STC31-C

New

CO₂ accuracy of ±(0.2 - 2.0 vol%) @0-100 vol%

Distributor list Contact sales

Specification

CO₂
Specified CO₂ Measurement Range
0 - 100
0 - 100 vol %
Accuracy
±0.2 vol % ±2.0 %m.v.
±0.2 vol % ±2.0 %m.v.
Response time (τ63%)
0.5
0.5 s
Temperature stability
0.02
0.02 vol%/°C
Generic
Supply voltage
2.7 - 5.5
2.7 - 5.5 V
Average supply current
50
50 uA
Max. supply current
5
5 mA
Interfaces
I²C
I²C
Size (LxWxH)
3.5 x 3 x 1
3.5 x 3 x 1 mm³
Packaging size
400
400 pcs (Tray)

Downloads

Name Type Date File Size
Datasheet STC31-C

12/2024

File

831.8 KB

Datasheet 12/2024 PDF 831.8 KB
Design guide STC31-C

09/2024

File

1.0 MB

Application note 09/2024 PDF 1.0 MB
Handling and assembly guide STC31

06/2024

File

284.3 KB

Guide 06/2024 PDF 284.3 KB
Arduino driver STC31

10/2021

Link

-

Software 10/2021 Link -
Embedded driver STC31

10/2021

Link

-

Software 10/2021 Link -
Raspberry Pi driver STC31

10/2021

Link

-

Software 10/2021 Link -
SEK-ControlCenter (all devices)

10/2021

Link

-

Software 10/2021 Link -
STEP file STC31/STC31-C

01/2023

File

1.5 MB

Drawings/CAD 01/2023 STEP 1.5 MB
RoHS, REACH and Hal-Free declaration STC3x

11/2024

File

91.8 KB

Certificate 11/2024 PDF 91.8 KB

Latest CO₂ sensors

Upcoming

STCC4

CO₂ sensor with unmatched form factor for indoor air quality applications

  • Sensor
  • CO₂
New

SEK-STC31-C

CO₂ evaluation kit STC31-C

  • Evaluation kit
  • CO₂
Active

SCD41

High CO₂ accuracy with extended measurement range and low power modes

  • Sensor
  • CO₂
Active

SCD4x CO₂ Gadget

SCD4x CO₂ Sensor Demonstrator

  • Reference design
  • CO₂
Active

SEK-SCD30

CO₂ Evaluation kit SCD30

  • Evaluation kit
  • CO₂
Active

SEK-SCD41

CO₂ evaluation kit SCD4x series

  • Evaluation kit
  • CO₂
Active

SCD40

CO₂ accuracy of ±(50 ppm + 5% MV) @400-2000 ppm

  • Sensor
  • CO₂

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.