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Back to catalog
New

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, CO2 outputs

- On-board algorithms

 

Includes:

- 1x SEN66

- 1x adapter cable

- 1x jumper wire set

- 1x adapter cable Qwiic

 

1x SEK-SensorBridge required

See inventoryDistributor listContact sales

Downloads

Drivers for SEN65
  • 09/2025•
  • Link•
Drivers and Sample Code09/2025Link
Drivers for SEN66
  • 02/2025•
  • Link•
Drivers and Sample Code02/2025Link
Compliance of Sensirion’s VOC Sensors with RESET and WELL
  • 04/2023•
  • PDF•
  • 748.3 KB
Application note04/2023PDF748.3 KB
How can I integrate Sensirion’s VOC and NOx sensors into my air purifier?
  • 04/2022•
  • PDF•
  • 249.8 KB
Application note04/2022PDF249.8 KB
Is it possible to map the output of a MOX sensor to a norm?
  • 04/2022•
  • PDF•
  • 258.0 KB
Application note04/2022PDF258.0 KB
What are oxidizing gases?
  • 04/2022•
  • PDF•
  • 214.8 KB
Application note04/2022PDF214.8 KB
What are reducing gases?
  • 04/2022•
  • PDF•
  • 332.0 KB
Application note04/2022PDF332.0 KB
What is a metal oxide (MOX) sensor?
  • 04/2022•
  • PDF•
  • 288.2 KB
Application note04/2022PDF288.2 KB
What is Sensirion’s NOx Index?
  • 04/2022•
  • PDF•
  • 341.2 KB
Application note04/2022PDF341.2 KB
What is Sensirion’s VOC Index?
  • 04/2022•
  • PDF•
  • 300.4 KB
Application note04/2022PDF300.4 KB
Datasheet SEN6x
  • 12/2025•
  • PDF•
  • 1.4 MB
Datasheet12/2025PDF1.4 MB
SEN6x – Mechanical design and assembly guidelines
  • 01/2026•
  • PDF•
  • 736.4 KB
Application note01/2026PDF736.4 KB
Limits of PM2.5 Optical Sensors
  • 01/2026•
  • PDF•
  • 537.8 KB
Guide01/2026PDF537.8 KB
SEN6x Handling instructions
  • 01/2026•
  • PDF•
  • 311.8 KB
Guide01/2026PDF311.8 KB
SEN6x Integrated heater in high- humidity environments
  • 01/2026•
  • PDF•
  • 301.3 KB
Guide01/2026PDF301.3 KB
SEN6x Sensor specification statement
  • 01/2026•
  • PDF•
  • 654.7 KB
Guide01/2026PDF654.7 KB
SEN6x Temperature acceleration and compensation instructions
  • 01/2026•
  • PDF•
  • 1.6 MB
Guide01/2026PDF1.6 MB
SEK-ControlCenter (all devices)
  • Link•
SoftwareLink
Example retainer sealing foam SEN6x
  • 05/2025•
  • STEP•
  • 52.0 KB
Drawings/CAD05/2025STEP52.0 KB
Example retainer SEN6x
  • 05/2025•
  • STEP•
  • 321.4 KB
Drawings/CAD05/2025STEP321.4 KB
STEP file SEN6x
  • 09/2025•
  • STEP•
  • 4.2 MB
Drawings/CAD09/2025STEP4.2 MB
REACH and RoHS declaration Partciulate Matter
  • 04/2026•
  • PDF•
  • 145.6 KB
Certificate04/2026PDF145.6 KB
Indoor air quality brochure
  • 11/2025•
  • PDF•
  • 7.0 MB
Flyer11/2025PDF7.0 MB
Particulate Matter and Environmental Node Flyer
  • 10/2025•
  • PDF•
  • 14.8 MB
Flyer10/2025PDF14.8 MB
Particulate Matter and Environmental Node Flyer Chinese
  • 01/2026•
  • PDF•
  • 891.5 KB
Flyer01/2026PDF891.5 KB
Particulate Matter and Environmental Node Flyer Japanese
  • 04/2026•
  • PDF•
  • 4.4 MB
Flyer04/2026PDF4.4 MB

Compatible products

SEN62Sensing platform for PM and RH/T measurementsSEN6xParticulate matter sensors
SEN65Sensing platform for PM, RH/T, VOC and NOx measurementsSEN6xParticulate matter sensors
SEN66Sensing platform for PM, RH/T, VOC, NOx and CO2 measurementsSEN6xParticulate 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

SEK-SEN66

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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.

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  • SEK-SEN66

Latest Particulate matter sensors

Explore
Sensing platform for PM and RH/T measurements
Active

SEN62

Sensing platform for PM and RH/T measurements

  • Particulate matter sensors
Evaluation kit SEN69C
Upcoming

SEK-SEN69C

Evaluation kit SEN69C

  • Particulate matter sensors
Sensing platform for PM, RH/T, VOC, NOx, CO2 and HCHO measurements
Upcoming

SEN69C

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

  • Particulate matter sensors
Evaluation kit SEN62, SEN63C
New

SEK-SEN63C

Evaluation kit SEN62, SEN63C

  • Particulate matter sensors
Sensing platform for PM, RH/T and CO2 measurements
New

SEN63C

Sensing platform for PM, RH/T and CO2 measurements

  • Particulate matter sensors
Sensing platform for PM, RH/T, VOC, NOx and HCHO measurements
Upcoming

SEN68

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

  • Particulate matter sensors
Sensing platform for PM, RH/T, VOC, NOx and CO2 measurements
New

SEN66

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

  • Particulate matter sensors

Global Distributors

Part numberQuantityDistributor nameCountryUploaded
SEK-SEN66238DigiKeyHK, US, DE17.06.2026Buy
SEK-SEN66166Mouser Electronics Inc.27 countries17.06.2026Buy
SEK-SEN666Farnell, An Avnet Company10 countries17.06.2026Buy

EMEA (Europe)

Part numberQuantityDistributor nameCountryUploaded
SEK-SEN6615SOS electronic s.r.o.HU, CZ, PL, SK, DE16.06.2026Buy
SEK-SEN666Anglia Components PlcGB17.06.2026Buy
SEK-SEN665Glyn GmbH & Co. KgDE17.06.2026Buy

APAC (Asia)

Part numberQuantityDistributor nameCountryUploaded
SEK-SEN666element14SG16.06.2026Buy

The Americas

Part numberQuantityDistributor nameCountryUploaded
SEK-SEN6619Arrow ElectronicsUS17.06.2026Buy
SEK-SEN668Future ElectronicsCA16.06.2026Buy
SEK-SEN664Newark, An Avnet CompanyUS16.06.2026Buy
SEK-SEN663BMF System Parts BVNL06.05.2026Buy
SEK-SEN661Arrow Electronics (UK) Ltd.6 countries17.06.2026Buy