Gas sensors Co2 carbon dioxide Sensor
Ensure air quality and safety with our top-quality gas sensors. Discover a wide range of top-quality gas sensors from leading manufacturers like ACI, Belimo, Dwyer, Mamac, and more!
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![Veris CDE CO2 | Duct | Economy | No LCD | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/CDE_971c54aa-45bb-496d-b300-01580fea3224_medium.jpg?v=1706643259)
CDE | CO2 | Duct | Economy | No LCD | Veris
Brand: Veris
SKU: CDE
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![Senva Sensors CO2D-A Duct, CO2, LCD | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/co2d_ad8d3222-9611-4578-9f5f-c46abc7ce3f4_medium.png?v=1708975327)
CO2D-A | Duct, CO2, LCD | Senva Sensors (OBSOLETE)
Brand: Senva Sensors
SKU: CO2D-A
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![Belimo 22DC-51 Duct CO2 Sensor V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PIC_AM_22DC..-5.._woTemp_01_4C-product_retina_8051233c-e3da-4f40-921c-2751c75ec51e_medium.jpg?v=1714682061)
22DC-51 | Duct CO2 Sensor V | Belimo
Brand: Belimo
SKU: 22DC-51
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![Veris CDLSXX CO2 | Duct | LCD | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/CDLSXX_f2e4cf42-b97a-4f91-a95f-25fb21cfca0b_medium.jpg?v=1718808843)
CDLSXX | CO2 | Duct | LCD | Veris
Brand: Veris
SKU: CDLSXX
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![Senva Sensors CT1O-A3D CO2 OUTDOOR LCD NOTEMP | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/Senva_Family_CT1O_7c20c883-9abb-48a3-8755-5c448569405d_medium.jpg?v=1712258627)
CT1O-A3D | CO2 OUTDOOR LCD NOTEMP | Senva Sensors
Brand: Senva Sensors
SKU: CT1O-A3D
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![Veris CWLSXX CO2 | Wall | LCD | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/CWLSXX_medium.jpg?v=1715960154)
CWLSXX | CO2 | Wall | LCD | Veris (OBSOLETE)
Brand: Veris
SKU: CWLSXX
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![Veris CRLSXX CO2 | Remote | LCD | CE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/CRLSXX_medium.jpg?v=1689083825)
CRLSXX | CO2 | Remote | LCD | CE | Veris
Brand: Veris
SKU: CRLSXX
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![ACI TSENSE CO2 Carbon Dioxide Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-tsense_44baddfa-6ae9-40f2-91ad-e9e3eb3865d0_medium.png?v=1718739543)
TSENSE | CO2 Carbon Dioxide Sensor | ACI
Brand: ACI
SKU: TSENSE
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![Senva Sensors CO2O-A Outside Air, CO2, LCD, Heater | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/CT1O_medium.png?v=1711119395)
CO2O-A | Outside Air, CO2, LCD, Heater | Senva Sensors
Brand: Senva Sensors
SKU: CO2O-A
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![Belimo 22DC-53 Duct CO2 Sensor A | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PIC_AM_22DT..-5.._22DC..-5.._01_4C-product_retina_70433a70-5d4f-4f9a-87b0-eb1593d27d67_medium.jpg?v=1714682071)
22DC-53 | Duct CO2 Sensor A | Belimo
Brand: Belimo
SKU: 22DC-53
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![Senva Sensors AQW-ABAAAA1 Analog, CO2 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/Senva_Family_AQW_0a08d46e-5855-4f38-92c4-c9e00b0157d0_medium.png?v=1708975200)
AQW-ABAAAA1 | Analog, CO2 | Senva Sensors (OBSOLETE)
Brand: Senva Sensors
SKU: AQW-ABAAAA1
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![Veris CWVS1XX1 CO2 | Wall | Value | V&mA Out | No Rly | No Tmp | 1Yr | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/CWVS1XX1_acefc758-d8af-4cf7-9314-30c8c2d16aa6_medium.jpg?v=1708998834)
CWVS1XX1 | CO2 | Wall | Value | V&mA Out | No Rly | No Tmp | 1Yr | Veris (OBSOLETE)
Brand: Veris
SKU: CWVS1XX1
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![Veris CDLSHTC CO2 | Duct | LCD | RH | Temp | 1k RTD | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/CDLSHTC_medium.jpg?v=1689083822)
CDLSHTC | CO2 | Duct | LCD | RH | Temp | 1k RTD | Veris
Brand: Veris
SKU: CDLSHTC
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![ACI ESENSE-OUTDOOR CO2 Carbon Dioxide Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-esense-outdoor_medium.png?v=1718739490)
ESENSE-OUTDOOR | CO2 Carbon Dioxide Sensor | ACI
Brand: ACI
SKU: ESENSE-OUTDOOR
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![Belimo 22DTM-5106 Duct CO2+Temp+Hum Sensor LCD V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PIC_AM_22DTM-5106_01_4C-product_retina_9bd7a7e5-eecf-415c-8d01-84c38fedbb04_medium.jpg?v=1714682101)
22DTM-5106 | Duct CO2+Temp+Hum Sensor LCD V | Belimo
Brand: Belimo
SKU: 22DTM-5106
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![Belimo 22DTC-51 Duct CO2+Temp Sensor V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PIC_AM_22DT..-5.._22DC..-5.._01_4C-product_retina_medium.jpg?v=1714682052)
22DTC-51 | Duct CO2+Temp Sensor V | Belimo
Brand: Belimo
SKU: 22DTC-51
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![Senva Sensors AQW-BBAAAA1 BACnet, CO2 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/Senva_Family_AQW_9e15eb02-4733-4e30-b3e3-53625f0ab33a_medium.png?v=1708975340)
AQW-BBAAAA1 | BACnet, CO2 | Senva Sensors (OBSOLETE)
Brand: Senva Sensors
SKU: AQW-BBAAAA1
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![Veris CDLSHTH CO2 | Duct | LCD | RH | Temp | 10k T3 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/CDLSHTH_medium.jpg?v=1689083860)
CDLSHTH | CO2 | Duct | LCD | RH | Temp | 10k T3 | Veris
Brand: Veris
SKU: CDLSHTH
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![Veris AA52B Housing | CW/HW | Cover | LCD | BK | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/AA52B_medium.jpg?v=1689083769)
AA52B | Housing | CW / HW | Cover | LCD | BK | Veris
Brand: Veris
SKU: AA52B
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![Belimo 22DTM-51 Duct CO2+Temp+Hum Sensor V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PIC_AM_22DT..-5.._22DC..-5.._01_4C-product_retina_5da3a80f-02b3-4a12-b405-1b00d38dd263_medium.jpg?v=1714682067)
22DTM-51 | Duct CO2+Temp+Hum Sensor V | Belimo
Brand: Belimo
SKU: 22DTM-51
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![Belimo 22DTM-1106 Duct CO2+Temp+Hum Sensor V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PIC_EU_22DTM-1106_01_4C-product_retina_89271f3b-d4b6-4328-a177-e20e3d762aa8_medium.jpg?v=1714682053)
22DTM-1106 | Duct CO2+Temp+Hum Sensor V | Belimo
Brand: Belimo
SKU: 22DTM-1106
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![Senva Sensors CO2D-VAL-H Duct, CO2, 3k Thermistor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/co2d_394ca0ec-6bcc-4809-b1a3-75b74f18bb7a_medium.png?v=1708975237)
CO2D-VAL-H | Duct, CO2, 3k Thermistor | Senva Sensors (OBSOLETE)
Brand: Senva Sensors
SKU: CO2D-VAL-H
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![Senva Sensors CO2D-VAL-A Duct, CO2 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/co2d_20dea183-6fe1-4817-b4fd-cfd4ecba1a8d_medium.png?v=1708975285)
CO2D-VAL-A | Duct, CO2 | Senva Sensors (OBSOLETE)
Brand: Senva Sensors
SKU: CO2D-VAL-A
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![Veris CWVS11X1 CO2 | Wall | Value | V&mA Out | 1 Rly | 1Yr Warranty | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/CWVS11X1_19ced966-e774-48af-b592-c23fa5156abf_medium.jpg?v=1708998794)
CWVS11X1 | CO2 | Wall | Value | V&mA Out | 1 Rly | 1Yr Warranty | Veris (OBSOLETE)
Brand: Veris
SKU: CWVS11X1
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