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SCD40-D-R2 - Photoacoustic NDIR sensor

Description

3.1 Power-Up and Communication Start 7 3.2 Data Type & Length 7 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 13 3.8 Low Power Periodic Measurement Mode 14 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.
  • Digital I2C interface.
  • Integrated temperature and humidity sensor Product Variants.
  • SCD40: Base accuracy, specified measurement range 400.
  • 2’000 ppm.
  • SCD41: High accuracy, specified measurement range 400.
  • 5’000 ppm, compatible with relevant IAQ standards, several power modes Product Summary The SCD4x is Se.

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Datasheet preview – SCD40-D-R2

Datasheet Details

Part number SCD40-D-R2
Manufacturer Sensirion
File Size 1.10 MB
Description Photoacoustic NDIR sensor
Datasheet download datasheet SCD40-D-R2 Datasheet
Additional preview pages of the SCD40-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 ▪ Digital I2C interface ▪ Integrated temperature and humidity sensor Product Variants ▪ SCD40: Base accuracy, specified measurement range 400 –2’000 ppm ▪ SCD41: High accuracy, specified measurement range 400 – 5’000 ppm, compatible with relevant IAQ standards, several power modes 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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