Gas Detectors | Gas Monitors | Multi Gas Detectors | RS
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    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, and they all have the same main function which is to detect and monitor any hazardous gas leaks, oxygen depletion or the presence of emissions (toxic or flammable gases). You can find out more in our gas detectors guide.

    Our selection of gas detectors includes top brands such as DRAEGER, MSA Safety, Industrial Scientific, Testo, Extech and our own brand RS PRO, each known for their reliability and advanced technology. At RS, we also understand the importance of timely delivery. That's why we offer next working day delivery, ensuring you receive your gas detectors promptly.

    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. Gas detectors, such as carbon monoxide detectors, ensure the early detection of harmful gases, preventing health complications or even fatalities resulting from prolonged exposure. Many industries and residential building codes also require the installation of gas detectors to ensure compliance with safety regulations and standards.

    Gas Leak Detectors and CO2 Alarms

    Gas leak detectors are specialised gas detectors designed to identify leaks in pipelines, tanks, or other gas-carrying systems. These detectors promptly alert users to the presence of gas leaks, allowing them to take immediate action to prevent potential accidents or hazardous situations.

    Similarly, CO2 alarms are essential for monitoring and alerting occupants in confined spaces, laboratories, or areas where carbon dioxide is used or stored. They ensure that CO2 levels are within safe limits, preventing asphyxiation risks.

    Types of Gases that can be Detected

    Gas detectors are categorised 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:

    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.

    59 Products showing for Gas Detectors

    Audible Alarm,Visual Alarm
    Combustible
    ±20 %, ±500ppm
    -
    2 s
    Leak Detection
    -
    Handheld
    LCD
    Battery
    Li-Ion Polymer
    -
    -
    -
    -
    -
    Audible Alarm,Visual Alarm
    Combustible
    ±20 %, ±500ppm
    -
    2 s
    Leak Detection
    -
    Handheld
    LED
    Battery
    Li-Ion Polymer
    -
    -
    -
    -
    -
    -
    Carbon Dioxide
    ±1 %, ±3 %, ±5 %
    -
    -
    Air Quality Monitors
    -
    Workstation Monitor
    LED
    Battery
    Rechargeable NiMH
    -
    100 x 48 x 110mm
    -
    -
    210g
    -
    Carbon Monoxide
    ±5 %
    -
    <30 s
    Environmental
    IM-801
    Handheld
    LCD - Backlit
    Battery
    AAA
    90 h
    156 x 73 x 35mm
    -
    -
    250g
    -
    Oxygen
    ±2 %
    -
    5 s
    -
    -
    Oximeter
    LCD
    -
    -
    -
    -
    -
    -
    -
    Kane
    Audible Alarm,Visual Alarm
    Acetone, Alcohol, Ammonia, Benzene, Butane, Ethylene, Gasoline Petrol, Hydrogen, Industrial Solvents, Jet Fuel, Lacquer Thinners, Methane, Naphtha, Natural Gas, Propane, Toluene
    -
    -
    -
    Industrial Safety
    KANE700
    Handheld
    LED
    Battery
    AA
    -
    -
    -
    -
    -
    DRAEGER
    ATEX Approval,Audible Alarm,Visual Alarm
    Oxygen
    = ± 1% of Measured Value %
    -
    = 10 s
    Biogas, Fumigation, Hazmat, Industrial Gases, Mining and Tunneling, Sewage
    Pac 6000 02
    Portable
    Monochrome
    Battery
    Lithium Battery LBT 1
    02 Minimum 10 months
    64 x 84 x 20mm
    -
    IECEx
    106(113 g with clip)g
    MSA Safety
    ATEX Approval,Audible Alarm,Visual Alarm
    H18.0%, L19.5%, O2
    -
    -
    -
    Safety
    10071364 ALTAIR
    Personal
    LCD
    Battery
    Lithium Battery
    Minimum 2 Years
    86 x 51 x 50mm
    -
    ATEX
    125g
    MSA Safety
    ATEX Approval,Audible Alarm
    CO, CH4, H2S, O2
    -
    -
    -
    Industrial
    10218376 ALTAIR 4XR
    Personal
    -
    -
    -
    -
    -
    -
    -
    -
    Digitron
    Audible Alarm
    Butane, Methane, Natural Gas, Propane
    -
    -
    Instantaneous
    HVAC
    DGS-10
    Handheld
    -
    Battery
    9V
    -
    77 x 170 x 40mm
    -
    -
    450g
    MSA Safety
    ATEX Approval,Audible Alarm
    Oxygen
    -
    -
    -
    Industrial
    -
    Gas Detector
    -
    -
    -
    -
    -
    -
    -
    -
    DRAEGER
    -
    Benzene
    -
    -
    -
    -
    D24-8103691
    Handheld
    -
    -
    -
    -
    -
    -
    -
    -
    DRAEGER
    ATEX Approval,Audible Alarm,Visual Alarm
    Oxygen
    ±1 %
    -
    10 s
    Biogas, Fumigation, Hazmat, Industrial Gases, Mining and Tunneling, Sewage
    Pac 6000 02
    Portable
    LCD
    Battery
    Lithium Battery LBT 1
    2 y (02 Min 10 months)
    64 x 84 x 20mm
    -
    ATEX, IECEx
    106 g (113 g with clip)
    Honeywell
    Audible Alarm,Visual Alarm
    Carbon Monoxide
    -
    -
    -
    Domestic Environments
    XC100D
    Ceiling, Free Standing, Wall
    LCD
    Battery
    Li-ion
    -
    100 x 72 x 36mm
    -
    -
    133g
    DRAEGER
    ATEX Approval,Audible Alarm,Visual Alarm
    H2S
    < +- 2% of Measured Value %
    -
    15 s
    -
    Pac 6000 H2S
    Portable
    Monochrome
    Battery
    Lithium Battery LBT 1
    2 years
    64 x 84 x 20mm
    -
    IECEx
    106(113 g with clip)g
    Kane
    Audible Alarm,Visual Alarm
    Carbon Monoxide
    -
    -
    -
    CO Detectors
    KANE77
    Personal
    LED
    Battery
    -
    -
    -
    -
    -
    -
    DRAEGER
    -
    -
    -
    -
    -
    -
    Polytest D24-CH28401
    Handheld
    -
    -
    -
    -
    -
    -
    -
    -
    Sefram
    -
    Fuel Oil, Gasoline, Natural Gas, Propane
    -
    -
    90 s
    Semiconductor
    SEFRAM9892
    Handheld
    -
    Battery
    AA
    40 h
    221 x 74 x 47mm
    -
    -
    421g
    MSA Safety
    ATEX Approval,Audible Alarm,Visual Alarm
    Carbon Monoxide, H2S, LEL (Pentane), Oxygen
    -
    -
    -
    Safety
    10178570 ALTAIR 4XR
    Personal
    LCD
    Battery
    Lithium Polymer
    24 h
    11.2 x 7.6 x 3.5cm
    -
    ATEX
    228g
    MSA Safety
    ATEX Approval,Audible Alarm,Visual Alarm
    Carbon Monoxide, H2S, LEL (Pentane), Oxygen
    -
    -
    -
    Safety
    10211185 ALTAIR 4XR
    Personal
    LCD
    Battery
    Lithium Polymer
    24 h
    11.2 x 7.6 x 3.5cm
    -
    ATEX
    228g
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