SFM3300-D

Proximal flow sensor for respiratory devices, single-use, 250 slm

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Specification

Gas flow
Full scale flow rate
-250 - 250
-250 - 250 slm
Typical accuracy
±3% m.v.
±3% m.v.
Calibration
AIR and O₂
AIR and O₂
Sensor output
Flow and T
Flow and T
Maximum operating pressure
1.1
1.1 bar
Fluidic connector ports
Medical cone (22 mm)
Medical cone (22 mm)
Generic
Supply voltage
4.75 - 5.5
4.75 - 5.5 V
Max. supply current
10000
10000 uA
Interfaces
I²C
I²C
Size (LxWxH)
69.3 x 25.3 x 22
69.3 x 25.3 x 22 mm³

Downloads

Name Type Date File Size
Datasheet SFM3300

07/2022

File

373.1 KB

Datasheet 07/2022 PDF 373.1 KB
Selection guide gas flow sensors

10/2024

File

617.0 KB

Application note 10/2024 PDF 617.0 KB
Sample code SFM3000

10/2021

File

261.6 KB

Software 10/2021 ZIP 261.6 KB
STEP file SFM3300-D

10/2021

File

2.1 MB

Drawings/CAD 10/2021 STEP 2.1 MB
Product flyer SFM proximal flow sensors

04/2017

File

667.7 KB

Flyer 04/2017 PDF 667.7 KB
Cleaning methods SFM3x00-AW

01/2021

File

188.0 KB

Application note 01/2021 PDF 188.0 KB
Clip-on cap/cable evaluation kit

09/2021

File

483.3 KB

Application note 09/2021 PDF 483.3 KB
High humidity applications

01/2021

File

342.0 KB

Application note 01/2021 PDF 342.0 KB
Reference and flow conversions

09/2021

File

293.7 KB

Application note 09/2021 PDF 293.7 KB
SFM3xxx I²C Functional Description

05/2022

File

306.1 KB

Application note 05/2022 PDF 306.1 KB
SEK-ControlCenter (all devices)

10/2021

Link

-

Software 10/2021 Link -
STEP file SFM cap for AW/D type sensors

10/2021

File

4.6 MB

Drawings/CAD 10/2021 STEP 4.6 MB
REACH and RoHS declaration SFM/SGM

11/2024

File

97.9 KB

Certificate 11/2024 PDF 97.9 KB
Gas flow sensors brochure

01/2024

File

622.9 KB

Flyer 01/2024 PDF 622.9 KB
Mass flow controllers brochure chinese

06/2024

File

633.9 KB

Flyer 06/2024 PDF 633.9 KB

Sensor evaluation

Buy the following products to evaluate this sensor

Name Description Series Category
SEK-SFM3XXX-AW/D EVALUATION KIT
Gas flow sensors evaluation kit SFM3x00-AW-D SEK-SFMxxxx Gas flow sensors

Download the respective viewer software to start measuring

Go to download center

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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.