Specification

Differential pressure
Accuracy
3
3 % m.v.
Pressure range
±500
±500 Pa
Zero point accuracy
0.1
0.1 Pa
Calibration
Air and N₂
Air and N₂
Generic
Supply voltage
3 - 3.6
3 - 3.6 V
Average supply current
3800
3800 uA
Max. supply current
5500
5500 uA
Interfaces
I²C
I²C
Size (LxWxH)
8.5 x 5.5 x 5.15
8.5 x 5.5 x 5.15 mm³

Technical downloads

Name Type Date File Size
Viewer software USB/RS485 (V. 2.91)

10/2021

File

1.7 MB

Viewer software 10/2021 MSI 1.7 MB
Datasheet SDP3x digital

11/2022

File

740.0 KB

Datasheet 11/2022 PDF 740.0 KB
Burst and overpressure specifications

05/2022

File

95.4 KB

Application note 05/2022 PDF 95.4 KB
Compensation of pressure drop in a hose SDP3x

07/2016

File

372.7 KB

Application note 07/2016 PDF 372.7 KB
Efficient Gas Flow Measurements in Bypass

05/2023

File

211.4 KB

Application note 05/2023 PDF 211.4 KB
Handling instructions SDP3x

05/2023

File

137.9 KB

Application note 05/2023 PDF 137.9 KB
Mass flow temperature compensation & sensor selection guide

01/2017

File

339.2 KB

Application note 01/2017 PDF 339.2 KB
Engineering guidelines SDP3x

08/2016

File

348.2 KB

User guide 08/2016 PDF 348.2 KB
Arduino I²C SDP library

10/2021

Link

-

Software 10/2021 Link -
Sample code SDP3x

10/2021

File

302.0 KB

Software 10/2021 ZIP 302.0 KB
STEP file SDP3x

10/2021

File

1014.5 KB

CAD 10/2021 STEP 1014.5 KB
Calibration Certification SDP3x

04/2022

File

90.7 KB

Certificate 04/2022 PDF 90.7 KB
Differential pressure brochure chinese

01/2024

File

1.4 MB

Flyer 01/2024 PDF 1.4 MB
Differential pressure brochure english

01/2024

File

1.4 MB

Flyer 01/2024 PDF 1.4 MB
Differential pressure brochure japanese

01/2024

File

1.7 MB

Flyer 01/2024 PDF 1.7 MB
Product flyer consumer electronics SDP3x

04/2017

File

661.2 KB

Flyer 04/2017 PDF 661.2 KB
Product flyer medical SDP3x

04/2017

File

655.2 KB

Flyer 04/2017 PDF 655.2 KB
Product flyer vacuum cleaner SDP3x

06/2018

File

874.0 KB

Flyer 06/2018 PDF 874.0 KB

Sensor evaluation

Buy the following products to evaluate this sensor

Name Description Series Category
SEK-SDP31
Differential pressure evaluation kit SDP31 SEK-SDP Differential pressure
SEK-SensorBridge
Connecting bridge with two sensor ports SEK-SensorBridge

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

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.