The VOC Tag is a gas sensor for measuring volatile organic compounds (VOC) concentration. This is useful for indoor air quality monitoring applications. This module uses a metal-oxide multi pixel sensor SGP30 from Sensirion measuring total VOC level.

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Code: HWT006
€19,40 €16 excl. VAT
Category: Tags
Warranty: 3 years
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VOC (Volatile Organic Compounds) sensor is a great technology for indoor air quality measurement applications. Elevated VOC levels can have a negative impact on well being, comfort, and cognitive abilities. Typical VOC sources are cosmetics, detergents containing alcohols or aldehydes, carpets, and flooring, paints, human and animal occupants. Measuring Total VOC (TVOC) level can help to increase the efficiency of ventilation and air purification, and increases awareness of VOC sources and indoor air pollution.


  • VOC multi-pixel gas sensor SGP30 (Sensirion)
  • Suitable for indoor air quality monitoring applications
  • Measurement range of TVOC: 0 to 60 000 ppb (part per billion)
  • Typical Measurement accuracy of ethanol signals: 15 % of reading
  • Typical Measurement accuracy of H₂ signals: 10 % of reading
  • Communication using I²C digital bus interface
  • Operating current: 48 mA (power supply using DC adapter is recommended)
  • Operating voltage range: 1.9 V to 6.5 V (LDO equipped module)
  • Operating temperature range: -45 to 85 °C
  • Mechanical dimensions: 16 x 16 mm


Level TVOC (ppb) Hygienic Rating Recommendation Exposure Limit
5 - Unhealthy 2200 - 5500 Situation not acceptable Use only if unavoidable / Intense ventilation necessary hours
4 - Poor 660 - 2200 Major objections Intensified ventilation / airing necessary, search for sources < 1 month
3 - Moderate 220 - 660 Some objections Intensified ventilation / airing recommended, search for sources < 12 months
2 - Good 65 - 220 No relevant objections Ventilation / airing recommended no limit
1 - Excellent 0 - 65 No objections Target value no limit



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