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:
$7.42
197 In Stock
Mouser Part No
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'
197 In Stock
Buy
Min.: 1
Mult.: 1
Air Quality Sensors T3032 100k, Dual Chan, 4 to 20 mA Industrial Sensor
T3032-2-100K-24-P
Amphenol Advanced Sensors
1:
$382.11
1 In Stock
Mouser Part No
527-T30322100K24P
Amphenol Advanced Sensors
Air Quality Sensors T3032 100k, Dual Chan, 4 to 20 mA Industrial Sensor
1 In Stock
1
$382.11
5
$359.45
10
$350.99
20
$340.88
500
Quote
500
Quote
Buy
Min.: 1
Mult.: 1
Air Quality Sensors Wallmount CO2 Sensor
T5100-V
Amphenol Advanced Sensors
1:
$159.17
1 In Stock
Mouser Part No
527-T5100-V
Amphenol Advanced Sensors
Air Quality Sensors Wallmount CO2 Sensor
1 In Stock
1
$159.17
5
$148.48
10
$144.49
25
$139.72
50
$136.45
Buy
Min.: 1
Mult.: 1
Air Quality Sensors CO2 Mod 0-5000 PPM Calibration ports
T6613-5KF
Amphenol Advanced Sensors
1:
$114.16
8 In Stock
Mouser Part No
527-T6613-5KF
Amphenol Advanced Sensors
Air Quality Sensors CO2 Mod 0-5000 PPM Calibration ports
8 In Stock
1
$114.16
5
$96.29
10
$81.79
20
$81.75
50
View
50
$81.73
100
$81.70
200
Quote
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Min.: 1
Mult.: 1
Details
Air Quality Sensors MediPlas Reactor, V 1.0, requires MediPlas Driver PN: Z63000Z2910Z01Z83
Z63000Z2910Z01Z84
TDK
1:
$643.75
5 In Stock
Factory Special Order
Mouser Part No
871-Z63000Z2910Z1Z84
Factory Special Order
TDK
Air Quality Sensors MediPlas Reactor, V 1.0, requires MediPlas Driver PN: Z63000Z2910Z01Z83
5 In Stock
Buy
Min.: 1
Mult.: 1
Details
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:
$6.94
322 In Stock
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
322 In Stock
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Min.: 1
Mult.: 1
Details
Air Quality Sensors 4 Series Electrochemical Hydrogen Chloride 30ppm
SGX-HCL-30
Amphenol SGX Sensortech
1:
$269.04
2 In Stock
Mouser Part No
523-SGX-HCL-30
Amphenol SGX Sensortech
Air Quality Sensors 4 Series Electrochemical Hydrogen Chloride 30ppm
2 In Stock
1
$269.04
5
$251.16
20
$251.15
60
View
60
Quote
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Min.: 1
Mult.: 1
Details
Air Quality Sensors Duct air kit sample Norm vent app
T8300-B
Amphenol Advanced Sensors
1:
$341.78
3 In Stock
Factory Special Order
Mouser Part No
527-T8300-B
Factory Special Order
Amphenol Advanced Sensors
Air Quality Sensors Duct air kit sample Norm vent app
3 In Stock
1
$341.78
5
View
5
$321.29
10
$313.64
25
$304.49
Buy
Min.: 1
Mult.: 1
Details
Air Quality Sensors This is a simple-to-use compressed natural gas (CNG) sensor suitable for measuring natural gas (mostly methane [CH4]) concentrations in the air. The MQ-4 can detect natural gas concentrations ranging from 200 to 10000 ppm.This sensor has a high se
SEN-09404
SparkFun
1:
$6.94
23 In Stock
Mouser Part No
474-SEN-09404
SparkFun
Air Quality Sensors This is a simple-to-use compressed natural gas (CNG) sensor suitable for measuring natural gas (mostly methane [CH4]) concentrations in the air. The MQ-4 can detect natural gas concentrations ranging from 200 to 10000 ppm.This sensor has a high se
23 In Stock
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Min.: 1
Mult.: 1
Air Quality Sensors The MQ-2 is a smoke and combustible gas sensor from Winsen. It can detect flammable gas in a range of 300 - 10000ppm. It's most common use is domestic gas leakage alarms and detectors with a high sensitivity to propane and smoke. The sensing material
SEN-17049
SparkFun
1:
$5.85
34 In Stock
Mouser Part No
474-SEN-17049
SparkFun
Air Quality Sensors The MQ-2 is a smoke and combustible gas sensor from Winsen. It can detect flammable gas in a range of 300 - 10000ppm. It's most common use is domestic gas leakage alarms and detectors with a high sensitivity to propane and smoke. The sensing material
34 In Stock
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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:
$6.50
14 In Stock
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
14 In Stock
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Min.: 1
Mult.: 1
Air Quality Sensors The MQ-136 is a Hydrogen Sulfide detection sensor with a sensing range of 1 - 200ppm. The sensing element is SnO2 which has lower conductivity in clean air. When H S gas is present the sensor s conductivity increases with gas concentration. A s
SEN-17052
SparkFun
1:
$40.69
2 In Stock
Mouser Part No
474-SEN-17052
SparkFun
Air Quality Sensors The MQ-136 is a Hydrogen Sulfide detection sensor with a sensing range of 1 - 200ppm. The sensing element is SnO2 which has lower conductivity in clean air. When H S gas is present the sensor s conductivity increases with gas concentration. A s
2 In Stock
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Min.: 1
Mult.: 1
Air Quality Sensors The MQ-137 is an Ammonia (NH ) gas sensor from Winsen. The sensing element is SnO2 which has lower conductivity in clean air. When NH (Ammonia) gas exists the sensor s conductivity gets higher as the gas concentration rises. A simple circuit
SEN-17053
SparkFun
1:
$68.20
8 In Stock
Mouser Part No
474-SEN-17053
SparkFun
Air Quality Sensors The MQ-137 is an Ammonia (NH ) gas sensor from Winsen. The sensing element is SnO2 which has lower conductivity in clean air. When NH (Ammonia) gas exists the sensor s conductivity gets higher as the gas concentration rises. A simple circuit
8 In Stock
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Min.: 1
Mult.: 1
Air Quality Sensors PM, NOx, VOC, RH & T sensor platform
SEN65-SIN-T
Sensirion
1:
$27.94
1,258 On Order
New Product
Mouser Part No
403-SEN65-SIN-T
New Product
Sensirion
Air Quality Sensors PM, NOx, VOC, RH & T sensor platform
1,258 On Order
View Dates
On Order:
418 Expected 30/12/2026
840 Expected 04/01/2027
Factory Lead Time:
21 Weeks
1
$27.94
5
$25.58
10
$24.71
25
$23.66
50
View
50
$22.76
100
$22.12
840
Quote
Buy
Min.: 1
Mult.: 1
Details
Air Quality Sensors STCC4-D-R3 CO2 I2C, SMD ToR 1500 pcs
STCC4-D-R3
Sensirion
1:
$10.06
8,980 On Order
New Product
Mouser Part No
403-STCC4-D-R3
New Product
Sensirion
Air Quality Sensors STCC4-D-R3 CO2 I2C, SMD ToR 1500 pcs
8,980 On Order
View Dates
On Order:
2,980 Expected 02/09/2026
6,000 Expected 30/12/2026
Factory Lead Time:
19 Weeks
1
$10.06
5
$9.11
10
$8.75
25
$8.33
50
View
1,500
$7.73
50
$8.04
100
$7.77
250
$7.73
1,500
$7.73
Buy
Min.: 1
Mult.: 1
Max.: 400
Reel :
1,500
Details
Air Quality Sensors Digital VOC Sensor, 2000ppm, 12-LGA, Reel
SGX4410-A1R
Amphenol SGX Sensortech
1:
$5.46
4,000 Expected 22/10/2026
New Product
Mouser Part No
523-SGX4410-A1R
New Product
Amphenol SGX Sensortech
Air Quality Sensors Digital VOC Sensor, 2000ppm, 12-LGA, Reel
4,000 Expected 22/10/2026
1
$5.46
5
$4.61
10
$4.28
25
$3.89
50
View
4,000
$2.68
50
$3.61
100
$3.36
500
$2.86
1,000
$2.77
2,500
$2.68
4,000
$2.68
Buy
Min.: 1
Mult.: 1
Reel :
4,000
Details
Air Quality Sensors Digital VOC Sensor 2000ppm, sticker, 12-LGA, Tray
SGX4410-A2V
Amphenol SGX Sensortech
1:
$5.00
490 Expected 22/10/2026
New Product
Mouser Part No
523-SGX4410-A2V
New Product
Amphenol SGX Sensortech
Air Quality Sensors Digital VOC Sensor 2000ppm, sticker, 12-LGA, Tray
490 Expected 22/10/2026
1
$5.00
5
$4.49
10
$4.30
25
$4.07
50
View
50
$3.92
100
$3.49
490
$3.38
980
$3.32
Buy
Min.: 1
Mult.: 1
Details
Air Quality Sensors Digital VOC Sensor 2000ppm, IP67, 12-LGA, Reel
SGX4410-A3R
Amphenol SGX Sensortech
1:
$6.53
4,000 Expected 22/10/2026
New Product
Mouser Part No
523-SGX4410-A3R
New Product
Amphenol SGX Sensortech
Air Quality Sensors Digital VOC Sensor 2000ppm, IP67, 12-LGA, Reel
4,000 Expected 22/10/2026
1
$6.53
5
$5.50
10
$5.11
25
$4.64
50
View
4,000
$3.25
50
$4.31
100
$4.01
500
$3.45
1,000
$3.33
2,500
$3.25
4,000
$3.25
Buy
Min.: 1
Mult.: 1
Reel :
4,000
Details
Air Quality Sensors Digital VOC Sensor 2000ppm, IP67,sticker, 12-LGA, Tray
SGX4410-A4V
Amphenol SGX Sensortech
1:
$5.66
490 Expected 22/10/2026
New Product
Mouser Part No
523-SGX4410-A4V
New Product
Amphenol SGX Sensortech
Air Quality Sensors Digital VOC Sensor 2000ppm, IP67,sticker, 12-LGA, Tray
490 Expected 22/10/2026
1
$5.66
5
$5.09
10
$4.88
25
$4.62
50
View
50
$4.45
100
$3.97
490
$3.84
980
$3.78
Buy
Min.: 1
Mult.: 1
Details
Air Quality Sensors Industrial CO2 Sens 0 - 2000 PPM
T3031-2-2K-24-P
Amphenol Advanced Sensors
1:
$411.14
9 Expected 04/09/2026
Mouser Part No
527-T3031-2-2K-24-P
Amphenol Advanced Sensors
Air Quality Sensors Industrial CO2 Sens 0 - 2000 PPM
9 Expected 04/09/2026
1
$411.14
5
$387.02
10
$378.01
20
$368.62
50
View
50
Quote
Buy
Min.: 1
Mult.: 1
Air Quality Sensors Senseair Sunlight CO2
006-1-0100
Senseair
1:
$32.73
500 Expected 23/09/2026
Mouser Part No
812-006-1-0100
Senseair
Air Quality Sensors Senseair Sunlight CO2
500 Expected 23/09/2026
1
$32.73
5
$30.04
10
$29.04
25
$27.84
50
View
50
$27.02
100
$26.77
250
$25.35
Buy
Min.: 1
Mult.: 1
Details
Air Quality Sensors ALTA 900 MHz AA - Gas Sensor, Carbon Monoxide (CO)
MNS2-9-W2-GS-C1
Monnit
Restricted Availability
Mouser Part No
396-MNS2-9-W2-GS-C1
Monnit
Air Quality Sensors ALTA 900 MHz AA - Gas Sensor, Carbon Monoxide (CO)
Air Quality Sensors Sensirion photoacoustic CO2 sensor
SCD40-D-R1
Sensirion
60:
$16.40
Non-Stocked Lead-Time 10 Weeks
Mouser Part No
403-SCD40-D-R1
Sensirion
Air Quality Sensors Sensirion photoacoustic CO2 sensor
Non-Stocked Lead-Time 10 Weeks
Alternative Packaging
60
$16.40
120
$15.44
300
$15.15
540
$14.44
1,020
Quote
1,020
Quote
Buy
Min.: 60
Mult.: 60
Reel :
60
Details
Air Quality Sensors Sensirion photoacoustic CO2 sensor
SCD41-D-R1
Sensirion
60:
$18.13
Non-Stocked Lead-Time 10 Weeks
Mouser Part No
403-SCD41-D-R1
Sensirion
Air Quality Sensors Sensirion photoacoustic CO2 sensor
Non-Stocked Lead-Time 10 Weeks
Alternative Packaging
60
$18.13
120
$17.30
300
$16.74
540
$16.52
Buy
Min.: 60
Mult.: 60
Reel :
60
Details
Air Quality Sensors STC31-C, Thermal Conductivity Sensor for CO2IC
STC31-C-R5
Sensirion
5,000:
$23.92
Non-Stocked Lead-Time 8 Weeks
New Product
Mouser Part No
403-STC31-C-R5
New Product
Sensirion
Air Quality Sensors STC31-C, Thermal Conductivity Sensor for CO2IC
Non-Stocked Lead-Time 8 Weeks
Alternative Packaging
Buy
Min.: 5,000
Mult.: 5,000
Reel :
5,000
Details