SFM3019

Digital flow sensor for high-volume respiratory devices, 240 slm

Specification

Gas flow
Full scale flow rate
-10 - 240
-10 - 240 slm
Typical accuracy
±2% m.v.
±2% m.v.
Calibration
Air, O₂ and mixtures thereof
Air, O₂ and mixtures thereof
Sensor output
Flow and T
Flow and T
Maximum operating pressure
1.3
1.3 bar
Fluidic connector ports
Medical cone (22 mm)
Medical cone (22 mm)
Generic
Supply voltage
2.7 - 5.5
2.7 - 5.5 V
Average supply current
3800
3800 uA
Max. supply current
5500
5500 uA
Interfaces
I²C
I²C
Size (LxWxH)
82 x 35 x 32
82 x 35 x 32 mm³

Downloads

Name Type Date File Size
Datasheet SFM3019

08/2024

File

766.7 KB

Datasheet 08/2024 PDF 766.7 KB
Sample code SFM3xxx

02/2022

Link

-

Software 02/2022 Link -
Sample code SFM3xxx 0.1.3

02/2022

Link

-

Software 02/2022 Link -
Sample code SFM3xxx sensorbridge

02/2022

Link

-

Software 02/2022 Link -
STEP file SFM3003, SFM3019, SFM3020

10/2021

File

3.7 MB

Drawings/CAD 10/2021 STEP 3.7 MB
Handling instructions SFM3xxx

01/2021

File

141.7 KB

Application note 01/2021 PDF 141.7 KB
Reference and flow conversions

09/2021

File

293.7 KB

Application note 09/2021 PDF 293.7 KB
Reference and flow conversions calculator

10/2021

File

30.3 KB

Application note 10/2021 XLSX 30.3 KB
Selection guide gas flow sensors

10/2024

File

617.0 KB

Application note 10/2024 PDF 617.0 KB
Engineering guide SFM

01/2021

File

592.1 KB

Guide 01/2021 PDF 592.1 KB
SEK-ControlCenter (all devices)

10/2021

Link

-

Software 10/2021 Link -
Calibration certification gas flow sensors

01/2023

File

169.8 KB

Certificate 01/2023 PDF 169.8 KB
REACH and RoHS declaration SFM/SGM

07/2024

File

98.0 KB

Certificate 07/2024 PDF 98.0 KB
Mass flow controllers brochure chinese

06/2024

File

633.9 KB

Flyer 06/2024 PDF 633.9 KB
Overview of Sensirion gas flow meters

01/2024

File

1013.9 KB

Flyer 01/2024 PDF 1013.9 KB

Sensor evaluation

Buy the following products to evaluate this sensor

Name Description Series Category
SEK-SensorBridge
Connecting bridge with two sensor ports SEK-SensorBridge
SEK-SFM3019
Gas flow sensors evaluation kit SFM3019 SEK-SFMxxxx Gas flow sensors

Download the respective viewer software to start measuring

Go to download center

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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.