SFA30

Formaldehyde sensor with ultra low cross-sensitivity to ethanol

Specification

Formaldehyde
Measurement range
0 - 1000
0 - 1000 ppb
Accuracy
±20 ppb or ±20% m.v.
±20 ppb or ±20% m.v.
Sensor output
Formaldehyde concentration in ppb, RH, T
Formaldehyde concentration in ppb, RH, T
Cross sensitivity to ethanol
< 0.5
< 0.5 %
Limit of detection
< 20
< 20 ppb
Lifetime
> 6
> 6 years
Humidity
Typ. relative humidity accuracy
2.5
2.5 %RH
Operating relative humidity range
10 - 90
10 - 90 %RH
Generic
Supply voltage
3.15 - 5.5
3.15 - 5.5 V
Average supply current
1000
1000 uA
Max. supply current
5000
5000 uA
Interfaces
I²C, UART
I²C,UART
Size (LxWxH)
46 x 24 x 5.5
46 x 24 x 5.5 mm³
Temperature
Typ. temperature accuracy
0.2
0.2 °C
Operating temperature range [°C]
0 - 40
0 - 40 °C

Downloads

Name Type Date File Size
Datasheet SFA30

01/2023

File

455.4 KB

Datasheet 01/2023 PDF 455.4 KB
Laboratory testing guide SFA30

03/2024

File

327.0 KB

Application note 03/2024 PDF 327.0 KB
Arduino snippets SFA30

11/2021

Link

-

Software 11/2021 Link -
Makecode SFA30

11/2021

Link

-

Software 11/2021 Link -
Flyer SFA30 Chinese

02/2024

File

1.9 MB

Flyer 02/2024 PDF 1.9 MB
Formaldehyde product flyer

10/2024

File

441.3 KB

Flyer 10/2024 PDF 441.3 KB
Description I²C SFA30

01/2021

File

269.0 KB

Application note 01/2021 PDF 269.0 KB
Handling and assembly instructions SFA30

04/2021

File

384.4 KB

Application note 04/2021 PDF 384.4 KB
Design-in guide SFA30

11/2020

File

807.4 KB

Guide 11/2020 PDF 807.4 KB
Arduino driver I2C SFA3x

10/2021

Link

-

Software 10/2021 Link -
Arduino driver UART SFA3x

10/2021

Link

-

Software 10/2021 Link -
BLE gadget SFA30

10/2021

Link

-

Software 10/2021 Link -
Embedded drivers SFA3x

10/2021

Link

-

Software 10/2021 Link -
Raspberry Pi drivers I2C SFA3x

10/2021

Link

-

Software 10/2021 Link -
Raspberry Pi drivers UART SFA3x

10/2021

Link

-

Software 10/2021 Link -
SEK-ControlCenter (all devices)

10/2021

Link

-

Software 10/2021 Link -
STEP file SFA30

10/2021

File

5.9 MB

Drawings/CAD 10/2021 STEP 5.9 MB
REACH and RoHS declaration SFA3x

07/2024

File

104.4 KB

Certificate 07/2024 PDF 104.4 KB
Indoor air quality brochure

10/2021

Link

7.7 MB

Flyer 10/2021 Link 7.7 MB

Sensor evaluation

Buy the following products to evaluate this sensor

Name Description Series Category
SEK-SFA30
Formaldehyde evaluation kit SFA30 SEK-SFAxx Formaldehyde

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 Formaldehyde sensors

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SEK-SFA30

Formaldehyde evaluation kit SFA30

  • Evaluation kit
  • Formaldehyde

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.