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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) Filter the results in the table by unit price based on your quantity.	Qty.
Air Quality Sensors Poison Resistant Pellistor Pair VQ21B Amphenol SGX Sensortech 1: S/ 557.41 1In Stock	Mfr. Part # VQ21B Mouser Part # 523-VQ21B	Amphenol SGX Sensortech	Air Quality Sensors Poison Resistant Pellistor Pair Learn More about Amphenol SGX Sensortech pellistor vq	Datasheet	1In Stock	S/ 557.41 S/ 441.14 S/ 393.34 S/ 372.59 View S/ 362.94 S/ 344.29 Quote	Min.: 1 Mult.: 1
Air Quality Sensors This is a simple-to-use hydrogen gas sensor suitable for sensing hydrogen concentrations in the air. The MQ-8 can detect hydrogen gas concentrations ranging from 100 to 10000 ppm.This sensor has a high sensitivity and fast response time. The sensor' SEN-10916 SparkFun 1: S/ 28.84 195In Stock	Mfr. Part # SEN-10916 Mouser Part # 474-SEN-10916	SparkFun	Air Quality Sensors This is a simple-to-use hydrogen gas sensor suitable for sensing hydrogen concentrations in the air. The MQ-8 can detect hydrogen gas concentrations ranging from 100 to 10000 ppm.This sensor has a high sensitivity and fast response time. The sensor'	Datasheet	195In Stock	S/ 28.84	Min.: 1 Mult.: 1
Air Quality Sensors OEM INDUCT MOUNT I METER CABLE 5V T8031-1M-5V Amphenol Advanced Sensors 1: S/ 581.42 5In Stock	Mfr. Part # T8031-1M-5V Mouser Part # 527-T8031-1M-5V	Amphenol Advanced Sensors	Air Quality Sensors OEM INDUCT MOUNT I METER CABLE 5V Learn More about Amphenol Advanced Sensors amphenol telair ventostat t8031	Datasheet	5In Stock	S/ 581.42 S/ 535.30 S/ 535.26 S/ 528.99 View S/ 526.66 Quote	Min.: 1 Mult.: 1
Air Quality Sensors Carbon Dioxide Mod CO2 Diff 0-2K ppm T6615-R12 Amphenol Advanced Sensors 1: S/ 334.33 8In Stock	Mfr. Part # T6615-R12 Mouser Part # 527-T6615-R12	Amphenol Advanced Sensors	Air Quality Sensors Carbon Dioxide Mod CO2 Diff 0-2K ppm Learn More about Amphenol Advanced Sensors telaire co2	Datasheet	8In Stock	S/ 334.33 S/ 334.29 View Quote	Min.: 1 Mult.: 1
Multiple Function Sensor Development Tools CN0395 EVAL-CN0395-ARDZ Analog Devices 1: S/ 534.01 5In Stock	Mfr. Part # EVAL-CN0395-ARDZ Mouser Part # 584-EVAL-CN0395-ARDZ	Analog Devices	Multiple Function Sensor Development Tools CN0395	Datasheet	5In Stock	S/ 534.01	Min.: 1 Mult.: 1
Air Quality Meters & Gas Detectors H2S INSPECTOR INDUST & PUMP KIT 202374-0001 Molex 1: S/ 809.72 9In Stock Factory Special Order	Mfr. Part # 202374-0001 Mouser Part # 538-KIT-INS-H2S-02 Factory Special Order	Molex	Air Quality Meters & Gas Detectors H2S INSPECTOR INDUST & PUMP KIT Learn More about Molex sensorcon hydrogen sulfide carbon monoxide inspectors	Datasheet	9In Stock	S/ 809.72 View S/ 706.72 S/ 681.38 S/ 676.36 Quote	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: S/ 27.01 318In Stock	Mfr. Part # SEN-09405 Mouser Part # 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	S/ 27.01	Min.: 1 Mult.: 1
Air Quality Sensors XENSIV Integrated Thermal Conductivity Gas Sensor ASIL B TCIBXTMA1 Infineon Technologies 1: S/ 51.54 915In Stock 1,800Expected 11/19/2026 New Product	Mfr. Part # TCIBXTMA1 Mouser Part # 726-TCIBXTMA1 New Product	Infineon Technologies	Air Quality Sensors XENSIV Integrated Thermal Conductivity Gas Sensor ASIL B Learn More about Infineon Technologies infineon xensiv tci integrated gas sensor	Datasheet	915In Stock 1,800Expected 11/19/2026	Cut Tape S/ 51.54 S/ 51.30 S/ 40.60 S/ 37.87 View Reel S/ 33.20 S/ 37.25 S/ 33.51 S/ 33.20 S/ 33.20	Min.: 1 Mult.: 1 : 1,800
Air Quality Sensors 4 SERIES NDIR HC SENSOR C1N-2654-40D Honeywell 1: S/ 1,349.22 22In Stock New Product	Mfr. Part # C1N-2654-40D Mouser Part # 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	S/ 1,349.22 S/ 1,339.02	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: S/ 25.30 10In Stock	Mfr. Part # SEN-17050 Mouser Part # 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	S/ 25.30	Min.: 1 Mult.: 1
Air Quality Meters & Gas Detectors HYDROGEN SULFIDE INSPECTOR IND PRO 202316-0001 Molex 1: S/ 742.42 6In Stock Factory Special Order	Mfr. Part # 202316-0001 Mouser Part # 538-INS-H2S-03 Factory Special Order	Molex	Air Quality Meters & Gas Detectors HYDROGEN SULFIDE INSPECTOR IND PRO Learn More about Molex sensorcon hydrogen sulfide carbon monoxide inspectors	Datasheet	6In Stock	S/ 742.42 View S/ 635.72 S/ 612.91 S/ 608.44 Quote	Min.: 1 Mult.: 1
Air Quality Sensors Carbon Monoxide Sensor MQ-7 SEN-09403 SparkFun 1: S/ 30.67 19In Stock	Mfr. Part # SEN-09403 Mouser Part # 474-SEN-09403	SparkFun	Air Quality Sensors Carbon Monoxide Sensor MQ-7	Datasheet	19In Stock	S/ 30.67	Min.: 1 Mult.: 1
Air Quality Sensors XENSIV Integrated Thermal Conductivity Refrigerant Gas Sensor TCIRXTMA1 Infineon Technologies 1: S/ 52.70 117In Stock New Product	Mfr. Part # TCIRXTMA1 Mouser Part # 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 S/ 52.70 S/ 44.45 S/ 41.30 S/ 37.48 View Reel S/ 27.95 S/ 34.84 S/ 32.39 S/ 29.00 S/ 27.95 S/ 27.95	Min.: 1 Mult.: 1 : 1,800
Air Quality Sensors Modbus Gas and TrueVOC Sensor MS-0203-01A Bridgetek 1: S/ 595.36 2In Stock 1Expected 12/29/2026 New Product	Mfr. Part # MS-0203-01A Mouser Part # 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 12/29/2026	S/ 595.36 S/ 502.21 S/ 466.75 S/ 423.74 View S/ 408.83 S/ 399.60 Quote	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: S/ 82.25 2,517In Stock New Product	Mfr. Part # SCD43-D-R2 Mouser Part # 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	2,517In Stock	Cut Tape S/ 82.25 S/ 75.09 S/ 72.40 S/ 69.21 View Reel S/ 60.61 S/ 67.03 S/ 65.78 S/ 60.61 Quote	Min.: 1 Mult.: 1 : 600
Air Quality Sensors A2L Refrigerant Sensor, R-32, R-454B 8 Pin, 24V, RS485, Relay SGD43S-M3-S5 Sensirion 1: S/ 282.67 309In Stock New Product	Mfr. Part # SGD43S-M3-S5 Mouser Part # 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	S/ 282.67 S/ 238.45 S/ 221.60 S/ 201.13 View S/ 190.15 S/ 185.32	Min.: 1 Mult.: 1
Air Quality Sensors PM, RH & T, CO2 sensor platform SEN63C-SIN-T Sensirion 1: S/ 129.23 288In Stock 420Expected 11/3/2026 New Product	Mfr. Part # SEN63C-SIN-T Mouser Part # 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	288In Stock 420Expected 11/3/2026	S/ 129.23 S/ 118.57 S/ 114.60 S/ 109.81 View S/ 105.45 S/ 104.90 S/ 101.98 Quote	Min.: 1 Mult.: 1
Air Quality Sensors PM, NOx, VOC, RH & T sensor platform SEN65-SIN-T Sensirion 1: S/ 126.58 106In Stock 1,260On Order New Product	Mfr. Part # SEN65-SIN-T Mouser Part # 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. #: SEN65-SIN-T Stock: 106 Can Ship Immediately On Order: 840 Expected 1/4/2027 420 Expected 3/12/2027 Factory Lead-Time: 17 Weeks	S/ 126.58 S/ 110.47 S/ 104.36 S/ 96.96 View S/ 93.03 S/ 89.29 Quote	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: S/ 282.67 185In Stock 600Expected 11/6/2026 New Product	Mfr. Part # SGD43S-M3-S7 Mouser Part # 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 11/6/2026	S/ 282.67 S/ 238.45 S/ 221.60 S/ 201.13 View S/ 190.15 S/ 185.32	Min.: 1 Mult.: 1
Air Quality Sensors STCC4-D-R3 CO2 I2C, SMD ToR 1500 pcs STCC4-D-R3 Sensirion 1: S/ 39.16 1,310In Stock 6,000Expected 12/30/2026 New Product	Mfr. Part # STCC4-D-R3 Mouser Part # 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	1,310In Stock 6,000Expected 12/30/2026	Cut Tape S/ 39.16 S/ 35.46 S/ 34.06 S/ 32.42 View Reel S/ 26.86 S/ 31.30 S/ 30.24 S/ 30.13 S/ 27.91 S/ 26.86 S/ 26.86 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,500 : 1,500
Air Quality Sensors HYDROGEN LEAK DETECTOR HLD-111-111-001 Honeywell 1: S/ 543.04 80In Stock New Product	Mfr. Part # HLD-111-111-001 Mouser Part # 785-HLD-111-111-001 New Product	Honeywell	Air Quality Sensors HYDROGEN LEAK DETECTOR Learn More about Honeywell hld sensor	Datasheet	80In Stock	S/ 543.04 S/ 499.95 S/ 462.43 S/ 438.57 View S/ 430.94 Quote	Min.: 1 Mult.: 1
Air Quality Sensors M5Stack MQ-5 Gas Unit (STM32G030) U199 M5Stack 1: S/ 21.41 45In Stock New Product	Mfr. Part # U199 Mouser Part # 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	S/ 21.41	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: S/ 29.04 725In Stock 1,500Expected 10/22/2026	Mfr. Part # ENS161-BLGT LGA9 T&R 1k5 Mouser Part # 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	725In Stock 1,500Expected 10/22/2026	Cut Tape S/ 29.04 S/ 25.85 S/ 24.06 S/ 19.81 View Reel S/ 15.80 S/ 19.07 S/ 18.37 S/ 16.74 S/ 16.00 S/ 15.80	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: S/ 421.29 41In Stock	Mfr. Part # AX-454B-LFL-A-MA Mouser Part # 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	Datasheet	41In Stock	S/ 421.29 S/ 391.47 S/ 391.43 S/ 391.39 View S/ 357.92 S/ 349.59 Quote	Min.: 1 Mult.: 1
Air Quality Sensors STC31-C, Thermal Conductivity Sensor for CO2IC STC31-C-R3 Sensirion 1: S/ 136.55 447In Stock 1,200Expected 11/25/2026	Mfr. Part # STC31-C-R3 Mouser Part # 403-STC31-C-R3	Sensirion	Air Quality Sensors STC31-C, Thermal Conductivity Sensor for CO2IC Learn More about Sensirion stc31 thermal conductivity sensor	Datasheet	447In Stock 1,200Expected 11/25/2026	Cut Tape S/ 136.55 S/ 125.34 S/ 121.17 S/ 116.19 View Reel S/ 103.46 S/ 109.77 S/ 106.30 S/ 103.46 Quote	Min.: 1 Mult.: 1 : 400

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