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SCD41-D-R2 - Photoacoustic NDIR sensor

Download the SCD41-D-R2 datasheet PDF. This datasheet also covers the SCD40-D-R2 variant, as both devices belong to the same photoacoustic ndir sensor family and are provided as variant models within a single manufacturer datasheet.

General Description

3.1 Power-Up and Communication Start 7 3.2 Data type & length7 3.3 Command Sequence Types 7 3.4 SCD4x Command Overview8 3.5 Basic Commands 9 3.6 On-Chip Output Signal Compensation 10 3.7 Field Calibration 12 3.8 Low Power operation14 3.9 Advanced

Key Features

  • Photoacoustic NDIR sensor technology PASens®.
  • Smallest form factor: 10.1 x 10.1 x 6.5 mm3.
  • Reflow solderable for cost effective assembly.
  • Large output range: 0 ppm.
  • 40’000 ppm.
  • Large supply voltage range: 2.4.
  • 5.5 V.
  • High accuracy: ±(40 ppm + 5 %).
  • Digital I2C interface.
  • Integrated temperature and humidity sensor.
  • Low power operation down to < 0.4 mA avg. @ 5 V, 1 meas. / 5 minutes Product Summary The SCD4x is Sensirion’s next gen.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (SCD40-D-R2-Sensirion.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number SCD41-D-R2
Manufacturer Sensirion
File Size 1.10 MB
Description Photoacoustic NDIR sensor
Datasheet download datasheet SCD41-D-R2 Datasheet

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Other Datasheets by Sensirion

Part Number Description
SCD41-D-R1 Photoacoustic NDIR sensor
SCD40-D-R1 Photoacoustic NDIR sensor
SCD40-D-R2 Photoacoustic NDIR sensor
SCD30 Ambient CO2 / humidity and temperature sensor

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
SCD4x Breaking the size barrier in CO2 sensing Features ▪ Photoacoustic NDIR sensor technology PASens® ▪ Smallest form factor: 10.1 x 10.1 x 6.5 mm3 ▪ Reflow solderable for cost effective assembly ▪ Large output range: 0 ppm – 40’000 ppm ▪ Large supply voltage range: 2.4 – 5.5 V ▪ High accuracy: ±(40 ppm + 5 %) ▪ Digital I2C interface ▪ Integrated temperature and humidity sensor ▪ Low power operation down to < 0.4 mA avg. @ 5 V, 1 meas. / 5 minutes Product Summary The SCD4x is Sensirion’s next generation miniature CO2 sensor. This sensor builds on the photoacoustic NDIR sensing principle and Sensirion’s patented PASens® and CMOSens® technology to offer high accuracy at an unmatched price and smallest form factor.