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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:
$8.84
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14In Stock
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Mouser Part No
474-SEN-17050
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SparkFun
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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
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14In Stock
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Min.: 1
Mult.: 1
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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:
$55.34
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2In Stock
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Mouser Part No
474-SEN-17052
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SparkFun
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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
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2In Stock
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Min.: 1
Mult.: 1
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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:
$86.97
-
8In Stock
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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
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8In Stock
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Min.: 1
Mult.: 1
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Air Quality Sensors VOC and NOx (MOX) Gas Pollutant Sensor
- SGP41-D-R4
- Sensirion
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1:
$13.36
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14,987On Order
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Mouser Part No
403-SGP41-D-R4
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Sensirion
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Air Quality Sensors VOC and NOx (MOX) Gas Pollutant Sensor
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14,987On Order
On Order:
4,987 Expected 26/8/2026
10,000 Expected 21/10/2026
Factory Lead Time:
19 Weeks
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$13.36
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$12.06
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$11.12
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$10.16
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View
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$7.32
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$9.55
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$8.91
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$8.87
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$8.17
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$7.32
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$7.32
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Min.: 1
Mult.: 1
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2,500
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Multiple Function Sensor Development Tools Gravity UART IR CO2 Sensor
- SEN0220
- DFRobot
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1:
$121.04
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44On Order
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Mouser Part No
426-SEN0220
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DFRobot
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Multiple Function Sensor Development Tools Gravity UART IR CO2 Sensor
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44On Order
On Order:
24 Pending
20 Expected 11/8/2026
Factory Lead Time:
6 Weeks
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Min.: 1
Mult.: 1
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Air Quality Sensors Wallmount CO2 Sensor ABC LGC CO2/PA D RL
- T8100-D-R
- Amphenol Advanced Sensors
-
1:
$423.52
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4On Order
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Mouser Part No
527-T8100-D-R
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Amphenol Advanced Sensors
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Air Quality Sensors Wallmount CO2 Sensor ABC LGC CO2/PA D RL
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4On Order
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$423.52
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$419.04
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$395.34
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$386.21
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View
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Quote
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Min.: 1
Mult.: 1
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Air Quality Sensors ALTA 900 MHz AA - Gas Sensor, Carbon Monoxide (CO)
- MNS2-9-W2-GS-C1
- Monnit
-
Restricted Availability
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Mouser Part No
396-MNS2-9-W2-GS-C1
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Monnit
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Air Quality Sensors ALTA 900 MHz AA - Gas Sensor, Carbon Monoxide (CO)
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Air Quality Sensors Sensirion photoacoustic CO2 sensor
- SCD40-D-R1
- Sensirion
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60:
$22.32
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Non-Stocked Lead-Time 10 Weeks
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Mouser Part No
403-SCD40-D-R1
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Sensirion
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Air Quality Sensors Sensirion photoacoustic CO2 sensor
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Non-Stocked Lead-Time 10 Weeks
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$22.32
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$21.13
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$20.60
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$19.48
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Min.: 60
Mult.: 60
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60
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Air Quality Sensors Sensirion photoacoustic CO2 sensor
- SCD41-D-R1
- Sensirion
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60:
$24.66
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Non-Stocked Lead-Time 10 Weeks
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Mouser Part No
403-SCD41-D-R1
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Sensirion
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Air Quality Sensors Sensirion photoacoustic CO2 sensor
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Non-Stocked Lead-Time 10 Weeks
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$24.66
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$23.43
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$22.77
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$22.47
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Min.: 60
Mult.: 60
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60
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Air Quality Sensors STC31-C, Thermal Conductivity Sensor for CO2IC
- STC31-C-R5
- Sensirion
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5,000:
$32.53
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Non-Stocked Lead-Time 8 Weeks
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New Product
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Mouser Part No
403-STC31-C-R5
New Product
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Sensirion
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Air Quality Sensors STC31-C, Thermal Conductivity Sensor for CO2IC
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Non-Stocked Lead-Time 8 Weeks
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Min.: 5,000
Mult.: 5,000
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5,000
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Air Quality Sensors ELECTROCHEMICAL 4-SERIES
- SGX-CH3SH-10
- Amphenol SGX Sensortech
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1:
$251.75
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Non-Stocked Lead-Time 10 Weeks
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New Product
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Mouser Part No
523-SGX-CH3SH-10
New Product
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Amphenol SGX Sensortech
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Air Quality Sensors ELECTROCHEMICAL 4-SERIES
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Non-Stocked Lead-Time 10 Weeks
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$251.75
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$212.36
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$197.38
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$179.18
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View
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$172.88
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Quote
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Min.: 1
Mult.: 1
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Air Quality Sensors ELECTROCHEMICAL 4-SERIES
- SGX-SIH4-10
- Amphenol SGX Sensortech
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1:
$211.72
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Non-Stocked Lead-Time 10 Weeks
-
New Product
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Mouser Part No
523-SGX-SIH4-10
New Product
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Amphenol SGX Sensortech
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Air Quality Sensors ELECTROCHEMICAL 4-SERIES
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Non-Stocked Lead-Time 10 Weeks
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Min.: 1
Mult.: 1
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Air Quality Sensors ELECTROCHEMICAL 4-SERIES
- SGX-SIH4-50
- Amphenol SGX Sensortech
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1:
$211.72
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Non-Stocked Lead-Time 10 Weeks
-
New Product
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Mouser Part No
523-SGX-SIH4-50
New Product
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Amphenol SGX Sensortech
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Air Quality Sensors ELECTROCHEMICAL 4-SERIES
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Non-Stocked Lead-Time 10 Weeks
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Min.: 1
Mult.: 1
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Air Quality Sensors Digital VOC Sensor, 2000ppm, 12-LGA, Reel
- SGX4410-A1R
- Amphenol SGX Sensortech
-
4,000:
$3.59
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Non-Stocked Lead-Time 12 Weeks
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New Product
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Mouser Part No
523-SGX4410-A1R
New Product
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Amphenol SGX Sensortech
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Air Quality Sensors Digital VOC Sensor, 2000ppm, 12-LGA, Reel
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Non-Stocked Lead-Time 12 Weeks
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Min.: 4,000
Mult.: 4,000
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4,000
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Air Quality Sensors Digital VOC Sensor 2000ppm, 12-LGA, Tray
- SGX4410-A1V
- Amphenol SGX Sensortech
-
490:
$4.15
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Non-Stocked Lead-Time 12 Weeks
-
New Product
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Mouser Part No
523-SGX4410-A1V
New Product
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Amphenol SGX Sensortech
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Air Quality Sensors Digital VOC Sensor 2000ppm, 12-LGA, Tray
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Non-Stocked Lead-Time 12 Weeks
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$4.15
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$4.01
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$3.82
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Min.: 490
Mult.: 490
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Air Quality Sensors Digital VOC Sensor 2000ppm, sticker, 12-LGA, Reel
- SGX4410-A2R
- Amphenol SGX Sensortech
-
4,000:
$4.01
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Non-Stocked Lead-Time 12 Weeks
-
New Product
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Mouser Part No
523-SGX4410-A2R
New Product
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Amphenol SGX Sensortech
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Air Quality Sensors Digital VOC Sensor 2000ppm, sticker, 12-LGA, Reel
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Non-Stocked Lead-Time 12 Weeks
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Min.: 4,000
Mult.: 4,000
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4,000
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Air Quality Sensors Digital VOC Sensor 2000ppm, sticker, 12-LGA, Tray
- SGX4410-A2V
- Amphenol SGX Sensortech
-
490:
$4.61
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Non-Stocked Lead-Time 12 Weeks
-
New Product
|
Mouser Part No
523-SGX4410-A2V
New Product
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Amphenol SGX Sensortech
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Air Quality Sensors Digital VOC Sensor 2000ppm, sticker, 12-LGA, Tray
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Non-Stocked Lead-Time 12 Weeks
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$4.61
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$4.45
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$4.24
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Min.: 490
Mult.: 490
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Air Quality Sensors Digital VOC Sensor 2000ppm, IP67, 12-LGA, Reel
- SGX4410-A3R
- Amphenol SGX Sensortech
-
4,000:
$4.32
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Non-Stocked Lead-Time 12 Weeks
-
New Product
|
Mouser Part No
523-SGX4410-A3R
New Product
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Amphenol SGX Sensortech
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Air Quality Sensors Digital VOC Sensor 2000ppm, IP67, 12-LGA, Reel
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Non-Stocked Lead-Time 12 Weeks
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Min.: 4,000
Mult.: 4,000
:
4,000
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Air Quality Sensors Digital VOC Sensor, 2000ppm, IP67, 12-LGA, Tray
- SGX4410-A3V
- Amphenol SGX Sensortech
-
490:
$4.92
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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
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Non-Stocked Lead-Time 12 Weeks
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$4.92
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$4.75
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$4.53
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Min.: 490
Mult.: 490
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Air Quality Sensors Digital VOC Sensor 2000ppm, IP67,sticker, 12-LGA, Reel
- SGX4410-A4R
- Amphenol SGX Sensortech
-
4,000:
$4.66
-
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
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Non-Stocked Lead-Time 12 Weeks
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Min.: 4,000
Mult.: 4,000
:
4,000
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Air Quality Sensors Digital VOC Sensor 2000ppm, IP67,sticker, 12-LGA, Tray
- SGX4410-A4V
- Amphenol SGX Sensortech
-
490:
$5.18
-
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
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Non-Stocked Lead-Time 12 Weeks
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$5.18
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$4.98
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$4.88
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Min.: 490
Mult.: 490
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Air Quality Sensors Industrial CO2 Sens 0 - 10,000 PPM
- T3031-2-10K-24-P
- Amphenol Advanced Sensors
-
10:
$463.60
-
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
|
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Non-Stocked Lead-Time 2 Weeks
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Min.: 10
Mult.: 10
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Air Quality Sensors Industrial CO2 Sens 0 - 2000 PPM
- T3031-2-2K-24-P
- Amphenol Advanced Sensors
-
1:
$463.60
-
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
|
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Non-Stocked Lead-Time 2 Weeks
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Min.: 1
Mult.: 1
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Air Quality Sensors CO2 Mod 0-5000 PPM Calibration ports
- T6613-5KC
- Amphenol Advanced Sensors
-
10:
$111.26
-
Non-Stocked Lead-Time 1 Week
|
Mouser Part No
527-T6613-5KC
|
Amphenol Advanced Sensors
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Air Quality Sensors CO2 Mod 0-5000 PPM Calibration ports
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Non-Stocked Lead-Time 1 Week
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$111.26
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$111.18
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$109.66
|
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$108.98
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View
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Quote
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Min.: 10
Mult.: 10
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Air Quality Sensors CO2 MOD 0-2000 PPM Calibration ports
- T6613-F
- Amphenol Advanced Sensors
-
1:
$120.66
-
Lead-Time 1 Week
|
Mouser Part No
527-T6613-F
|
Amphenol Advanced Sensors
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Air Quality Sensors CO2 MOD 0-2000 PPM Calibration ports
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Lead-Time 1 Week
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$120.66
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$111.87
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$108.60
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$103.94
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View
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$102.00
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$99.54
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Min.: 1
Mult.: 1
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Singapore
