SFA30

Formaldehyde sensor with ultra low cross-sensitivity to ethanol

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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
Operating temperature range [°C]
0 - 40
0 - 40 °C
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

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

11/2024

File

104.3 KB

Certificate 11/2024 PDF 104.3 KB
Indoor air quality brochure

11/2024

Link

7.7 MB

Flyer 11/2024 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

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