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SENSIRION SCD42DR2 CO2 Sensor

The SCD42 is a compact CO2 sensor that combines photoacoustic PASens® and CMOSens® technologies for high accuracy in a tiny 10.1 x 10.1 x 6.5 mm package. It features integrated humidity and temperature sensors for precise signal compensation and operates over 2.4V to 5.5V. Ideal for indoor air quality, demand-controlled ventilation, smart systems, and industrial use, it measures 0-40,000 ppm with ±75 ppm accuracy at 400–1000 ppm. Its SMD design supports cost-effective, space-saving integration, with low power consumption and robust operation for reliable, immediate readings.

Authorized Distributors
Part No:SCD42-D-R2
Stock:342
Inv Date:06-15-2026
Price: Unit price: $54.05
Buy/RFQ:

SENSIRION SCD42DR2 CO2 Sensor Specifications:

  • Size: 10.1 x 10.1 x 6.5 mm
  • Supply Voltage: 2.4V to 5.5V
  • Measurement Range: 0 - 40,000 ppm
  • Accuracy: ±75 ppm @ 400–1000 ppm
  • Power Consumption: approx. 17 mA at 5s measurement interval
  • Interface: Digital I2C
  • Integrated humidity and temperature sensors
  • Reflow solderable SMD design
  • Operating conditions: -40°C to +85°C
  • Mechanical robustness for immediate accurate readings

Buy the Sensirion Series CO2 Sensor: SCD42

Enhance your indoor air quality monitoring with the SCD42 CO2 sensor from Sensirion. Its small form factor of 10.1 x 10.1 x 6.5 mm makes it easy to integrate into various systems. Featuring PASens® and CMOSens® technologies, it provides accurate measurements from 0 to 40,000 ppm with ±75 ppm accuracy at 400–1000 ppm. With built-in humidity and temperature sensors and robust SMD assembly, this sensor ensures reliable, immediate readings, making it ideal for smart ventilation, IoT, industrial, and environmental applications. Purchase online today for dependable, high-precision CO2 sensing.

Order your Sensirion Series SCD42 CO2 sensor today and give your projects the dependable quality they deserve for accurate indoor air quality measurement.

Frequently Asked Questions

Where can I buy SENSIRION SCD42DR2?

You can click on the BUY or RFQ button to purchase SCD42DR2 from an authorized SENSIRION distributor.

How do I troubleshoot issues or seek technical support for part SCD42DR2?

You can download the SCD42DR2 datasheet or visit the SENSIRION website for support.

Who is the manufacturer of SCD42DR2?

SENSIRION

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