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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
3550669

RoHS

Each
1+
£147.180
5+
£142.190
10+
£137.530
Min: 1 / Mult: 1
Carbon Dioxide
-
-
-
Non-dispersive Infrared (NDIR)
IR11 Series
3550673

RoHS

Each
1+
£159.790
5+
£154.550
10+
£151.460
Min: 1 / Mult: 1
Methane / Hydrocarbon
-
-
-
Non-dispersive Infrared (NDIR)
IR12 Series
3550678

RoHS

Each
1+
£236.610
5+
£228.850
Min: 1 / Mult: 1
Hydrocarbon
-
-
-
Non-dispersive Infrared (NDIR)
IR15 Series
3550685

RoHS

Each
1+
£59.230
5+
£54.920
10+
£51.840
Min: 1 / Mult: 1
Methane
-
-
-
Diffusion
VQ22 Series
3550677

RoHS

Each
1+
£228.150
5+
£220.670
10+
£216.260
Min: 1 / Mult: 1
Carbon Dioxide, Hydrocarbon
-
-
-
Non-dispersive Infrared (NDIR)
IR15 Series
3677902

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
£54.500
5+
£45.990
10+
£42.740
50+
£36.680
Min: 1 / Mult: 1
Carbon Dioxide
-
± 3%
1.5%
Flow Through
STC31 CMOSens Series
3958493

RoHS

Each
1+
£36.890
5+
£30.570
10+
£29.600
Min: 1 / Mult: 1
Volatile Organic Chemicals (VOC)
200ppm
500ppb
-
Solid Polymer Electrolyte
PS1 Series
4162765

RoHS

Each
1+
£110.240
5+
£96.590
10+
£89.300
Min: 1 / Mult: 1
Phosphine
20ppm
500ppb
-
Solid Polymer Electrolyte
PS1 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
3958491

RoHS

Each
1+
£62.610
5+
£52.190
10+
£50.640
Min: 1 / Mult: 1
Ozone
5ppm
25ppb
-
Solid Polymer Electrolyte
PS1 Series
3958503

RoHS

Each
1+
£44.520
5+
£41.510
10+
£40.680
Min: 1 / Mult: 1
Carbon Monoxide, Hydrogen Sulphide
500ppm
500ppb, 250ppb
-
Electrochemical Sensing
4 Series
4162767

RoHS

Each
1+
£110.240
Min: 1 / Mult: 1
Arsine
1ppm
25ppb
-
Solid Polymer Electrolyte
PS1 Series
4162763

RoHS

Each
1+
£48.080
5+
£44.820
10+
£43.920
Min: 1 / Mult: 1
Difluoromethane (R32)
-
-
-
Non-dispersive Infrared (NDIR)
INIR4 Series
4261631

RoHS

Each
1+
£304.900
5+
£294.900
10+
£289.000
Min: 1 / Mult: 1
Carbon Dioxide
5000ppm
± 5%
5%
Non-dispersive Infrared (NDIR)
T3030 Series
3677902RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
50+
£36.680
Min: 500 / Mult: 1
Carbon Dioxide
-
± 3%
1.5%
Flow Through
STC31 CMOSens Series
2886672

RoHS

Each
1+
£26.720
5+
£26.560
10+
£26.390
50+
£26.230
Min: 1 / Mult: 1
Carbon Dioxide
40000ppm
± 3%
3%
-
-
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
2845668

RoHS

Each
1+
£54.000
5+
£49.470
10+
£47.630
50+
£45.790
Min: 1 / Mult: 1
Carbon Dioxide
2000ppm
± 3%
3%
Non-dispersive Infrared (NDIR)
Telaire T6713 CO2 Sensors
3550711

RoHS

Each
1+
£9.710
5+
£9.090
10+
£8.850
50+
£7.820
100+
£7.370
More Pricing...
Min: 1 / Mult: 1
Ammonia, Carbon Monoxide, Ethanol, Hydrogen, Methane, Nitrogen Dioxide
-
-
-
-
-
3550708

RoHS

Each
1+
£8.910
5+
£8.640
10+
£8.380
50+
£8.110
100+
£7.850
More Pricing...
Min: 1 / Mult: 1
Ammonia, Carbon Monoxide, Ethanol, Hydrogen, Methane
-
-
-
-
-
3677905

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
£16.040
5+
£14.640
10+
£14.120
50+
£13.460
100+
£12.360
More Pricing...
Min: 1 / Mult: 1
Carbon Dioxide
40000ppm
± 5%
-
-
PAsens CMOSens SCD4x Series
3550707

RoHS

Each
1+
£28.520
5+
£24.950
10+
£20.670
50+
£18.540
100+
£17.110
Min: 1 / Mult: 1
Carbon Dioxide, Volatile Organic Compound (VOC)
-
-
-
-
-
3550712

RoHS

Each
1+
£8.190
5+
£7.800
10+
£7.740
50+
£7.680
100+
£7.620
More Pricing...
Min: 1 / Mult: 1
Hydrogen, Nitrogen Dioxide
-
-
-
-
-
3677906

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
£18.890
5+
£17.060
10+
£16.390
50+
£14.670
100+
£14.370
More Pricing...
Min: 1 / Mult: 1
Carbon Dioxide
40000ppm
± 5%
-
-
PAsens CMOSens SCD4x Series
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
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