Sensirion SVM30 Multi-Pixel Gas Sensor Module

Sensirion SVM30 Multi-Pixel Gas Sensor Module

Sensirion SVM30 Multi-Gas, Humidity, and Temperature Sensor Combo Module is ideal for measuring indoor air quality in devices such as air purifiers, air conditioners, and other air treatment products. The SVM30 combo module contains an SGP30 gas sensor as well as an SHTC1 humidity and temperature sensor. The SGP30 multi-pixel gas sensor combines multiple metal-oxide sensing elements on one chip. This means a total VOC signal (tVOC) and a CO2 equivalent signal (CO2eq) can be measured through that one sensor chip. Sensirion SVM30 provides a solution to design challenges like thermal decoupling of the sensors and compensation of humidity cross-sensitivity.

Block Diagram

SVM30 Block Diagram

The gas and RH/T sensor components on the SVM30 are designed with Sensirion’s CMOSens® Technology. This technology offers a complete sensor system on a single chip, including the sensing elements, analog and digital signal processing, analog-to-digital converter (ADC), calibration and data memory, and a digital communication interface supporting I2C standard mode. The sensing element also offers robustness against contamination by siloxanes present in real-world applications, enabling long-term stability and low drift.


  • Measures indoor air quality parameters tVOC, CO2eq, relative humidity, and temperature
  • Fully factory calibrated and tested
  • Digital I2C interface
  • Automatic baseline compensation and humidity compensation of MOX gas sensor
  • Long-term stability and reliability


  • 4.5V to 5.5V supply voltage
  • 49mA Avg. current
  • Package: 39mm x 15mm x 6.5mm PCB
  • 1s sampling rate
  • -20°C to +85°C operating temperature range
  • ±1°C Typ. temperature accuracy
  • 0% to 100% RH humidity measurement range
  • ±5% RH humidity accuracy
  • Output range: TVOC – 0 to 60,000ppb; CO2eq – 0 to 60,000ppm
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Mike is the founder and editor of, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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