Gas Detectors

p>A gas detector can also be known as a gas analyser, gas meter or gas leak detector. Their main function is to alarm you if there are any hazardous gas leaks, oxygen depletion or other emissions (combustible,flammable and toxic gases) in the area.

Why would you need a gas detector?

Gas detection is an important part of home safety and essential part of commercial and industrial safety systems and provides you with 24/7 monitoring. Gas detectors can come as hand -held portable devices or can be fixed or mounted to walls and ceilings. Most gas detectors are battery operated for safety, so important to check the battery life and do regular maintenance checks.

How do they work?

Within the gas detector, there is a sensor that will measure and monitor the concentration of certain hazardous gases that are in the air, If the gases are detected above a certain level which the sensor is set to then it will trigger an alarm to warn people to evacuate the area. The alarms may be a loud alarm or it may set a strobe light off, or it could do both of these, 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.

Common Combustible Gases

  • Carbon Monoxide
  • Chlorine
  • Carbon Dioxide
  • Ammonia Hydrogen Sulphide
  • Methane
  • Nitrogen Dioxide
  • Butane Gas

What do they detect?

Gas detectors are categorized by the type of gas they detect. Within this broad range, they are further defined by the technology they use: catalytic and infrared sensors detect combustible gases and electrochemical and metal oxide semiconductor technologies generally detect toxic gases.


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Description 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
Mfr. Part No.0563 3163
BrandTesto
TWD9,204.00
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. 910-7848
Mfr. Part No.0632 3173
BrandTesto
TWD5,885.00
Each
units
Carbon Monoxide ±10 % 40 s Boiler Service, Home Inspections, Weatherization Audits - Handheld LCD - Backlit Yes Yes Battery AAA Micro 150 h - -
RS Stock No. 225-375
Mfr. Part No.0563 3164
BrandTesto
TWD18,837.00
1 Lot of 1
Lot(s)
Refrigerants - 1 s Leak Detection, Refrigeration - - - Yes Yes Battery Rechargeable NiMH 6 h 190 x 57 x 42mm 348g
RS Stock No. 123-8775
BrandRS PRO
TWD9,230.00
Each
units
- - - Conduit & Pipe Identification, Door & Window Leaks - Handheld LED Yes Yes Battery 9V - 70 x 28 x 255mm -
New
RS Stock No. 193-6801
Mfr. Part No.ZrO2-System-485
TWD16,430.00
Each
units
Oxygen 0.5 (O2) % 4 s - - - - - - - - - - -
RS Stock No. 327-1722
Mfr. Part No.RD99/RS
BrandKane
TWD5,179.00
Each
units
Refrigerants - 1 s Refrigeration - - LED Yes Yes Battery 9V 8 h 180 x 70 x 35mm 400g
New
RS Stock No. 193-6807
Mfr. Part No.LOX-02
TWD4,240.00
Each
units
Oxygen - 30 s - - - - - - - - - 20 Dia. x 12.5mm -
RS Stock No. 708-7742
Mfr. Part No.GS-AG-B-039-G
BrandCrowcon
TWD12,832.00
Each
units
Oxygen - 10 s Hazardous Area Worker Protection - Personal LCD - Backlit Yes Yes Battery Non rechargeable Lithium 2 yr 90 x 48 x 24mm 129g
RS Stock No. 708-7748
Mfr. Part No.T3-AGAAAIAH-A-001-Z
BrandCrowcon
TWD21,751.00
Each
units
Carbon Monoxide, Flammable, Hydrogen Sulphide, Oxygen - 10 (Oxygen) s, 20 (Flammable) s, 30 (Toxic Gas) s - - Personal LCD - Backlit Yes Yes Battery Rechargeable Lithium-Ion 16 h 114 x 71 x 48mm 295g
RS Stock No. 146-1309
Mfr. Part No.XC70-EN-C016-A
BrandHoneywell
TWD1,054.00
Each
units
Carbon Monoxide - - Domestic Environments - Ceiling, Free Standing, Wall - Yes Yes Battery Li-ion - 100 x 72 x 36mm 133g
RS Stock No. 151-2953
Mfr. Part No.1-101647-01
BrandSensirion
TWD303.00
Each
units
Oxide 15 % - Environmental - - - - - Mains - - 2.45 x 2.45 x 0.9mm -
RS Stock No. 182-3835
Mfr. Part No.VP4-K1231100212
TWD39,071.00
Each
units
CO, CO/H2 Low, CO2, H2S, HCN, LEL/CH4, NO2, O2 (Long-Life), O2 (Standard), SO2 - - - Yes - LCD Yes Yes Battery Lithium-Ion 12 h, 18 h, 23 h, 32 h, 36 h, 72 h 104 x 58 x 36 (without Pump) mm, 172 x 67 x 65 (Pump) mm 200 (without Pump) g, 390 (Pump) g
RS Stock No. 122-5522
Mfr. Part No.T4-HOZA/RS
BrandCrowcon
TWD16,913.00
Each
units
Hydrogen Sulphide, Oxygen - - Industrial Yes Handheld LED Yes Yes Battery Rechargeable Li-ion 24 h 135 x 80 x 35mm 282g
RS Stock No. 708-7754
Mfr. Part No.GS-AY-B-001-G
BrandCrowcon
TWD13,068.00
Each
units
Carbon Monoxide - 20 s Hazardous Area Worker Protection - Personal LCD - Backlit Yes Yes Battery Rechargeable Lithium-Ion 2 yr 90 x 48 x 24mm 139g
New
RS Stock No. 193-6802
Mfr. Part No.ZrO2-System-V25
TWD16,430.00
Each
units
Oxygen 0.5 (O2) % 4 s - - - - - - - - - - -
RS Stock No. 174-6576
BrandRS PRO
TWD27,098.00
Each
units
Carbon Dioxide, Carbon Monoxide ±0.5 %, ±2.5 %, ±5 % - Environmental - - TFT LCD Yes - Battery Rechargable NiMH - 75 x 57 x 240mm 570g
RS Stock No. 144-5342
BrandRS PRO
TWD3,395.00
Each
units
Combustible - 2 s Leak Detection No Handheld LED Yes Yes Battery Li-Ion Polymer - - -
RS Stock No. 122-5523
Mfr. Part No.T4-ZOCA/RS
BrandCrowcon
TWD16,913.00
Each
units
- - - Industrial Yes Handheld LED Yes Yes Battery Rechargeable Li-ion 24 h 135 x 80 x 35mm 282g
RS Stock No. 182-3827
Mfr. Part No.TX1-2
TWD8,804.00
Each
units
- - - - Yes - LCD Yes Yes Battery Lithium-Thionyl Chloride (Li-SOCl2) 3 yr 99 x 51 x 35mm 126g
RS Stock No. 151-2947
Mfr. Part No.1-101647-01
BrandSensirion
TWD201.70
Each (On a Reel of 2500)
units
Oxide 15 % - Environmental - - - - - Mains - - 2.45 x 2.45 x 0.9mm -