SGP41

VOC and NOx sensor for indoor air quality applications

Specification

VOC
Sensor output
Digital 16-bit raw signal
Digital 16-bit raw signal
Processed output
0-500 VOC Index
0-500 VOC Index
Measurement range
0 - 1000
0 - 1000 ppm
Response time (τ63%)
< 10
< 10 s
Device-to-device var.
±15
±15 % m.v.
Limit of detection
< 0.05 ppm of ethanol equivalents or < 10 % of concentration setpoint, whichever is larger
< 0.05 ppm of ethanol equivalents or < 10 % of concentration setpoint, whichever is larger
Switch-on time
1
1 h
On-chip humidity compensation
Yes
Yes
Generic
Supply voltage
1.7 - 3.6
1.7 - 3.6 V
Average supply current
3000
3000 uA
Max. supply current
3400
3400 uA
Interfaces
I²C
I²C
Size (LxWxH)
2.44 x 2.44 x 0.85
2.44 x 2.44 x 0.85 mm³

Downloads

Name Type Date File Size
Datasheet SGP41

12/2021

File

-

Datasheet 12/2021 File -
Compliance of Sensirion’s VOC Sensors with RESET and WELL

04/2023

File

748.3 KB

Application note 04/2023 PDF 748.3 KB
Quick testing guide SGP41

11/2021

File

483.5 KB

Guide 11/2021 PDF 483.5 KB
Arduino driver SGP41

04/2022

Link

-

Software 04/2022 Link -
Embedded drivers SGP41

11/2021

Link

-

Software 11/2021 Link -
Gas index algorithm

12/2021

Link

-

Software 12/2021 Link -
Raspberry Pi drivers SGP41

11/2021

Link

-

Software 11/2021 Link -
How can air quality at home be improved?

04/2022

File

260.1 KB

Application note 04/2022 PDF 260.1 KB
How can I integrate Sensirion’s VOC and NOx sensors into my air purifier?

04/2022

File

249.8 KB

Application note 04/2022 PDF 249.8 KB
How can I make my air purifier smart/efficient?

04/2022

File

215.4 KB

Application note 04/2022 PDF 215.4 KB
Is it possible to map the output of a MOX sensor to a norm?

04/2022

File

258.0 KB

Application note 04/2022 PDF 258.0 KB
What are oxidizing gases?

04/2022

File

214.8 KB

Application note 04/2022 PDF 214.8 KB
What are reducing gases?

04/2022

File

332.0 KB

Application note 04/2022 PDF 332.0 KB
What is a metal oxide (MOX) sensor?

04/2022

File

288.2 KB

Application note 04/2022 PDF 288.2 KB
What is Sensirion’s NOx Index?

04/2022

File

341.2 KB

Application note 04/2022 PDF 341.2 KB
What is Sensirion’s VOC Index?

04/2022

File

300.4 KB

Application note 04/2022 PDF 300.4 KB
Design-in guide SGP4x

08/2020

File

304.4 KB

Guide 08/2020 PDF 304.4 KB
Testing guide SGP4x

03/2021

File

507.9 KB

Guide 03/2021 PDF 507.9 KB
SEK-ControlCenter (all devices)

10/2021

Link

-

Software 10/2021 Link -
STEP file SGP40

10/2021

File

1.3 MB

Drawings/CAD 10/2021 STEP 1.3 MB
REACH and RoHS declaration SGP

02/2024

File

102.5 KB

Certificate 02/2024 PDF 102.5 KB
Flyer SGP4x Chinese

02/2024

File

1005.8 KB

Flyer 02/2024 PDF 1005.8 KB
Gas sensors brochure

07/2021

File

996.5 KB

Flyer 07/2021 PDF 996.5 KB
Indoor air quality brochure

10/2021

Link

7.7 MB

Flyer 10/2021 Link 7.7 MB
SGP4x evaluation kit

10/2020

File

1.7 MB

Flyer 10/2020 PDF 1.7 MB

Sensor evaluation

Buy the following products to evaluate this sensor

Name Description Series Category
SEK-SVM4x
Evaluation kit SEK-SVM4x for SGP40/SGP41 SEK-SVMxx VOC

Download the respective viewer software to start measuring

Go to download center

Start testing our sensors fast and easy with the evaluation kits

How to get started

Latest VOC sensors

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SEK-SVM4x

Evaluation kit SEK-SVM4x for SGP40/SGP41

  • Evaluation kit
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SGP40

VOC sensor for indoor air quality applications

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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.