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CO₂
SEK-SCDxx

SEK-SCD41

Evaluation kit for SCD4x series CO2 sensors

The SEK-SCD41, with a SCD41 integrated on a development board, enables fast testing of the SCD4x product family for different applications.

Includes:

1x SCD41 development board
1x adapter cable
1x jumper wire set

1x SEK-SensorBridge required

See inventory Distributor list Contact sales

Downloads

Datasheet SCD4x 04/2025 File 1.2 MB	Datasheet	04/2025	PDF	1.2 MB
Low power operation SCD4x 07/2022 File 443.0 KB	Application note	07/2022	PDF	443.0 KB
Technical description SEK-SCD41 01/2021 File 791.3 KB	Application note	01/2021	PDF	791.3 KB
Design-in guide SCD4x 01/2021 File 478.2 KB	Guide	01/2021	PDF	478.2 KB
Handling instructions SCD4x 02/2025 File 360.3 KB	Guide	02/2025	PDF	360.3 KB
Testing guide SCD4x File 2.0 MB	Guide		PDF	2.0 MB
Arduino driver SCD4x Link	Software		Link
Arduino snippets SCD4x Link	Software		Link
BLE gadget SCD4x Link	Software		Link
Embedded driver SCD4x Link	Software		Link
Makecode for micro:bit SCD4x Link	Software		Link
Python driver SCD4x Link	Software		Link
Raspberry Pi driver SCD4x Link	Software		Link
Altium footprint SCD4x Link	Drawings/CAD		Link
STEP file SCD4x File 632.1 KB	Drawings/CAD		STEP	632.1 KB
STEP file SEK-SCD41 File 770.9 KB	Drawings/CAD		STEP	770.9 KB
Calibration certification SCD4x 05/2022 File 118.0 KB	Certificate	05/2022	PDF	118.0 KB
Carbon Dioxide product flyer 08/2025 File 888.7 KB	Flyer	08/2025	PDF	888.7 KB
Carbon Dioxide product flyer Chinese 07/2025 File 960.9 KB	Flyer	07/2025	PDF	960.9 KB
SEK-ControlCenter (all devices) Link	Software		Link
Carbon dioxide product flyer Japanese 09/2025 File 1.2 MB	Flyer	09/2025	PDF	1.2 MB

Compatible products

SCD40	Compact & cost-effective photoacoustic NDIR CO₂ sensor	SCD4x	CO₂
SCD41	Improved CO₂ accuracy with extended measurement range and single-shot mode	SCD4x	CO₂
SCD42	CO₂ accuracy of ± 75 ppm @400-1000 ppm	SCD4x	CO₂

SCD40

Compact & cost-effective photoacoustic NDIR CO₂ sensor

SCD4x

CO₂

SCD41

Improved CO₂ accuracy with extended measurement range and single-shot mode

SCD4x

CO₂

SCD42

CO₂ accuracy of ± 75 ppm @400-1000 ppm

SCD4x

CO₂

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.