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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    รายละเอียดสินค้า / Description ราคา / Price Gases Detected Accuracy Response Time Application ATEX Approval Meter Type Display Type Audible Alarm Visual Alarm Power Source Battery Type Battery Life Dimensions Weight
    RS Stock No. 913-2639
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.0563 3163
    Brand :Testo
    THB11,535.04
    Each
    Units
    CFCs, HCFCs, HFCs, R-22, R-404A, R-410A, R-507, R134a, 438A - 20 s - - Handheld - Yes Yes Battery 2 x D 16 h 270 x 65 x 65mm 454g
    RS Stock No. 225-375
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.0563 3164
    Brand :Testo
    THB19,409.04
    1 Lot of 1
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    Refrigerants - 1 s Leak Detection, Refrigeration - - - Yes Yes Battery Rechargeable NiMH 6 h 190 x 57 x 42mm 348g
    RS Stock No. 123-8775
    Brand :RS PRO
    THB12,307.87
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    - - - Conduit & Pipe Identification, Door & Window Leaks - Handheld LED Yes Yes Battery 9V - 70 x 28 x 255mm -
    RS Stock No. 327-1722
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.RD99/RS
    Brand :Kane
    THB5,525.87
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    Refrigerants - 1 s Refrigeration - - LED Yes Yes Battery 9V 8 h 180 x 70 x 35mm 400g
    RS Stock No. 468-3918
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.P01651001Z
    THB12,718.39
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    Carbon Monoxide ±5 % 70 s Combustion Appliance - Personal LCD - Backlit Yes - Battery 9V - 237 x 60.5 x 38mm 190g
    RS Stock No. 106-5305
    Brand :RS PRO
    THB6,877.21
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    Carbon Monoxide ±5 % <30 s Environmental - Handheld Backlit LCD - - Battery 4 x AAA 90 h 156 x 73 x 35mm 250g
    RS Stock No. 144-5342
    Brand :RS PRO
    THB4,325.48
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    Combustible - 2 s Leak Detection No Handheld LED Yes Yes Battery Li-Ion Polymer - - -
    RS Stock No. 144-5341
    Brand :RS PRO
    THB5,010.27
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    Combustible - 2 s Leak Detection No Handheld LCD Yes Yes Battery Li-Ion Polymer - - -
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    RS Stock No. 215-1859
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.SCD40-D-R1
    Brand :Sensirion
    THB1,408.56
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    Units
    - 5 % 60 s Environmental - - - - - - - - - -
    RS Stock No. 174-6574
    Brand :RS PRO
    THB6,304.36
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    Units
    Carbon Dioxide ±1 %, ±3 %, ±5 % - Air Quality Control No Workstation Monitor LED No - Battery Rechargable NiMH - 100 x 48 x 110mm 210g
    RS Stock No. 181-0420
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.KANE700
    Brand :Kane
    THB5,014.32
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    Units
    - - - - - Handheld - Yes Yes - - - - -
    RS Stock No. 708-7732
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.T3-AGAAZZZZ-A-001-Z
    Brand :Crowcon
    THB18,348.35
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    Units
    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 295g
    ใหม่ / New
    RS Stock No. 215-1861
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.SCD41-D-R1
    Brand :Sensirion
    THB1,773.24
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    Units
    - 5 % 60 s Environmental - - - - - - - - - -
    RS Stock No. 146-3573
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.SGP30-2.5k
    Brand :Sensirion
    THB386.65
    Each
    Units
    Air Contaminants 15% - Air Quality Control - - - - - - - - 2.45 x 2.45 x 0.9mm -
    RS Stock No. 146-1309
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.XC70-EN-C016-A
    Brand :Honeywell
    THB1,224.25
    Each
    Units
    Carbon Monoxide - - Domestic Environments - Ceiling, Free Standing, Wall - Yes Yes Battery Li-ion - 100 x 72 x 36mm 133g
    ใหม่ / New
    RS Stock No. 219-1951
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.LKD 500 CO2 24Vac-dc 0-10000 ppm IP41
    Brand :Eliwell
    THB43,584.45
    Each
    Units
    Carbon Monoxide -5 → 5 % 28 s - - - LED - - - - - - -
    ใหม่ / New
    RS Stock No. 215-1860
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.SCD41-D-R1
    Brand :Sensirion
    THB1,290.722
    Each (On a Reel of 60)
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    - 5 % 60 s Environmental - - - - - - - - - -
    ใหม่ / New
    RS Stock No. 219-1952
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.LKD 500 CO2 24Vac-dc 0-10000 ppm IP66
    Brand :Eliwell
    THB45,520.85
    Each
    Units
    Carbon Monoxide -5 → 5 % 28 s - - - LED - - - - - - -
    ใหม่ / New
    RS Stock No. 218-0368
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.DGS-10
    Brand :Digitron
    THB7,033.29
    Each
    Units
    - - Instantaneous - - - - - - - - - - -
    ใหม่ / New
    RS Stock No. 215-1858
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.SCD40-D-R1
    Brand :Sensirion
    THB1,002.863
    Each (On a Reel of 60)
    Units
    - 5 % 60 s Environmental - - - - - - - - - -