CO2 Module

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The CO2 Module is a gas sensor for measuring the carbon dioxide (CO₂) concentration. This module achieves ±50 ppm accuracy. It uses a non-dispersive infrared (NDIR) sensor manufactured in Sweden. Thanks to its low-power operation it can be powered from batteries for years.

Availability In stock
Price €73,60 excl. VAT
€89    
Product code BCM008
Category Modules
 

The CO2 Module is a gas sensor for measuring the carbon dioxide (CO₂) concentration. This module achieves ±50 ppm accuracy. It uses a non-dispersive infrared (NDIR) sensor manufactured in Sweden. Thanks to its low-power operation it can be powered from batteries for years.

Carbon dioxide (or CO₂) is a colorless and odorless gas that is vital to life on Earth. Its nominal concentration is about 400 ppm (0.04 %). There are many occurrences of CO₂ in nature. For example humans produce CO₂ when exhaling.

The high concentration of CO₂ leads to acidity and various health related problems.

We have equipped the LP8 sensor with additional circuitry for efficient power management and I²C-only interfacing. This module also features three 5-pin sockets allowing you to connect BigClown tags.

Features

  • Carbon dioxide (CO₂) sensor LP8 (SenseAir)
  • Non-dispersive infrared (NDIR) technology
  • Measurement range of CO₂: 0 to 10 000 ppm
  • Measurement accuracy: ±50 ppm CO₂ ±3 % of reading (Note 1)
  • I²C-only interface (integrated UART bridge and I/O expander)
  • Constant current source for 470 mF supercap
  • Long battery life time
  • 3 sockets for a BigClown tag
  • Low power consumption:
    • 6 µA (6 measurements per hour)
    • 61 µA (1 measurement per minute)
  • Operating voltage range: 3 V to 3.6 V
  • Operating temperature range: 0 to 50 °C
  • Mechanical dimensions: 88 x 55 mm

Note 1: Accuracy ±50 ppm is achieved after 24 days of operation and auto calibration process.

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