Comparative of CO2 low voltage sensors
Manufacturer Model (article number) Effective range Accuracy Interface Power supply Average current For battery project Preheat time Response time Minimum lifespan Sensors Price end user (excluded shipping) Product page Datasheet/Manual Shop 1 (end user) Shop 2 (end user)
Amphenol Advanced Sensors T6713 400-2000 ppm ± (25 ppm + 3% reading value) UART, I2C, PWM 4.5-5.5 VDC 20 mA   < 120 s < 180 s (90%) 15 years CO2 48.19 - 70.99 € https://www.amphenol-sensors.com/en/telaire/co2/525-co2-sensor-modules/3399-t6713 https://www.amphenol-sensors.com/en/literature/276-telaire/4-co2/5-t6700/297-telaire-t6713-miniature-co2-sensor-module-datasheet https://www.mouser.es/ProductDetail/Amphenol-Advanced-Sensors/T6713/?qs=N10xTRV9dj26U%252BpBD9TY%2FA%3D%3D https://www.digikey.es/product-detail/en/amphenol-advanced-sensors/T6713/235-1373-ND/5027891
Amphenol Advanced Sensors T6713-5K 400-5000 ppm ± (30 ppm + 3% reading value) UART, I2C, PWM 4.5-5.5 VDC 20 mA   < 120 s < 180 s (90%) 15 years CO2 51.46 - 70.99 € https://www.amphenol-sensors.com/en/telaire/co2/525-co2-sensor-modules/3399-t6713 https://www.amphenol-sensors.com/en/literature/276-telaire/4-co2/5-t6700/297-telaire-t6713-miniature-co2-sensor-module-datasheet https://www.mouser.es/ProductDetail/Amphenol-Advanced-Sensors/T6713-5k/?qs=N10xTRV9dj2DLVnP5YzNbg%3D%3D https://www.digikey.es/product-detail/en/amphenol-advanced-sensors/T6713-5K/235-1374-ND/5027892
Cubic CM1106-C 400-5000 ppm ± (50 ppm + 5% reading value) UART, I2C, PWM 4.5-5.5 VDC < 45 mA     ≤ 30 s 10 years CO2   https://en.gassensor.com.cn/CO2Sensor/info_itemid_86.html https://en.gassensor.com.cn/Product_files/Specifications/CM1106-C%20Single%20Beam%20NDIR%20CO2%20Sensor%20Module%20Specification.pdf    
Cubic CM1106SL-NS 400-5000 ppm ± (50 ppm + 5% reading value) UART 3.5-5.5 VDC 30 uA (2 min.) Yes   120 s 15 years CO2   https://en.gassensor.com.cn/CO2Sensor/info_itemid_930.html https://en.gassensor.com.cn/Product_files/Specifications/CM1106SL-N%20Super%20Low%20Power%20CO2%20Sensor%20Module%20Specification.pdf    
Gas Sensing Solutions COZIR-AH-E-1 400-10000 ppm ± (30 ppm + 3% reading value) UART 3.25-5.5 VDC 15 mA     30 s (90%)   CO2, Humidity, Temperature 73.78 - 100.14 € https://www.gassensing.co.uk/product/cozir-a-co2-sensor/ https://www.gassensing.co.uk/wp-content/uploads/2021/02/CozIR-A-Data-Sheet-Rev-4.4.pdf https://www.digikey.es/product-detail/en/gas-sensing-solutions-ltd/COZIR-AH-E-1/2091-COZIR-AH-E-1-ND/13148756 https://es.rs-online.com/web/p/circuitos-integrados-de-sensores-ambientales/1809025/
Gas Sensing Solutions COZIR-LP-5000 400-5000 ppm ± (30 ppm + 3% reading value) UART 3.25-5.5 VDC 15 mA     30 s (90%) 15 years CO2 63.41 - 86.06 € https://www.gassensing.co.uk/product/cozir-lp-co2-sensor/ https://www.gassensing.co.uk/wp-content/uploads/2020/07/CozIR-LP-Data-Sheet-Rev-4.4.pdf https://www.digikey.es/product-detail/es/gas-sensing-solutions-ltd/COZIR-LP-5000/2091-COZIR-LP-5000-ND/9952877 https://es.rs-online.com/web/p/circuitos-integrados-de-sensores-ambientales/1809024/
Honeywell CRIR M1 (C06-0801-000) 400-2000 ppm ± (40 ppm + 3% reading value) UART 4.5-5.5 VDC 30 mA   180 s ≤ 120 s 10 years CO2 39.48 - 51.34 € https://sps.honeywell.com/us/en/products/sensing-and-iot/sensors/gas-sensors/crir-series https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/gas-sensors/crir-series/documents/sps-siot-carbon-dioxide-crir-m1-sensor-datasheet-000839-ciid-179497.pdf https://www.arrow.com/en/products/c06-0801-000/honeywell  
SenseAir S8 LP (004-0-0053) 400-2000 ppm ± (40 ppm + 3% reading value) UART, PWM 4.5-5.25 VDC 18 mA     < 120 s (90%) 15 years CO2 23.17 - 36.42 € https://senseair.com/products/size-counts/s8-lp/ https://rmtplusstoragesenseair.blob.core.windows.net/docs/publicerat/PSP126.pdf https://es.aliexpress.com/item/4000783293177.html https://www.digikey.es/product-detail/es/senseair-north-america-inc/004-0-0053/2194-004-0-0053-ND/10416532
SenseAir Sunrise (006-0-0002) 400-5000 ppm ± (30 ppm + 3% reading value) UART, I2C 3.05-5.5 VDC 38 uA Yes   16 s 15 years CO2 44.84€ https://senseair.com/products/power-counts/sunrise-hvac/ https://rmtplusstoragesenseair.blob.core.windows.net/docs/Dev/publicerat/PSP4731.pdf https://www.digikey.es/product-detail/es/senseair-north-america-inc/006-0-0002/2194-006-0-0002-ND/10416535 https://www.alibaba.com/product-detail/006-0-0002-industrial-SENSOR-006_1600146627614.html
Sensirion SCD-41 (SEK-SCD41) 400-5000 ppm ± (40 ppm + 5% reading value) I2C 2.4-5.5 VDC 2.8-18 mA     60 s (63%) 10 years CO2, Humidity, Temperature 42.94€ https://www.sensirion.com/en/environmental-sensors/carbon-dioxide-sensors/carbon-dioxide-sensor-scd4x/ https://www.sensirion.com/fileadmin/user_upload/customers/sensirion/Dokumente/9.5_CO2/Sensirion_CO2_Sensors_SCD4x_Datasheet.pdf https://www.mouser.es/ProductDetail/Sensirion/SEK-SCD41-Sensor/?qs=HBWAp0VN4RiEPPmz5KP5eQ%3D%3D  
Sensirion SCD-30 (1-101625-10) 400-10000 ppm ± (30 ppm + 3% reading value) UART, I2C, PWM 3.3-5.5 VDC 19 mA     20 s (63%) 15 years CO2, Humidity, Temperature 30.57 - 44.47 € https://www.sensirion.com/en/environmental-sensors/carbon-dioxide-sensors/carbon-dioxide-sensors-co2/ https://www.sensirion.com/fileadmin/user_upload/customers/sensirion/Dokumente/9.5_CO2/Sensirion_CO2_Sensors_SCD30_Datasheet.pdf https://es.aliexpress.com/item/1005001392172293.html https://www.mouser.es/ProductDetail/Sensirion/SCD30?qs=rrS6PyfT74fdywu4FxpYjQ==
Winsen MH-Z19B 400-5000 ppm ± (50 ppm + 5% reading value) UART, PWM 4.5-5.5 VDC < 20 mA   180 s < 120 s (90%) 5 years CO2 18.61€ https://www.winsen-sensor.com/sensors/co2-sensor/mh-z19b.html https://www.winsen-sensor.com/d/files/infrared-gas-sensor/ndir-co2-sensor/mh-z19b-co2-manual(ver1_6).pdf https://es.aliexpress.com/item/1005001865093513.html  
Winsen MH-Z19C 400-5000 ppm ± (50 ppm + 5% reading value) UART, PWM 4.9-5.1 VDC < 40 mA   60 s < 120 s (90%) 5 years CO2 17.09€ https://www.winsen-sensor.com/sensors/co2-sensor/mh-z19c.html https://www.winsen-sensor.com/d/files/infrared-gas-sensor/mh-z19c-pins-type-co2-manual-ver1_0.pdf https://es.aliexpress.com/item/1005001947070873.html  
ZyAura (Radiant) ZG09 400-10000 ppm ± (50 ppm + 3% reading value) UART, I2C, PWM 4.5-5.5 VDC < 34 mA   30 s 60s   CO2 27.11€ http://www.zyaura.com/products/ZG09.asp http://www.zyaura.com/support/manual/pdf/ZyAura_CO2_Monitor_Carbon_Dioxide_ZG09%20English%20user%20manual_1808.pdf https://es.aliexpress.com/item/4000215863926.html  

Thanks to Josep Comas (Github: @jcomas) for share this information. You can review the last version of this table here

Tags: sensors