Scentroid SM100 a New On Site Odour-measuring Device

SM100SM100 operatorScentroid SM100 is an in-field odour-measuring device that, according to the manufacturer, allows users to accurately quantify ambient odour strength. This device offers an easy-to-use and cost effective alternative to guessing at odour strength or using expensive odour measuring laboratories.

The SM100 draws a sample of ambient air via venture pump and dilutes it using fresh odourless air from a compressed air tank. Operator uses an adjustable sliding valve to control the ratio of fresh to ambient air.

Unlike other infield odour-measuring devices, SM100 does not rely on filters to clean ambient air for dilution. Rather fresh odourless air is supplied by a portable light weight high-pressure air tank.

 According to the manufacturer, this device allows:

  • No more worrying about the sniff rate! The compressed air tank provides reliable and constant air flow rate.
  • By using clean compressed, the SM100 does not relying on filters to clean in the ambient air for dilution. 
  • Keeps noses sensitive even in the harshest ambient odours! The fresh air is used also used to purge the nose before conducting the test. With up to 60 minutes of breathing air in each tank the user never even has to be exposed to full force of the undiluted ambient air.

For more information visit the website of the company 

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Carlos Nietzsche Diaz Jimenez's Avatar

Carlos Nietzsche Diaz Jimenez

Carlos is the editor-chief of and has been in the odour world since 2001. Since then, Carlos has attended over 90 conferences in odour management, both national and international and authored a few papers on the subject. He has also organized a few international meetings and courses. Carlos owns a small company named Ambiente et Odora (AEO). He spends his free time with his wife and his twins, Laura and Daniel, and of course, writing on

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