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Gas Sensor Sensors

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
Air Quality Sensors 4 SERIES NDIR HC SENSOR C1N-2654-40D Honeywell 1: £260.23 22In Stock New Product	Mfr. Part No. C1N-2654-40D Mouser Part No 785-C1N-2654-40D New Product	Honeywell	Air Quality Sensors 4 SERIES NDIR HC SENSOR Learn More about Honeywell 4r ndir gas sensors	Datasheet	22In Stock	£260.23 £258.27	Min.: 1 Mult.: 1
Multiple Function Sensor Development Tools CN0395 EVAL-CN0395-ARDZ Analog Devices 1: £103.00 5In Stock	Mfr. Part No. EVAL-CN0395-ARDZ Mouser Part No 584-EVAL-CN0395-ARDZ	Analog Devices	Multiple Function Sensor Development Tools CN0395	Datasheet	5In Stock	£103.00	Min.: 1 Mult.: 1
Air Quality Sensors This is a simple-to-use liquefied petroleum gas (LPG) sensor suitable for measuring LPG (primarily propane and butane) concentrations in the air. The MQ-6 can detect gas concentrations from 200 to 10000 ppm.This sensor has a high sensitivity and fa SEN-09405 SparkFun 1: £5.41 318In Stock	Mfr. Part No. SEN-09405 Mouser Part No 474-SEN-09405	SparkFun	Air Quality Sensors This is a simple-to-use liquefied petroleum gas (LPG) sensor suitable for measuring LPG (primarily propane and butane) concentrations in the air. The MQ-6 can detect gas concentrations from 200 to 10000 ppm.This sensor has a high sensitivity and fa	Datasheet	318In Stock	£5.41	Min.: 1 Mult.: 1
Air Quality Sensors The MQ-9B is a CO and CH gas-detection sensor from Winsen. The sensing material of the MQ-9B is SnO2 which has a low conductivity in clean air. It detects carbon monoxide (1.5V) by cycling between high and low temperatures. The sensor s conduct SEN-17050 SparkFun 1: £4.88 10In Stock	Mfr. Part No. SEN-17050 Mouser Part No 474-SEN-17050	SparkFun	Air Quality Sensors The MQ-9B is a CO and CH gas-detection sensor from Winsen. The sensing material of the MQ-9B is SnO2 which has a low conductivity in clean air. It detects carbon monoxide (1.5V) by cycling between high and low temperatures. The sensor s conduct		10In Stock	£4.88	Min.: 1 Mult.: 1
Air Quality Sensors XENSIV Integrated Thermal Conductivity Refrigerant Gas Sensor TCIRXTMA1 Infineon Technologies 1: £10.16 117In Stock New Product	Mfr. Part No. TCIRXTMA1 Mouser Part No 726-TCIRXTMA1 New Product	Infineon Technologies	Air Quality Sensors XENSIV Integrated Thermal Conductivity Refrigerant Gas Sensor Learn More about Infineon Technologies infineon xensiv tci integrated gas sensor	Datasheet	117In Stock	Cut Tape £10.16 £8.57 £7.96 £7.23 View Reel £5.39 £6.72 £6.25 £5.60 £5.39 £5.39	Min.: 1 Mult.: 1 : 1,800
Air Quality Sensors Modbus Gas and TrueVOC Sensor MS-0203-01A Bridgetek 1: £114.83 2In Stock 1Expected 29/12/2026 New Product	Mfr. Part No. MS-0203-01A Mouser Part No 895-MS-0203-01A New Product	Bridgetek	Air Quality Sensors Modbus Gas and TrueVOC Sensor Learn More about Bridgetek modbus sensors and actuators	Datasheet	2In Stock 1Expected 29/12/2026	£114.83 £96.87 £90.02 £81.73 View £78.86 £77.10	Min.: 1 Mult.: 1
Air Quality Sensors High CO2 accuracy with comprehensive building standard compatibility, builds on the photoacoustic NDIR sensing principle SCD43-D-R2 Sensirion 1: £15.86 2,515In Stock New Product	Mfr. Part No. SCD43-D-R2 Mouser Part No 403-SCD43-D-R2 New Product	Sensirion	Air Quality Sensors High CO2 accuracy with comprehensive building standard compatibility, builds on the photoacoustic NDIR sensing principle Learn More about Sensirion scd43 air quality sensors	Datasheet	2,515In Stock	Cut Tape £15.86 £14.48 £13.97 £13.35 View Reel £11.69 £12.93 £12.68 £11.69 Quote	Min.: 1 Mult.: 1 : 600
Air Quality Sensors Carbon Monoxide Sensor MQ-7 SEN-09403 SparkFun 1: £6.15 19In Stock	Mfr. Part No. SEN-09403 Mouser Part No 474-SEN-09403	SparkFun	Air Quality Sensors Carbon Monoxide Sensor MQ-7	Datasheet	19In Stock	£6.15	Min.: 1 Mult.: 1
Air Quality Sensors A2L Refrigerant Sensor, R-32, R-454B 8 Pin, 24V, RS485, Relay SGD43S-M3-S5 Sensirion 1: £54.52 309In Stock New Product	Mfr. Part No. SGD43S-M3-S5 Mouser Part No 403-SGD43S-M3-S5 New Product	Sensirion	Air Quality Sensors A2L Refrigerant Sensor, R-32, R-454B 8 Pin, 24V, RS485, Relay Learn More about Sensirion sgd4x refrigerant sensors	Datasheet	309In Stock	£54.52 £45.99 £42.74 £38.80 View £36.67 £35.74	Min.: 1 Mult.: 1
Air Quality Sensors PM, RH & T, CO2 sensor platform SEN63C-SIN-T Sensirion 1: £24.92 278In Stock 420Expected 03/11/2026 New Product	Mfr. Part No. SEN63C-SIN-T Mouser Part No 403-SEN63C-SIN-T New Product	Sensirion	Air Quality Sensors PM, RH & T, CO2 sensor platform Learn More about Sensirion sen63C air quality sensors	Datasheet	278In Stock 420Expected 03/11/2026	£24.92 £22.87 £22.10 £21.18 View £20.34 £20.24 £19.67 Quote	Min.: 1 Mult.: 1
Air Quality Sensors PM, NOx, VOC, RH & T sensor platform SEN65-SIN-T Sensirion 1: £24.42 106In Stock 1,260On Order New Product	Mfr. Part No. SEN65-SIN-T Mouser Part No 403-SEN65-SIN-T New Product	Sensirion	Air Quality Sensors PM, NOx, VOC, RH & T sensor platform Learn More about Sensirion sen65 air quality sensors	Datasheet	106In Stock 1,260On Order On Order Ship Dates Mfr. No: SEN65-SIN-T Stock: 106 Can Dispatch Immediately On Order: 840 Expected 04/01/2027 420 Expected 12/03/2027 Factory Lead Time: 17 Weeks	£24.42 £21.31 £20.13 £18.70 View £17.94 £17.22	Min.: 1 Mult.: 1
Air Quality Sensors A2L Refrigerant Sensor, R-454A/R-454C/R-455A 8 Pin, 24V, RS485, Relay SGD43S-M3-S7 Sensirion 1: £54.52 185In Stock 600Expected 06/11/2026 New Product	Mfr. Part No. SGD43S-M3-S7 Mouser Part No 403-SGD43S-M3-S7 New Product	Sensirion	Air Quality Sensors A2L Refrigerant Sensor, R-454A/R-454C/R-455A 8 Pin, 24V, RS485, Relay Learn More about Sensirion sgd4x refrigerant sensors	Datasheet	185In Stock 600Expected 06/11/2026	£54.52 £45.99 £42.74 £38.80 View £36.67 £35.74	Min.: 1 Mult.: 1
Air Quality Sensors STCC4-D-R3 CO2 I2C, SMD ToR 1500 pcs STCC4-D-R3 Sensirion 1: £7.55 1,270In Stock 6,000Expected 30/12/2026 New Product	Mfr. Part No. STCC4-D-R3 Mouser Part No 403-STCC4-D-R3 New Product	Sensirion	Air Quality Sensors STCC4-D-R3 CO2 I2C, SMD ToR 1500 pcs Learn More about Sensirion stcc4 mini co2 sensor	Datasheet	1,270In Stock 6,000Expected 30/12/2026	Cut Tape £7.55 £6.84 £6.57 £6.25 View Reel £5.18 £6.03 £5.83 £5.81 £5.39 £5.18 £5.18 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,500 : 1,500
Air Quality Sensors HYDROGEN LEAK DETECTOR HLD-111-111-001 Honeywell 1: £104.74 80In Stock New Product	Mfr. Part No. HLD-111-111-001 Mouser Part No 785-HLD-111-111-001 New Product	Honeywell	Air Quality Sensors HYDROGEN LEAK DETECTOR Learn More about Honeywell hld sensor	Datasheet	80In Stock	£104.74 £96.43 £89.19 £84.59 View £83.12 £81.49 Quote	Min.: 1 Mult.: 1
Air Quality Sensors M5Stack MQ-5 Gas Unit (STM32G030) U199 M5Stack 1: £4.13 45In Stock New Product	Mfr. Part No. U199 Mouser Part No 170-U199 New Product	M5Stack	Air Quality Sensors M5Stack MQ-5 Gas Unit (STM32G030) Learn More about M5Stack unit mq combustible gas sensor	Datasheet	45In Stock	£4.13	Min.: 1 Mult.: 1
Air Quality Sensors ENS161-BLGT LGA9 T&R 1K5 - Digital Metal-Oxide Multi-Gas Sensor with permanent and low power mode of operation ENS161-BLGT LGA9 T&R 1k5 ScioSense 1: £5.60 718In Stock 1,500On Order	Mfr. Part No. ENS161-BLGT LGA9 T&R 1k5 Mouser Part No 135-ENS161BGLTT&R1K5	ScioSense	Air Quality Sensors ENS161-BLGT LGA9 T&R 1K5 - Digital Metal-Oxide Multi-Gas Sensor with permanent and low power mode of operation Learn More about ScioSense ens161 sensors	Datasheet	718In Stock 1,500On Order	Cut Tape £5.60 £4.98 £4.64 £3.82 View Reel £3.05 £3.68 £3.54 £3.23 £3.08 £3.05	Min.: 1 Mult.: 1 : 1,500
Air Quality Sensors Axiom UL60335-20-40 Certified Refrigerant Leak Detector R454B 4-20mA Output AX-454B-LFL-A-MA Dynament 1: £81.26 41In Stock Restricted Availability	Mfr. Part No. AX-454B-LFL-A-MA Mouser Part No 231-AX-454B-LFL-AMA	Dynament	Air Quality Sensors Axiom UL60335-20-40 Certified Refrigerant Leak Detector R454B 4-20mA Output Learn More about Dynament axiom gas detectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	41In Stock	£81.26 £75.51 £75.50 £75.49 View £69.04 £68.09	Min.: 1 Mult.: 1 Restricted Availability
Air Quality Sensors STC31-C, Thermal Conductivity Sensor for CO2IC STC31-C-R3 Sensirion 1: £26.34 448In Stock 1,200Expected 25/11/2026	Mfr. Part No. STC31-C-R3 Mouser Part No 403-STC31-C-R3	Sensirion	Air Quality Sensors STC31-C, Thermal Conductivity Sensor for CO2IC Learn More about Sensirion stc31 thermal conductivity sensor	Datasheet	448In Stock 1,200Expected 25/11/2026	Cut Tape £26.34 £24.17 £23.37 £22.41 View Reel £19.96 £21.17 £20.51 £19.96 Quote	Min.: 1 Mult.: 1 : 400
Air Quality Sensors Fermion: MEMS Odor Smell Gas Detection Sensor (Breakout, 0.5-50ppm) SEN0571 DFRobot 1: £3.68 380In Stock	Mfr. Part No. SEN0571 Mouser Part No 426-SEN0571	DFRobot	Air Quality Sensors Fermion: MEMS Odor Smell Gas Detection Sensor (Breakout, 0.5-50ppm)		380In Stock	£3.68	Min.: 1 Mult.: 1
Air Quality Sensors Senseair S88 Residential 004-1-0100 Senseair 1: £14.67 339In Stock	Mfr. Part No. 004-1-0100 Mouser Part No 812-004-1-0100	Senseair	Air Quality Sensors Senseair S88 Residential Learn More about Senseair s88 sensors	Datasheet	339In Stock	£14.67 £13.38 £12.90 £12.33 View £11.93 £11.69 £11.13 £10.54 £10.45	Min.: 1 Mult.: 1
Air Quality Sensors Senseair Sunlight CO2 006-1-0100 Senseair 1: £24.57 384In Stock	Mfr. Part No. 006-1-0100 Mouser Part No 812-006-1-0100	Senseair	Air Quality Sensors Senseair Sunlight CO2 Learn More about Senseair sunlight co2 sensors	Datasheet	384In Stock	£24.57 £22.55 £21.80 £20.90 View £20.29 £20.10 £19.03	Min.: 1 Mult.: 1
Air Quality Sensors Sensirion photoacoustic CO2 sensor SCD40-D-R2 Sensirion 1: £14.01 1,493In Stock	Mfr. Part No. SCD40-D-R2 Mouser Part No 403-SCD40-D-R2	Sensirion	Air Quality Sensors Sensirion photoacoustic CO2 sensor Learn More about Sensirion scd40	Datasheet	1,493In Stock	Cut Tape £14.01 £12.77 £12.31 £11.77 View Reel £10.06 £11.38 £11.05 £10.06 Quote	Min.: 1 Mult.: 1 : 600
Air Quality Sensors Sensirion photoacoustic CO2 sensor SCD41-D-R2 Sensirion 1: £16.34 10,755In Stock	Mfr. Part No. SCD41-D-R2 Mouser Part No 403-SCD41-D-R2	Sensirion	Air Quality Sensors Sensirion photoacoustic CO2 sensor Learn More about Sensirion scd40	Datasheet	10,755In Stock	Cut Tape £16.34 £14.92 £14.39 £13.55 View Reel £11.13 £12.83 £12.31 £11.13	Min.: 1 Mult.: 1 : 600
Air Quality Sensors Senseair Sunrise 006-0-0008 Senseair 1: £35.95 515In Stock	Mfr. Part No. 006-0-0008 Mouser Part No 812-006-0-0008	Senseair	Air Quality Sensors Senseair Sunrise Learn More about Senseair sunrise sensor	Datasheet	515In Stock	£35.95 £33.13 £32.08 £31.21 View £30.56 £29.78 Quote	Min.: 1 Mult.: 1
Multiple Function Sensor Development Tools T3400 A2L Refrigerant Sensor Evaluation Kit, R-32 T3400-EVAL Amphenol Advanced Sensors 1: £53.43 4In Stock New Product	Mfr. Part No. T3400-EVAL Mouser Part No 527-T3400-EVAL New Product	Amphenol Advanced Sensors	Multiple Function Sensor Development Tools T3400 A2L Refrigerant Sensor Evaluation Kit, R-32 Learn More about Amphenol Advanced Sensors amphenol t3400 refrigerant leak detection sensor	Datasheet	4In Stock	£53.43	Min.: 1 Mult.: 1