DFRobot Gravity: I2C SCD41 Infrared CO2 Sensor (400 – 5000 ppm)

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Out of stock

Approx Restocking Date: 25 to 30 Days
SKU: 1551174
  1. Power Supply: 3.3V to 5V
  2. Average Operating Current: <4mA
  3. I2C Address: 0x62
  4. Product Size: 32*27*8mm/1.26×1.06×0.31″

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Brand: DF Robot
Category: Gas and Dust Sensor
Tags: DF robot Sensor, I2C SCD41 Infrared CO2 Sensor

CO2 is a key factor for indoor air quality as high levels compromise the human cognitive performance and well-being.

This DFRobot Gravity: I2C SCD41 Infrared CO2 Sensor (400 – 5000 ppm) is based on the SCD41 miniature CO2 sensor from Sensirion. SCD41 builds on the photoacoustic NDIR sensing principle and Sensirion’s patented PAsens® and CMOSens® technology to offer high accuracy at an unmatched price and the smallest form factor. On-chip signal compensation is realized with the built-in temperature and humidity sensor, while temperature and humidity data outputs are also available.

SCD41 sensor detects the amount of energy that is absorbed by CO2 molecules. When pulsing the infrared emitter, CO2 molecules absorb infrared light periodically. This causes additional molecular vibration resulting in a pressure wave inside the measurement chamber. The higher the CO2 concentration, the more light is absorbed, and thus the greater the amplitude of this acoustic wave becomes. A microphone inside the gas chamber measures this, from which the CO2 concentration can then be calculated.


Useful Link:

https://wiki.dfrobot.com/SKU_SEN0536_Gravity_SCD41_Infrared_CO2_Sensor


Applications:

  1. Indoor CO2 concentration monitoring
  2. Ambient monitoring in the greenhouse
  3. Smart ventilation systems

Features:

  1. CO2, temperature, and humidity, three in one
  2. The small size of 32*27*8mm
  3. Low power, average current<4mA

Package Includes:

1 x Gravity: SCD41 Infrared CO2 Sensor

1 x Gravity-4P I2C/UART Sensor Cable

Power Supply

3.3V to 5V

Average Operating Current

<4mA

I2C Address

0x62

Product Size

32*27*8mm/1.26×1.06×0.31"

Accuracy

±(40 ppm + 5% MV)

Measuring Range

400 – 5000 ppm

Response Time(co2)

60s

Typical Relative Humidity Accuracy

6%RH

Relative Humidity Measuring Range

0 to 95%RH

Response Time(Humidity)

120s

Typical Temperature Accuracy

0.8℃

Temperature Measuring Range

-10 to 60℃

Response Time(Temperature)

120s

Shipping Weight 0.013 kg
Shipping Dimensions 6 × 6 × 3 cm
6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Reimbursement or replacement will be done against manufacturing defects.


What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China