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RAK12047 VOC Sensor – Sensirion SGP40 Module

The RAK12047 is based on the Sensirion SGP40, designed for accurate indoor air quality monitoring of volatile organic compounds (VOCs). With low power consumption, compact size, and I²C communication, it is ideal for air purifiers, demand-controlled ventilation, and smart IoT applications.

SKU: 100096

10,50 €

excl. 19% VAT plus Shipping Costs

Product Description Technical Details

The RAK12047 is a state-of-the-art VOC sensor from the RAKWireless WisBlock Sensor series, powered by the MOx-based Sensirion SGP40. It detects a wide range of volatile organic compounds (VOCs) and provides digital measurements via the I²C interface.

The sensor’s raw signal can be directly processed by the Sensirion Gas Index Algorithm, which translates it into a VOC Index (1–500 points). Sensirion’s open-source libraries support this feature, making integration simple and efficient.

For enhanced accuracy, the RAK12047 can be combined with temperature and humidity sensors like the RAK1901 or RAK1906, providing additional data to optimize air quality assessments.

Typical Applications:

  • Indoor air quality monitoring

  • Air purifiers

  • Demand-controlled ventilation (DCV) systems

  • Smart home and building automation

  • IoT-based indoor solutions

Specification Details
Sensor Sensirion SGP40
Measurement Principle MOx-based gas sensor
Measured Parameter VOC (Volatile Organic Compounds)
Measurement Range 0 to 1000 ppm (Ethanol in clean air)
Limit of Detection 0.05 ppm or 10% of concentration setpoint (whichever is greater)
VOC Index 1 – 500 points (based on SRAW_VOC)
Current Consumption 34 µA to < 3.0 mA
Operating Voltage 3.3 V
Communication I²C Interface
Module Size 10 x 10 mm

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