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SCD41-D-R2 - Photoacoustic NDIR sensor

This page provides the datasheet information for the SCD41-D-R2, a member of the SCD40-D-R2 Photoacoustic NDIR sensor family.

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

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.

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Datasheet preview – SCD41-D-R2

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
Additional preview pages of the SCD41-D-R2 datasheet.

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Full PDF Text Transcription

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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.
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