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Get rid of unpleasant odors easily and effectively

USM-MEMS-VOC module evaluates rate of air pollution by contaminants such as cigarette smoke and cooking odors and allows control of air ventilation system on demand.

This is an archive article published 14.09.2015. Some information may no longer be up to date and in line with the current state. Please contact us in case of interest.
Modul USM-MEMS-VOC is based on the innovative and highly stable TGS 8100 MEMS semiconductor sensor TGS8100 from Figaro. In the presence of detectable gas, sensor resistance decreases depending on gas concentration in the air. New technology allows very rapid response to gas concentration change. The USM-MEMS-VOC reacts within 8 seconds.
The module evaluates ratio of sensor resistance in clean air (base level) to sensor resistance in polluted air and calculates air quality in range 0 to 100%. It communicates through UART interface. Besides that it provides PWM signal (185Hz) with pulse width proportional to air quality and three binary outputs which turns on when air quality reach 25%, 50% and 75%.
The module allows using of external I2C temperature/humidity sensor for measuring and also to temperature/humidity compensation of TGS8100. USM-MEMS-VOC and TGS8100 can be found in our standard stock offer. In case of interest please contact us at

Advantages / Features:

  • cost effective solution
  • low current consumption <13,6mA
  • easy of use
  • high sensitivity, long-term stability
  • dimension 17x15x3mm
  • SMD component
  • interface for connecting external temperature and humidity sensor
  • automatic base-level adjustment
  • firmware customization (for example control binary outputs also in dependence of humidity)

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in stock 32 pcs

TGS 8100

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