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Gas Detection Sensors:

327 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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Gas Type
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ComparePrice ForQuantity
3550673

RoHS

Each
1+
US$147.775
5+
US$147.762
10+
US$147.748
Min: 1 / Mult: 1
Methane / Hydrocarbon
-
-
-
Non-dispersive Infrared (NDIR)
IR12 Series
3550686

RoHS

Each
1+
US$76.809
5+
US$75.268
10+
US$73.740
Min: 1 / Mult: 1
Methane
-
-
-
Diffusion
-
3928601

RoHS

Each
1+
US$245.917
5+
US$195.479
Min: 1 / Mult: 1
Carbon Dioxide
2000ppm
± 3%
3%
Non-dispersive Infrared (NDIR)
Telaire T5100 Series
3928605

RoHS

Each
1+
US$308.414
5+
US$245.166
Min: 1 / Mult: 1
Carbon Dioxide
2000ppm
± 3%
3%
Non-dispersive Infrared (NDIR)
Telaire T8100 Series
2114187

RoHS

Each
1+
US$242.138
Min: 1 / Mult: 1
Carbon Dioxide
2000ppm
± 3%
-
Diffusion
-
3550688

RoHS

Each
1+
US$64.387
Min: 1 / Mult: 1
Ammonia
-
-
-
-
VQ500 Series
3958485

RoHS

Each
1+
US$753.710
Min: 1 / Mult: 1
Volatile Organic Chemicals (VOC)
40ppm
-
-
-
-
3958482

RoHS

Each
1+
US$818.968
5+
US$803.008
10+
US$787.049
25+
US$771.076
50+
US$755.117
Min: 1 / Mult: 1
Volatile Organic Chemicals (VOC)
200ppm
-
-
-
-
3958512

RoHS

Each
1+
US$32.616
10+
US$23.731
Min: 1 / Mult: 1
Carbon Monoxide
1000ppm
2ppm
-
Electrochemical Sensing
4 Series
4162765

RoHS

Each
1+
US$147.722
5+
US$129.431
10+
US$119.662
Min: 1 / Mult: 1
Phosphine
20ppm
500ppb
-
Solid Polymer Electrolyte
PS1 Series
3958520

RoHS

Each
1+
US$72.266
5+
US$63.730
10+
US$59.496
25+
US$57.097
50+
US$49.580
Min: 1 / Mult: 1
Methane
-
-
-
-
VQ500 Series
4162769

RoHS

Each
1+
US$211.666
Min: 1 / Mult: 1
Phosphine
20ppm
500ppb
-
Solid Polymer Electrolyte
PS4 Series
4162767

RoHS

Each
1+
US$147.722
Min: 1 / Mult: 1
Arsine
1ppm
25ppb
-
Solid Polymer Electrolyte
PS1 Series
3958492

RoHS

Each
1+
US$41.982
5+
US$38.659
Min: 1 / Mult: 1
Volatile Organic Chemicals (VOC)
10ppm
100ppb
-
Solid Polymer Electrolyte
PS1 Series
3958521

RoHS

Each
1+
US$91.468
5+
US$80.186
10+
US$63.275
Min: 1 / Mult: 1
Flammable Gas
-
-
-
-
VQ500 Series
3958493

RoHS

Each
1+
US$49.433
5+
US$40.964
10+
US$39.664
Min: 1 / Mult: 1
Volatile Organic Chemicals (VOC)
200ppm
500ppb
-
Solid Polymer Electrolyte
PS1 Series
3958505

RoHS

Each
1+
US$112.158
5+
US$97.029
10+
US$91.535
Min: 1 / Mult: 1
Ethylene Oxide
20ppm
250ppb
-
Electrochemical Sensing
4 Series
2845668

RoHS

Each
1+
US$68.206
5+
US$66.236
10+
US$66.223
50+
US$66.209
Min: 1 / Mult: 1
Carbon Dioxide
2000ppm
± 3%
3%
Non-dispersive Infrared (NDIR)
Telaire T6713 CO2 Sensors
2845667

RoHS

Each
1+
US$85.519
5+
US$79.234
10+
US$76.876
50+
US$72.146
Min: 1 / Mult: 1
Carbon Dioxide
5000ppm
± 3%
3%
Diffusion
Telaire T6713 CO2 Sensors
2886672

RoHS

Each
1+
US$35.805
5+
US$35.590
10+
US$35.363
50+
US$35.148
Min: 1 / Mult: 1
Carbon Dioxide
40000ppm
± 3%
3%
-
-
3550711

RoHS

Each
1+
US$14.311
5+
US$12.971
10+
US$11.055
50+
US$9.983
100+
US$9.487
More Pricing...
Min: 1 / Mult: 1
Ammonia, Carbon Monoxide, Ethanol, Hydrogen, Methane, Nitrogen Dioxide
-
-
-
-
-
3550708

RoHS

Each
1+
US$12.395
5+
US$9.393
10+
US$9.206
50+
US$8.362
100+
US$7.759
More Pricing...
Min: 1 / Mult: 1
Ammonia, Carbon Monoxide, Ethanol, Hydrogen, Methane
-
-
-
-
-
3677905

RoHS

Each (Supplied on Cut Tape)
Cut Tape
Packaging Options
1+
US$21.494
5+
US$19.618
10+
US$18.921
50+
US$18.036
100+
US$16.562
More Pricing...
Min: 1 / Mult: 1
Carbon Dioxide
40000ppm
± 5%
-
-
PAsens CMOSens SCD4x Series
3677906

RoHS

Each (Supplied on Cut Tape)
Cut Tape
Packaging Options
1+
US$25.313
5+
US$22.860
10+
US$21.963
50+
US$19.658
100+
US$19.256
More Pricing...
Min: 1 / Mult: 1
Carbon Dioxide
40000ppm
± 5%
-
-
PAsens CMOSens SCD4x Series
3550707

RoHS

Each
1+
US$28.220
5+
US$23.798
10+
US$23.504
50+
US$23.222
100+
US$22.927
Min: 1 / Mult: 1
Carbon Dioxide, Volatile Organic Compound (VOC)
-
-
-
-
-
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