SFM3003-300-CET

Available in distribution Q2/2022

Versatile digital flow and temperature sensor, -150 to +300 slm

Specification

Gas flow
Full scale flow rate
-150 - 300
-150 - 300 slm
Typical accuracy
±2.5% m.v.
±2.5% m.v.
Calibration
Air and O₂ and mixtures of air/O₂
Air and O₂ and mixtures of air/O₂
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
3.8
3.8 uA
Max. supply current
5.5
5.5 uA
Interfaces
I²C
I²C
Size (LxWxH)
82 x 35 x 32
82 x 35 x 32 mm³

Technical downloads

Name Type Date File Size
Datasheet SFM3003-300-CET

06/2022

File

1.4 MB

Datasheet 06/2022 PDF 1.4 MB
SEK-ControlCenter (all devices)

10/2021

Link

-

Viewer software 10/2021 Link -
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
Engineering guide SFM

01/2021

File

592.1 KB

User guide 01/2021 PDF 592.1 KB
Calibration certification gas flow sensors

01/2023

File

169.8 KB

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

02/2024

File

88.9 KB

Certificate 02/2024 PDF 88.9 KB
Mass flow controllers brochure chinese

02/2024

File

606.2 KB

Flyer 02/2024 PDF 606.2 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-SFM3003
Gas flow sensors evaluation kit SFM3003 SEK-SFMxxxx Gas flow sensors

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 Gas flow sensors

Upcoming

SFM3304-D

Proximal single-use gas flow sensor in single packaging for OEM

  • Sensor
  • Gas flow sensors
Active

SFM6000

Best price-performance ratio, customizable version

  • Sensor
  • Gas flow sensors
Active

SFM6000D-50slm

Best price-performance ratio, distribution version, 50 slm

  • Sensor
  • Gas flow sensors
Active

SFM6000D-20slm

Best price-performance ratio, distribution version, 20 slm

  • Sensor
  • Gas flow sensors
Active

SFM6000D-5slm

Best price-performance ratio, distribution version, 5 slm

  • Sensor
  • Gas flow sensors
Active

SFM5460

High-precision, configurable, fast, gas flow sensor for OEM

  • Sensor
  • Gas flow sensors
Active

SFM5330

High-precision, configurable, fast, digital flow sensor for OEM

  • Sensor
  • Gas flow sensors

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.