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SEK-SEN66

All products
•Particulate matter sensors
•SEK-SEN6x

Evaluation kit SEN62, SEN65, SEN66

Specifications:

- All-in-one air quality sensor module

- RH/T, PM (1, 2.5, 4, 10), VOC and NOx, CO₂outputs

- On-board algorithms

Includes:

- 1x SEN66

- 1x adapter cable

- 1x jumper wire set

- 1x adapter cable Qwiic

1x SEK-SensorBridge required

See inventory Distributor list Contact sales

Downloads

Drivers for SEN65 09/2025• Link•	Drivers and Sample CodeDownload Drivers for SEN65	09/2025Download Drivers for SEN65	LinkDownload Drivers for SEN65	Download Drivers for SEN65
Drivers for SEN66 02/2025• Link•	Drivers and Sample CodeDownload Drivers for SEN66	02/2025Download Drivers for SEN66	LinkDownload Drivers for SEN66	Download Drivers for SEN66
Compliance of Sensirion’s VOC Sensors with RESET and WELL 04/2023• PDF• 748.3 KB	Application noteDownload Compliance of Sensirion’s VOC Sensors with RESET and WELL	04/2023Download Compliance of Sensirion’s VOC Sensors with RESET and WELL	PDFDownload Compliance of Sensirion’s VOC Sensors with RESET and WELL	748.3 KBDownload Compliance of Sensirion’s VOC Sensors with RESET and WELL
How can I integrate Sensirion’s VOC and NOx sensors into my air purifier? 04/2022• PDF• 249.8 KB	Application noteDownload How can I integrate Sensirion’s VOC and NOx sensors into my air purifier?	04/2022Download How can I integrate Sensirion’s VOC and NOx sensors into my air purifier?	PDFDownload How can I integrate Sensirion’s VOC and NOx sensors into my air purifier?	249.8 KBDownload How can I integrate Sensirion’s VOC and NOx sensors into my air purifier?
Is it possible to map the output of a MOX sensor to a norm? 04/2022• PDF• 258.0 KB	Application noteDownload Is it possible to map the output of a MOX sensor to a norm?	04/2022Download Is it possible to map the output of a MOX sensor to a norm?	PDFDownload Is it possible to map the output of a MOX sensor to a norm?	258.0 KBDownload Is it possible to map the output of a MOX sensor to a norm?
What are oxidizing gases? 04/2022• PDF• 214.8 KB	Application noteDownload What are oxidizing gases?	04/2022Download What are oxidizing gases?	PDFDownload What are oxidizing gases?	214.8 KBDownload What are oxidizing gases?
What are reducing gases? 04/2022• PDF• 332.0 KB	Application noteDownload What are reducing gases?	04/2022Download What are reducing gases?	PDFDownload What are reducing gases?	332.0 KBDownload What are reducing gases?
What is a metal oxide (MOX) sensor? 04/2022• PDF• 288.2 KB	Application noteDownload What is a metal oxide (MOX) sensor?	04/2022Download What is a metal oxide (MOX) sensor?	PDFDownload What is a metal oxide (MOX) sensor?	288.2 KBDownload What is a metal oxide (MOX) sensor?
What is Sensirion’s NOx Index? 04/2022• PDF• 341.2 KB	Application noteDownload What is Sensirion’s NOx Index?	04/2022Download What is Sensirion’s NOx Index?	PDFDownload What is Sensirion’s NOx Index?	341.2 KBDownload What is Sensirion’s NOx Index?
What is Sensirion’s VOC Index? 04/2022• PDF• 300.4 KB	Application noteDownload What is Sensirion’s VOC Index?	04/2022Download What is Sensirion’s VOC Index?	PDFDownload What is Sensirion’s VOC Index?	300.4 KBDownload What is Sensirion’s VOC Index?
Mechanical Design and Assembly Guidelines 08/2026• PDF• 1013.2 KB	GuideDownload Mechanical Design and Assembly Guidelines	08/2026Download Mechanical Design and Assembly Guidelines	PDFDownload Mechanical Design and Assembly Guidelines	1013.2 KBDownload Mechanical Design and Assembly Guidelines
Datasheet SEN6x 12/2025• PDF• 1.4 MB	DatasheetDownload Datasheet SEN6x	12/2025Download Datasheet SEN6x	PDFDownload Datasheet SEN6x	1.4 MBDownload Datasheet SEN6x
Limits of PM2.5 Optical Sensors 01/2026• PDF• 537.8 KB	GuideDownload Limits of PM2.5 Optical Sensors	01/2026Download Limits of PM2.5 Optical Sensors	PDFDownload Limits of PM2.5 Optical Sensors	537.8 KBDownload Limits of PM2.5 Optical Sensors
PS_AN_SEN6x_Testing_And_Evaluation_Guide_D1 PDF• 273.5 KB	GuideDownload PS_AN_SEN6x_Testing_And_Evaluation_Guide_D1	Download PS_AN_SEN6x_Testing_And_Evaluation_Guide_D1	PDFDownload PS_AN_SEN6x_Testing_And_Evaluation_Guide_D1	273.5 KBDownload PS_AN_SEN6x_Testing_And_Evaluation_Guide_D1
SEN6x Handling instructions 01/2026• PDF• 241.9 KB	GuideDownload SEN6x Handling instructions	01/2026Download SEN6x Handling instructions	PDFDownload SEN6x Handling instructions	241.9 KBDownload SEN6x Handling instructions
SEN6x Integrated heater in high- humidity environments 01/2026• PDF• 301.3 KB	GuideDownload SEN6x Integrated heater in high- humidity environments	01/2026Download SEN6x Integrated heater in high- humidity environments	PDFDownload SEN6x Integrated heater in high- humidity environments	301.3 KBDownload SEN6x Integrated heater in high- humidity environments
SEN6x Sensor specification statement 01/2026• PDF• 654.7 KB	GuideDownload SEN6x Sensor specification statement	01/2026Download SEN6x Sensor specification statement	PDFDownload SEN6x Sensor specification statement	654.7 KBDownload SEN6x Sensor specification statement
SEN6x Temperature acceleration and compensation instructions 01/2026• PDF• 1.6 MB	GuideDownload SEN6x Temperature acceleration and compensation instructions	01/2026Download SEN6x Temperature acceleration and compensation instructions	PDFDownload SEN6x Temperature acceleration and compensation instructions	1.6 MBDownload SEN6x Temperature acceleration and compensation instructions
SEK-ControlCenter (all devices) Link•	SoftwareDownload SEK-ControlCenter (all devices)	Download SEK-ControlCenter (all devices)	LinkDownload SEK-ControlCenter (all devices)	Download SEK-ControlCenter (all devices)
Example retainer sealing foam SEN6x 05/2025• STEP• 52.0 KB	Drawings/CADDownload Example retainer sealing foam SEN6x	05/2025Download Example retainer sealing foam SEN6x	STEPDownload Example retainer sealing foam SEN6x	52.0 KBDownload Example retainer sealing foam SEN6x
Example retainer SEN6x 05/2025• STEP• 321.4 KB	Drawings/CADDownload Example retainer SEN6x	05/2025Download Example retainer SEN6x	STEPDownload Example retainer SEN6x	321.4 KBDownload Example retainer SEN6x
STEP file SEN6x 09/2025• STEP• 4.2 MB	Drawings/CADDownload STEP file SEN6x	09/2025Download STEP file SEN6x	STEPDownload STEP file SEN6x	4.2 MBDownload STEP file SEN6x
REACH and RoHS declaration Partciulate Matter 04/2026• PDF• 145.6 KB	CertificateDownload REACH and RoHS declaration Partciulate Matter	04/2026Download REACH and RoHS declaration Partciulate Matter	PDFDownload REACH and RoHS declaration Partciulate Matter	145.6 KBDownload REACH and RoHS declaration Partciulate Matter
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
Particulate Matter and Environmental Node Flyer 10/2025• PDF• 14.8 MB	FlyerDownload Particulate Matter and Environmental Node Flyer	10/2025Download Particulate Matter and Environmental Node Flyer	PDFDownload Particulate Matter and Environmental Node Flyer	14.8 MBDownload Particulate Matter and Environmental Node Flyer
Particulate Matter and Environmental Node Flyer Chinese 01/2026• PDF• 891.5 KB	FlyerDownload Particulate Matter and Environmental Node Flyer Chinese	01/2026Download Particulate Matter and Environmental Node Flyer Chinese	PDFDownload Particulate Matter and Environmental Node Flyer Chinese	891.5 KBDownload Particulate Matter and Environmental Node Flyer Chinese
Particulate Matter and Environmental Node Flyer Japanese 04/2026• PDF• 4.4 MB	FlyerDownload Particulate Matter and Environmental Node Flyer Japanese	04/2026Download Particulate Matter and Environmental Node Flyer Japanese	PDFDownload Particulate Matter and Environmental Node Flyer Japanese	4.4 MBDownload Particulate Matter and Environmental Node Flyer Japanese

Compatible products

SEN62	Sensing platform for PM and RH/T measurements	SEN6x	Particulate matter sensors
SEN65	Sensing platform for PM, RH/T, VOC and NOx measurements	SEN6x	Particulate matter sensors
SEN66	Sensing platform for PM, RH/T, VOC, NOx and CO2 measurements	SEN6x	Particulate matter sensors

SEN62

Sensing platform for PM and RH/T measurements

SEN6x

Particulate matter sensors

SEN65

Sensing platform for PM, RH/T, VOC and NOx measurements

SEN6x

Particulate matter sensors

SEN66

Sensing platform for PM, RH/T, VOC, NOx and CO2 measurements

SEN6x

Particulate matter sensors

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SEK-SEN66

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.