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SCD40-D-R1 | SENSIRION

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SCD40-D-R1 SENSIRION

The picture is only for illustration, please see the technical specification in product details.

Calibrated CO2 Sensor

Ord.number: 338284
Category: Gas Sensors
Product info: Special offer
Manufacturer (Brand): SENSIRION
Alternative components: Show
Development tools: Show
Documents
SCD40_SCD41.pdf 1 302,1 kB
SCD4x_testing_guide.pdf 2 088,8 kB
SCD4x_handling_instructions.pdf 369,0 kB
SCD4x_design-in_guide.pdf 489,7 kB
SCDxx_Transmissive_and_photoacoustic_NDIR_sensing.pdf 150,0 kB
SCD4x_AN_Low_Power_Operation.pdf 453,6 kB
Specifications
Manufacturer (Brand)
Series
Type
Sensor Technology
Target Gas
Detection Range
Alarm Output Threshold
Output of Measured Values
Sensitivity (Resolution)
Accuracy
Supply Voltage
Current Consumption
Operating Temperature
Package
Termination Style
Other Features
MSL
Alarm Output
Note
RoHS
Product Change Information
Date of issue
Change valid from
Type of change
Description
Document
05/13/2021
05/13/2021
PCN
SCD4x datasheet v1.1
10/02/2024
10/02/2024
PCN
Updated MSL for SCD4x from MSL 3 to MSL 1.
SCD4x infoletter_243401.pdf [50,4 kB]
Alternative components
SCD41-D-R2
SCD41-D-R2
Gas Sensors
Calibrated CO2 Sensor
in stock 600 pcs
Ord.number: 347342
SENSIRION
600 pcs+
13,90 €
Bulk discounts
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Development tools
Arduino UNO R4 Minima (ABX00080)
Arduino UNO R4 Minima (ABX00080)
Maker Boards for Development, Testing or Learning
Embedded Evaluation Board Based on RA4M1 Microprocessor 68,85x53,34mm
in stock 12 pcs
Ord.number: 397631
ARDUINO
1 pcs+
15,30 €
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15,00 €
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Arduino UNO R4 WiFi (ABX00087)
Arduino UNO R4 WiFi (ABX00087)
Maker Boards for Development, Testing or Learning
Evaluation Board RA4M1 Microprocessor + ESP32-S368, 85x53,34mm
in stock 4 pcs
Ord.number: 397630
ARDUINO
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22,10 €
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21,70 €
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SCD4x CO2 Gadget
SCD4x CO2 Gadget
Development Tools
Reference Design for SCD4x CO2 Sensors
in stock 15 pcs
(20. Jun 2025: 5 pcs)
Ord.number: 358536
SENSIRION
1 pcs+
55,00 €
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SEK-SCD41-Sensor
SEK-SCD41-Sensor
Development Tools
SCD41-D on the PCB with SensorBridge cable and jumper wire set
in stock 13 pcs
Ord.number: 347353
SENSIRION
1 pcs+
60,00 €
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SEK-SensorBridge
SEK-SensorBridge
Development Tools
Base Unit for SEK-XXX-Sensors
in stock 17 pcs
(6. Jun 2025: 8 pcs)
Ord.number: 313470
SENSIRION
1 pcs+
71,00 €
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Arduino Uno Rev3 (A000066)
Arduino Uno Rev3 (A000066)
Maker Boards for Development, Testing or Learning
ATmega328P Arduino Uno R3 AVR MCU 8-Bit Embedded Evaluation Board
in stock 2 pcs
(23. May 2025: 1 pcs)
Ord.number: 218660
ARDUINO
1 pcs+
19,60 €
5 pcs+
19,10 €
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Availability 0 pcs
MOQ: 1 pcs
Allowed ordering quantities: 1 pcs (1, 2, 3 ... pcs)
Packing unit: 60 pcs (Tape & Reel)
The prices are exl. VAT. Prices for items, which are not held in our stock can be different from indicated ones. We guarantee prices only for in-stock quantity.
Price excl.VAT
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As a registered business customer, you will receive discounts on most products in stock.
SCD40-D-R1
Add item to compare Add to favorites Add to watchdog Share on LinkedIn
Calibrated CO2 Sensor
SCD40-D-R1 SENSIRION

The picture is only for illustration, please see the technical specification in product details.

Ord.number: 338284
Category: Gas Sensors
Product info: Special offer
Manufacturer (Brand): SENSIRION
Alternative components: Show
Development tools: Show
Documents
SCD40_SCD41.pdf 1 302,1 kB
SCD4x_testing_guide.pdf 2 088,8 kB
SCD4x_handling_instructions.pdf 369,0 kB
SCD4x_design-in_guide.pdf 489,7 kB
SCDxx_Transmissive_and_photoacoustic_NDIR_sensing.pdf 150,0 kB
SCD4x_AN_Low_Power_Operation.pdf 453,6 kB
Price excl.VAT
Need better prices?
As a registered business customer, you will receive discounts on most products in stock.

The prices are exl. VAT. Prices for items, which are not held in our stock can be different from indicated ones. We guarantee prices only for in-stock quantity.

Specifications
Manufacturer (Brand)
Series
Type
Sensor Technology
Target Gas
Detection Range
Alarm Output Threshold
Output of Measured Values
Sensitivity (Resolution)
Accuracy
Supply Voltage
Current Consumption
Operating Temperature
Package
Termination Style
Other Features
MSL
Alarm Output
Note
RoHS
Product Change Information
Date of issue
Change valid from
Type of change
Description
Document
05/13/2021
05/13/2021
PCN
SCD4x datasheet v1.1
10/02/2024
10/02/2024
PCN
Updated MSL for SCD4x from MSL 3 to MSL 1.
SCD4x infoletter_243401.pdf [50,4 kB]
Alternative components
SCD41-D-R2
SCD41-D-R2
Gas Sensors
Calibrated CO2 Sensor
in stock 600 pcs
Ord.number: 347342
SENSIRION
600 pcs+
13,90 €
Bulk discounts
Get Quote
  • ADD TO CART
  • Get Quote
  • Add to favorites
  • Add to watchdog
  • Add item to compare
Development tools
Arduino UNO R4 Minima (ABX00080)
Arduino UNO R4 Minima (ABX00080)
Maker Boards for Development, Testing or Learning
Embedded Evaluation Board Based on RA4M1 Microprocessor 68,85x53,34mm
in stock 12 pcs
Ord.number: 397631
ARDUINO
1 pcs+
15,30 €
25 pcs+
15,00 €
Bulk discounts
Get Quote
  • ADD TO CART
  • Get Quote
  • Add to favorites
  • Add to watchdog
  • Add item to compare
Arduino UNO R4 WiFi (ABX00087)
Arduino UNO R4 WiFi (ABX00087)
Maker Boards for Development, Testing or Learning
Evaluation Board RA4M1 Microprocessor + ESP32-S368, 85x53,34mm
in stock 4 pcs
Ord.number: 397630
ARDUINO
1 pcs+
22,10 €
25 pcs+
21,70 €
Bulk discounts
Get Quote
  • ADD TO CART
  • Get Quote
  • Add to favorites
  • Add to watchdog
  • Add item to compare
SCD4x CO2 Gadget
SCD4x CO2 Gadget
Development Tools
Reference Design for SCD4x CO2 Sensors
in stock 15 pcs
(20. Jun 2025: 5 pcs)
Ord.number: 358536
SENSIRION
1 pcs+
55,00 €
Bulk discounts
Get Quote
  • ADD TO CART
  • Get Quote
  • Add to favorites
  • Add to watchdog
  • Add item to compare
SEK-SCD41-Sensor
SEK-SCD41-Sensor
Development Tools
SCD41-D on the PCB with SensorBridge cable and jumper wire set
in stock 13 pcs
Ord.number: 347353
SENSIRION
1 pcs+
60,00 €
Bulk discounts
Get Quote
  • ADD TO CART
  • Get Quote
  • Add to favorites
  • Add to watchdog
  • Add item to compare
SEK-SensorBridge
SEK-SensorBridge
Development Tools
Base Unit for SEK-XXX-Sensors
in stock 17 pcs
(6. Jun 2025: 8 pcs)
Ord.number: 313470
SENSIRION
1 pcs+
71,00 €
Bulk discounts
Get Quote
  • ADD TO CART
  • Get Quote
  • Add to favorites
  • Add to watchdog
  • Add item to compare
Arduino Uno Rev3 (A000066)
Arduino Uno Rev3 (A000066)
Maker Boards for Development, Testing or Learning
ATmega328P Arduino Uno R3 AVR MCU 8-Bit Embedded Evaluation Board
in stock 2 pcs
(23. May 2025: 1 pcs)
Ord.number: 218660
ARDUINO
1 pcs+
19,60 €
5 pcs+
19,10 €
Bulk discounts
Get Quote
  • ADD TO CART
  • Get Quote
  • Add to favorites
  • Add to watchdog
  • Add item to compare

More information about the product

Monitor the CO2 Level in the Entire Interior With Your Mobile Phone

Monitor the CO2 Level in the Entire Interior With Your Mobile Phone

Check the interior’s concentration of CO2 with the simple reference design, Sensirion SCD4x CO2 Gadget. After measuring the increased CO2 concentration, a light signal on the product will alert you that it is time to ventilate.

SENSIRION
Category: Semiconductors
10/14/2021  Video
SCD4x - The Smallest CO2 Sensor

SCD4x - The Smallest CO2 Sensor

Sensirion sensors SCD40 and SCD41 broke the size barrier and are the smallest CO2 sensors currently available. They measure only 10x10x7 mm, which is 10 times less than other CO2 sensors.

SENSIRION
Category: Semiconductors
04/15/2021
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