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:
$63.95
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 Sensirion photoacoustic CO2 sensor
SCD41-D-R2
Sensirion
1:
$20.12
8,992 On Order
Mouser Part No 403-SCD41-D-R2
Sensirion
Air Quality Sensors Sensirion photoacoustic CO2 sensor
8,992 On Order
View Dates
Alternative Packaging
On Order:
4,192 Expected 22/07/2026
4,800 Expected 23/09/2026
Factory Lead Time:
12 Weeks
1
$20.12
5
$18.36
10
$17.71
25
$16.92
50
View
600
$14.83
50
$16.39
100
$15.96
600
$14.83
1,200
Quote
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Min.: 1 Mult.: 1
Reel :600
Details
Air Quality Sensors VOC and NOx (MOX) Gas Pollutant Sensor
SGP41-D-R4
Sensirion
1:
$9.82
14,989 On Order
Mouser Part No 403-SGP41-D-R4
Sensirion
Air Quality Sensors VOC and NOx (MOX) Gas Pollutant Sensor
14,989 On Order
View Dates
On Order:
4,989 Expected 26/08/2026
10,000 Expected 21/10/2026
Factory Lead Time:
19 Weeks
1
$9.82
5
$8.87
10
$8.18
25
$7.47
50
View
2,500
$5.38
50
$7.02
100
$6.55
250
$6.52
500
$6.01
1,000
$5.38
2,500
$5.38
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
Multiple Function Sensor Development Tools Gravity UART IR CO2 Sensor
SEN0220
DFRobot
1:
$89.00
44 Expected 20/07/2026
Mouser Part No 426-SEN0220
DFRobot
Multiple Function Sensor Development Tools Gravity UART IR CO2 Sensor
44 Expected 20/07/2026
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Min.: 1 Mult.: 1
Details
Air Quality Sensors Wallmount CO2 Sensor ABC LGC CO2/PA D RL
T8100-D-R
Amphenol Advanced Sensors
1:
$327.12
4 On Order
Mouser Part No 527-T8100-D-R
Amphenol Advanced Sensors
Air Quality Sensors Wallmount CO2 Sensor ABC LGC CO2/PA D RL
4 On Order
1
$327.12
5
$309.24
10
$301.80
25
$292.89
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:
$15.79
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
$15.79
120
$15.06
300
$14.56
540
$14.29
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:
$17.43
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
$17.43
120
$16.64
300
$16.10
540
$15.89
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
Air Quality Sensors ELECTROCHEMICAL 4-SERIES
SGX-CH3SH-10
Amphenol SGX Sensortech
1:
$185.11
Non-Stocked Lead-Time 10 Weeks
New Product
Mouser Part No 523-SGX-CH3SH-10
New Product
Amphenol SGX Sensortech
Air Quality Sensors ELECTROCHEMICAL 4-SERIES
Non-Stocked Lead-Time 10 Weeks
1
$185.11
5
$156.15
10
$145.13
25
$131.75
50
View
50
$127.12
100
Quote
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Min.: 1 Mult.: 1
Details
Air Quality Sensors ELECTROCHEMICAL 4-SERIES
SGX-SIH4-10
Amphenol SGX Sensortech
1:
$155.68
Non-Stocked Lead-Time 10 Weeks
New Product
Mouser Part No 523-SGX-SIH4-10
New Product
Amphenol SGX Sensortech
Air Quality Sensors ELECTROCHEMICAL 4-SERIES
Non-Stocked Lead-Time 10 Weeks
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Min.: 1 Mult.: 1
Details
Air Quality Sensors ELECTROCHEMICAL 4-SERIES
SGX-SIH4-50
Amphenol SGX Sensortech
1:
$155.68
Non-Stocked Lead-Time 10 Weeks
New Product
Mouser Part No 523-SGX-SIH4-50
New Product
Amphenol SGX Sensortech
Air Quality Sensors ELECTROCHEMICAL 4-SERIES
Non-Stocked Lead-Time 10 Weeks
Buy
Min.: 1 Mult.: 1
Details
Air Quality Sensors Digital VOC Sensor, 2000ppm, 12-LGA, Reel
SGX4410-A1R
Amphenol SGX Sensortech
4,000:
$2.64
Non-Stocked Lead-Time 12 Weeks
New Product
Mouser Part No 523-SGX4410-A1R
New Product
Amphenol SGX Sensortech
Air Quality Sensors Digital VOC Sensor, 2000ppm, 12-LGA, Reel
Non-Stocked Lead-Time 12 Weeks
Buy
Min.: 4,000 Mult.: 4,000
Reel :4,000
Details
Air Quality Sensors Digital VOC Sensor 2000ppm, 12-LGA, Tray
SGX4410-A1V
Amphenol SGX Sensortech
490:
$3.05
Non-Stocked Lead-Time 12 Weeks
New Product
Mouser Part No 523-SGX4410-A1V
New Product
Amphenol SGX Sensortech
Air Quality Sensors Digital VOC Sensor 2000ppm, 12-LGA, Tray
Non-Stocked Lead-Time 12 Weeks
490
$3.05
980
$2.95
2,940
$2.81
Buy
Min.: 490 Mult.: 490
Details
Air Quality Sensors Digital VOC Sensor 2000ppm, sticker, 12-LGA, Reel
SGX4410-A2R
Amphenol SGX Sensortech
4,000:
$2.95
Non-Stocked Lead-Time 12 Weeks
New Product
Mouser Part No 523-SGX4410-A2R
New Product
Amphenol SGX Sensortech
Air Quality Sensors Digital VOC Sensor 2000ppm, sticker, 12-LGA, Reel
Non-Stocked Lead-Time 12 Weeks
Buy
Min.: 4,000 Mult.: 4,000
Reel :4,000
Details
Air Quality Sensors Digital VOC Sensor 2000ppm, sticker, 12-LGA, Tray
SGX4410-A2V
Amphenol SGX Sensortech
490:
$3.39
Non-Stocked Lead-Time 12 Weeks
New Product
Mouser Part No 523-SGX4410-A2V
New Product
Amphenol SGX Sensortech
Air Quality Sensors Digital VOC Sensor 2000ppm, sticker, 12-LGA, Tray
Non-Stocked Lead-Time 12 Weeks
490
$3.39
980
$3.27
2,940
$3.12
Buy
Min.: 490 Mult.: 490
Details
Air Quality Sensors Digital VOC Sensor 2000ppm, IP67, 12-LGA, Reel
SGX4410-A3R
Amphenol SGX Sensortech
4,000:
$3.18
Non-Stocked Lead-Time 12 Weeks
New Product
Mouser Part No 523-SGX4410-A3R
New Product
Amphenol SGX Sensortech
Air Quality Sensors Digital VOC Sensor 2000ppm, IP67, 12-LGA, Reel
Non-Stocked Lead-Time 12 Weeks
Buy
Min.: 4,000 Mult.: 4,000
Reel :4,000
Details
Air Quality Sensors Digital VOC Sensor, 2000ppm, IP67, 12-LGA, Tray
SGX4410-A3V
Amphenol SGX Sensortech
490:
$3.62
Non-Stocked Lead-Time 12 Weeks
New Product
Mouser Part No 523-SGX4410-A3V
New Product
Amphenol SGX Sensortech
Air Quality Sensors Digital VOC Sensor, 2000ppm, IP67, 12-LGA, Tray
Non-Stocked Lead-Time 12 Weeks
490
$3.62
980
$3.49
2,940
$3.33
Buy
Min.: 490 Mult.: 490
Details
Air Quality Sensors Digital VOC Sensor 2000ppm, IP67,sticker, 12-LGA, Reel
SGX4410-A4R
Amphenol SGX Sensortech
4,000:
$3.43
Non-Stocked Lead-Time 12 Weeks
New Product
Mouser Part No 523-SGX4410-A4R
New Product
Amphenol SGX Sensortech
Air Quality Sensors Digital VOC Sensor 2000ppm, IP67,sticker, 12-LGA, Reel
Non-Stocked Lead-Time 12 Weeks
Buy
Min.: 4,000 Mult.: 4,000
Reel :4,000
Details
Air Quality Sensors Digital VOC Sensor 2000ppm, IP67,sticker, 12-LGA, Tray
SGX4410-A4V
Amphenol SGX Sensortech
490:
$3.81
Non-Stocked Lead-Time 12 Weeks
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
Non-Stocked Lead-Time 12 Weeks
490
$3.81
980
$3.66
2,940
$3.59
Buy
Min.: 490 Mult.: 490
Details
Air Quality Sensors Industrial CO2 Sens 0 - 10,000 PPM
T3031-2-10K-24-P
Amphenol Advanced Sensors
10:
$340.88
Non-Stocked Lead-Time 2 Weeks
Mouser Part No 527-T3031-2-10K-24-P
Amphenol Advanced Sensors
Air Quality Sensors Industrial CO2 Sens 0 - 10,000 PPM
Non-Stocked Lead-Time 2 Weeks
Buy
Min.: 10 Mult.: 10
Air Quality Sensors Industrial CO2 Sens 0 - 2000 PPM
T3031-2-2K-24-P
Amphenol Advanced Sensors
1:
$340.88
Non-Stocked Lead-Time 2 Weeks
Mouser Part No 527-T3031-2-2K-24-P
Amphenol Advanced Sensors
Air Quality Sensors Industrial CO2 Sens 0 - 2000 PPM
Non-Stocked Lead-Time 2 Weeks
Buy
Min.: 1 Mult.: 1
Air Quality Sensors CO2 Mod 0-5000 PPM Calibration ports
T6613-5KC
Amphenol Advanced Sensors
10:
$81.81
Non-Stocked Lead-Time 1 Week
Mouser Part No 527-T6613-5KC
Amphenol Advanced Sensors
Air Quality Sensors CO2 Mod 0-5000 PPM Calibration ports
Non-Stocked Lead-Time 1 Week
10
$81.81
20
$81.75
50
$80.63
100
$80.13
200
View
200
Quote
Buy
Min.: 10 Mult.: 10
Details
Air Quality Sensors CO2 MOD 0-2000 PPM Calibration ports
T6613-F
Amphenol Advanced Sensors
1:
$88.72
Lead-Time 1 Week
Mouser Part No 527-T6613-F
Amphenol Advanced Sensors
Air Quality Sensors CO2 MOD 0-2000 PPM Calibration ports
Lead-Time 1 Week
1
$88.72
5
$82.26
10
$79.85
20
$76.43
50
View
50
$75.00
100
$73.19
Buy
Min.: 1 Mult.: 1
Details
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