SFM4100-20-N2O-B

NRND

Pressure-resistant flow sensor for N₂O, 20slm, basemount

Successor product

Name Description Series Category
SFM4300-20-B
Pressure-resistant flow sensor, multi-gas, 20slm, basemount SFM4xxx Gas flow sensors

Specification

Gas flow
Full scale flow rate
0 - 20
0 - 20 slm
Typical accuracy
±3% m.v.
±3% m.v.
Calibration
N₂O
N₂O
Sensor output
Flow and T
Flow and T
Maximum operating pressure
6
6 bar
Fluidic connector ports
Downmount
Downmount
Generic
Supply voltage
3.5 - 10
3.5 - 10 V
Max. supply current
12500
12500 uA
Interfaces
I²C
I²C
Size (LxWxH)
93 x 31.88 x 27.2
93 x 31.88 x 27.2 mm³

Technical downloads

Name Type Date File Size
Datasheet SFM4100

01/2024

File

481.6 KB

Datasheet 01/2024 PDF 481.6 KB
CRC calculation SFM4100

06/2009

File

43.4 KB

Application note 06/2009 PDF 43.4 KB
Sample code note SFM4100

07/2009

File

103.0 KB

Application note 07/2009 PDF 103.0 KB
Sample code SFM4100

07/2009

File

103.0 KB

Software 07/2009 PDF 103.0 KB
STEP file SFM4100 (Downmount)

10/2021

File

3.7 MB

Drawings/CAD 10/2021 ZIP 3.7 MB
Calibration certification SFM4100

08/2010

File

18.8 KB

Certificate 08/2010 PDF 18.8 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

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

02/2024

File

88.9 KB

Certificate 02/2024 PDF 88.9 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-SFM4100
Gas flow sensors evaluation kit SFM4100 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

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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.