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Gas Detection Sensors:

323 Products Found

Farnell offers a wide range of gas sensing technologies, including Electrochemical sensors, Pellistor gas sensors, Infrared gas sensors, Photoionization Detectors (PIDs), MEMS gas sensors, and photoacoustic gas sensors. A specific gas technology can be chosen only after multiple factors are considered, such as the type of gas under detection, whether the device is portable or fixed, single or composite, diffusion or pumping, and the specific detection principles involved.

Environmental gas sensors enable the detection and monitoring of various gases in the environment for total assurance of safety, efficiency, and compliance in several industries. They alert about hazardous gases by triggering visual and audible alarms at home or in industrial environments, thus keeping the residents, employees, and the organization safe. It is, therefore, crucial to choose the correct gas-sensing technology depending on its operating principles, applications, and their respective advantages and disadvantages. It is also essential to know how to calibrate a gas sensor. 

Farnell’s selection features portable gas detectors, fixed gas sensors, and multi-gas detection designed to provide real-time and precise measurements of gases such as carbon monoxide (CO), methane (CH4), hydrogen (H2), ammonia (NH3), and many others.

To learn more about gas sensors, their applications, standards, get started etc, please read our comprehensive guide on gas sensors technologies. Click Here

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ComparePrice ForQuantity
3106912

RoHS

Each
1+
£73.970
5+
£68.950
Min: 1 / Mult: 1
Carbon Dioxide
5000ppm
± 10%
10%
Non-dispersive Infrared (NDIR)
Telaire T3022 Series
1776487

RoHS

Each
1+
£45.590
5+
£45.580
10+
£45.570
50+
£45.560
Min: 1 / Mult: 1
Carbon Dioxide
2000ppm
± 5%
2%
Diffusion
-
3550674

RoHS

Each
1+
£47.920
5+
£44.670
10+
£43.780
Min: 1 / Mult: 1
Methane / Hydrocarbon
-
-
-
Non-dispersive Infrared (NDIR)
IR12 Series
3550686

RoHS

Each
1+
£51.710
5+
£50.680
10+
£49.640
Min: 1 / Mult: 1
Methane
-
-
-
Diffusion
-
3550685

RoHS

Each
1+
£53.120
5+
£49.260
10+
£46.500
Min: 1 / Mult: 1
Methane
-
-
-
Diffusion
VQ22 Series
3550715

RoHS

Each
1+
£186.680
Min: 1 / Mult: 1
Butane
-
-
-
Integrated Infrared (INIR)
INIR Series
3550695

RoHS

Each
1+
£174.960
5+
£169.220
10+
£165.840
Min: 1 / Mult: 1
Flammable Gas
-
-
-
Diffusion
VQ600 Series
3677902

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
£48.530
5+
£40.960
10+
£38.060
50+
£32.660
Min: 1 / Mult: 1
Carbon Dioxide
-
± 3%
1.5%
Flow Through
STC31 CMOSens Series
3958500

RoHS

Each
1+
£60.530
5+
£56.430
Min: 1 / Mult: 1
Chlorine
10ppm
100ppb
-
Electrochemical Sensing
4 Series
4162770

RoHS

Each
1+
£147.830
Min: 1 / Mult: 1
Arsine
1ppm
25ppb
-
Solid Polymer Electrolyte
PS4 Series
3958499

RoHS

Each
1+
£99.100
5+
£95.740
10+
£92.600
Min: 1 / Mult: 1
Ozone
5ppm
25ppb
-
Solid Polymer Electrolyte
PS4 Series
3958488

RoHS

Each
1+
£46.270
5+
£42.620
10+
£41.550
Min: 1 / Mult: 1
Hydrogen
1000ppm
2ppm
-
Solid Polymer Electrolyte
PS1 Series
3958493

RoHS

Each
1+
£33.250
5+
£27.560
10+
£26.690
Min: 1 / Mult: 1
Volatile Organic Chemicals (VOC)
200ppm
500ppb
-
Solid Polymer Electrolyte
PS1 Series
4162765

RoHS

Each
1+
£99.450
5+
£87.150
10+
£80.560
Min: 1 / Mult: 1
Phosphine
20ppm
500ppb
-
Solid Polymer Electrolyte
PS1 Series
4162767

RoHS

Each
1+
£99.450
Min: 1 / Mult: 1
Arsine
1ppm
25ppb
-
Solid Polymer Electrolyte
PS1 Series
3958521

RoHS

Each
1+
£55.280
5+
£51.530
10+
£50.500
Min: 1 / Mult: 1
Flammable Gas
-
-
-
-
VQ500 Series
3958497

RoHS

Each
1+
£99.100
5+
£95.740
10+
£92.600
Min: 1 / Mult: 1
Ozone
100ppm
250ppb
-
Solid Polymer Electrolyte
PS4 Series
3958491

RoHS

Each
1+
£56.480
5+
£47.090
10+
£45.680
Min: 1 / Mult: 1
Ozone
5ppm
25ppb
-
Solid Polymer Electrolyte
PS1 Series
4162769

RoHS

Each
1+
£147.830
Min: 1 / Mult: 1
Phosphine
20ppm
500ppb
-
Solid Polymer Electrolyte
PS4 Series
3958505

RoHS

Each
1+
£63.000
5+
£58.730
10+
£57.560
Min: 1 / Mult: 1
Ethylene Oxide
20ppm
250ppb
-
Electrochemical Sensing
4 Series
3677902RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
50+
£32.660
Min: 500 / Mult: 1
Carbon Dioxide
-
± 3%
1.5%
Flow Through
STC31 CMOSens Series
2845668

RoHS

Each
1+
£47.570
5+
£46.980
10+
£46.380
50+
£45.790
Min: 1 / Mult: 1
Carbon Dioxide
2000ppm
± 3%
3%
Non-dispersive Infrared (NDIR)
Telaire T6713 CO2 Sensors
2845667

RoHS

Each
1+
£64.070
5+
£59.360
10+
£55.700
50+
£52.030
Min: 1 / Mult: 1
Carbon Dioxide
5000ppm
± 3%
3%
Diffusion
Telaire T6713 CO2 Sensors
2886672

RoHS

Each
1+
£48.950
5+
£41.280
10+
£38.360
50+
£32.360
Min: 1 / Mult: 1
Carbon Dioxide
40000ppm
± 3%
3%
-
-
3550669

RoHS

Each
1+
£147.180
5+
£142.190
10+
£137.530
Min: 1 / Mult: 1
Carbon Dioxide
-
-
-
Non-dispersive Infrared (NDIR)
IR11 Series
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