Megatrends
Applications
Products
Career
Company

Directly to

Product catalog
Support
Technical downloads
Newsroom
Work at Sensirion

Sensirion

Developers platform
Sensirion Automotive Solutions
Sensirion Connected Solutions
Qmicro by Sensirion

Contact us

General Request
Commercial Support Request
Technical Support Request
Newsletter Registration

Legal notice© Sensirion AG

Back to catalog

New

SEK-SCD43

All products
•CO₂ sensors
•SCD4x

Evaluation kit for SCD43 CO2 sensors

Specifications:

The SEK-SCD43, with a SCD43 integrated on a development board, enables fast testing of the SCD43 for different applications.

Includes:

- 1x SCD43 development board

- 1x adapter cable

- 1x jumper wire set

1x SEK-SensorBridge required

See inventory Contact sales

Downloads

Datasheet SCD4x 04/2025• PDF• 1.2 MB	DatasheetDownload Datasheet SCD4x	04/2025Download Datasheet SCD4x	PDFDownload Datasheet SCD4x	1.2 MBDownload Datasheet SCD4x
Low power operation SCD4x 07/2022• PDF• 443.0 KB	Application noteDownload Low power operation SCD4x	07/2022Download Low power operation SCD4x	PDFDownload Low power operation SCD4x	443.0 KBDownload Low power operation SCD4x
What types of NDIR sensors exist and how do they work? 05/2022• PDF• 146.5 KB	Application noteDownload What types of NDIR sensors exist and how do they work?	05/2022Download What types of NDIR sensors exist and how do they work?	PDFDownload What types of NDIR sensors exist and how do they work?	146.5 KBDownload What types of NDIR sensors exist and how do they work?
What types of NDIR sensors exist and how do they work? (Japanese) 10/2023• PDF• 277.2 KB	Application noteDownload What types of NDIR sensors exist and how do they work? (Japanese)	10/2023Download What types of NDIR sensors exist and how do they work? (Japanese)	PDFDownload What types of NDIR sensors exist and how do they work? (Japanese)	277.2 KBDownload What types of NDIR sensors exist and how do they work? (Japanese)
REACH and RoHS declaration SCDxx, STCC4 and CO2 Gadget 04/2026• PDF• 100.9 KB	CertificateDownload REACH and RoHS declaration SCDxx, STCC4 and CO2 Gadget	04/2026Download REACH and RoHS declaration SCDxx, STCC4 and CO2 Gadget	PDFDownload REACH and RoHS declaration SCDxx, STCC4 and CO2 Gadget	100.9 KBDownload REACH and RoHS declaration SCDxx, STCC4 and CO2 Gadget
Carbon Dioxide product flyer 03/2026• PDF• 2.2 MB	FlyerDownload Carbon Dioxide product flyer	03/2026Download Carbon Dioxide product flyer	PDFDownload Carbon Dioxide product flyer	2.2 MBDownload Carbon Dioxide product flyer
Carbon Dioxide product flyer Chinese 03/2026• PDF• 1.3 MB	FlyerDownload Carbon Dioxide product flyer Chinese	03/2026Download Carbon Dioxide product flyer Chinese	PDFDownload Carbon Dioxide product flyer Chinese	1.3 MBDownload Carbon Dioxide product flyer Chinese
Carbon dioxide product flyer Japanese 07/2026• PDF• 1.4 MB	FlyerDownload Carbon dioxide product flyer Japanese	07/2026Download Carbon dioxide product flyer Japanese	PDFDownload Carbon dioxide product flyer Japanese	1.4 MBDownload Carbon dioxide product flyer Japanese
Indoor air quality brochure 11/2025• PDF• 7.0 MB	FlyerDownload Indoor air quality brochure	11/2025Download Indoor air quality brochure	PDFDownload Indoor air quality brochure	7.0 MBDownload Indoor air quality brochure

Compatible products

SCD43

High CO₂ accuracy with comprehensive building standard compatibility

SCD4x

CO₂ sensors

SCD43

High CO₂ accuracy with comprehensive building standard compatibility

SCD4x

CO₂ sensors

Home
Products
Product catalog
SEK-SCD43

Smart sensors for your application

Sensirion's sensor solutions are used in a wide range of applications and markets. Our reliable environmental and flow sensors improve energy efficiency, increase health and ensure safety and comfort.