered for evacuation. The alarms can be audible, visual or both, to ensure that all individuals can be alerted for evacuation. The gas detector could also send a signal to the building operations department in industrial/commercial buildings so people are aware of the danger even if they are not in the affected area.

What do they detect?

Gas detectors are categorized by the type of gas they detect; however, some are also multi gas detectors. Within this broad range, they are further defined by the technology they use:

  • Catalytic and infrared sensors detect combustible or flammable gases
  • Electrochemical and metal oxide semiconductor technologies generally detect toxic gases

  • Some common gases that can be detected are:

  • Carbon Monoxide
  • Chlorine
  • Carbon Dioxide
  • Ammonia Hydrogen Sulphide
  • Methane
  • Nitrogen Dioxide
  • Butane Gas
  • Natural Gas
  • How do I maintain my gas detector?

    Most gas detectors are battery operated for safety reasons, so it is important to perform regular checks on battery life and complete maintenance checks, the same way you would with a fire alarm.

    Are there any certifications to be aware of?

    Some gas detectors will offer ATEX certification (Atmospheres Explosibles) which is an EU-regulated standard designed to ensure the safety of equipment or products being used in potentially explosive environments.


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    Omschrijving Prijs Gases Detected Accuracy Calibrated Response Time Application ATEX Approval Meter Type Display Type Audible Alarm Visual Alarm Power Source Battery Type Battery Life Dimensions
    RS-stocknr. 106-5305
    FabrikantRS PRO
    146,94 €
    Each
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    Carbon Monoxide ±5 % - <30 s Environmental - Handheld Backlit LCD - - Battery 4 x AAA 90 h 156 x 73 x 35mm
    RS-stocknr. 123-8775
    FabrikantRS PRO
    263,00 €
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    - - - - Conduit & Pipe Identification, Door & Window Leaks - Handheld LED Yes Yes Battery 9V - 70 x 28 x 255mm
    RS-stocknr. 144-5342
    FabrikantRS PRO
    93,03 €
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    Combustible - - 2 s Leak Detection No Handheld LED Yes Yes Battery Li-Ion Polymer - -
    RS-stocknr. 174-6574
    FabrikantRS PRO
    134,69 €
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    Carbon Dioxide ±1 %, ±3 %, ±5 % - - Air Quality Control No Workstation Monitor LED No - Battery Rechargable NiMH - 100 x 48 x 110mm
    RS-stocknr. 144-5341
    FabrikantRS PRO
    107,77 €
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    Combustible - - 2 s Leak Detection No Handheld LCD Yes Yes Battery Li-Ion Polymer - -
    RS-stocknr. 334-2111
    Fabrikantnummer0632 0316
    FabrikantTesto
    242,86 €
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    Aantal stuks
    Methane - - - Domestic Environments, Leak Detection - - LED Yes Yes Battery 9V 5 h 190 x 57 x 42mm
    RS-stocknr. 920-5497
    Fabrikantnummer0632 3155
    FabrikantTesto
    444,27 €
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    Carbon Monoxide ±0.5 (Temperature) °C, ±2.5 (Humidity) %RH, ±5 (CO) ppm - <120 (CO) s Heating System, Ventilation System - Handheld LCD Yes Yes Battery Li-Po 50 h 65 x 40 x 190mm
    RS-stocknr. 710-0731
    FabrikantnummerGS-AX-B-001-G
    FabrikantCrowcon
    528,18 €
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    Oxygen - RSCAL 10 s Hazardous Area Worker Protection - Personal LCD - Backlit Yes Yes Battery Non rechargeable Lithium 2 yr 90 x 48 x 24mm
    RS-stocknr. 122-5523
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    FabrikantCrowcon
    607,55 €
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    - - - - Industrial Yes Handheld LED Yes Yes Battery Rechargeable Li-ion 24 h 135 x 80 x 35mm
    RS-stocknr. 708-7742
    FabrikantnummerGS-AG-B-039-G
    FabrikantCrowcon
    445,18 €
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    Oxygen - - 10 s Hazardous Area Worker Protection - Personal LCD - Backlit Yes Yes Battery Non rechargeable Lithium 2 yr 90 x 48 x 24mm
    RS-stocknr. 910-7848
    Fabrikantnummer0632 3173
    FabrikantTesto
    153,00 €
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    Carbon Monoxide ±10 % - 40 s Boiler Service, Home Inspections, Weatherization Audits - Handheld LCD - Backlit Yes Yes Battery AAA Micro 150 h -
    RS-stocknr. 327-1722
    FabrikantnummerRD99/RS
    FabrikantKane
    157,00 €
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    Refrigerants - - 1 s Refrigeration - - LED Yes Yes Battery 9V 8 h 180 x 70 x 35mm
    RS-stocknr. 913-2639
    Fabrikantnummer0563 3163
    FabrikantTesto
    250,00 €
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    438A, CFCs, HCFCs, HFCs, R134a, R-22, R-404A, R-410A, R-507 - - 20 s - - Handheld - Yes Yes Battery 2 x D 16 h 270 x 65 x 65mm
    RS-stocknr. 710-0734
    FabrikantnummerGS-AZ-B-001-G
    FabrikantCrowcon
    528,18 €
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    Hydrogen Sulphide - RSCAL 20 s Hazardous Area Worker Protection - Personal LCD - Backlit Yes Yes Battery Rechargeable Lithium-Ion 2 yr 90 x 48 x 24mm
    RS-stocknr. 708-7751
    FabrikantnummerGS-AZ-B-001-G
    FabrikantCrowcon
    445,18 €
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    Aantal stuks
    Hydrogen Sulphide - - 20 s Hazardous Area Worker Protection - Personal LCD - Backlit Yes Yes Battery Rechargeable Lithium-Ion 2 yr 90 x 48 x 24mm
    RS-stocknr. 710-0716
    FabrikantnummerT3-AGAAZZZZ-A-001-Z
    FabrikantCrowcon
    641,68 €
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    Flammable, Oxygen - RSCAL 10 (Oxygen) s, 20 (Flammable) s - - Personal LCD - Backlit Yes Yes Battery Rechargeable Lithium-Ion 16 h 114 x 71 x 48mm
    RS-stocknr. 122-5522
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    FabrikantCrowcon
    607,55 €
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    Hydrogen Sulphide, Oxygen - - - Industrial Yes Handheld LED Yes Yes Battery Rechargeable Li-ion 24 h 135 x 80 x 35mm
    RS-stocknr. 225-375
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    Refrigerants - - 1 s Leak Detection, Refrigeration - - - Yes Yes Battery Rechargeable NiMH 6 h 190 x 57 x 42mm
    RS-stocknr. 122-5524
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    FabrikantCrowcon
    511,53 €
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    Oxygen - - - Industrial Yes Handheld LED Yes Yes Battery Rechargeable Li-ion 24 h 135 x 80 x 35mm
    RS-stocknr. 708-7732
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    FabrikantCrowcon
    558,68 €
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    Carbon Monoxide, Flammable, Oxygen - - 10 (Oxygen) s, 20 (Flammable) s - - Personal LCD - Backlit Yes Yes Battery Rechargeable Lithium-Ion 16 h 114 x 71 x 48mm