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Overview of SM100 Portable Olfactometer:

Scentroid’s SM100 portable olfactometer is the world’s most accurate in-field odour measuring device that allows users to accurately quantify ambient odour strength in OU/m3. This revolutionary device offers an easy-to-use and cost effective alternative to estimating odour strength or using expensive odour measuring laboratories. Plus, using the SM100 helps to avoid sample degradation caused by shipping (time, temperature, and pressure) to the nearest lab!

Each SM100 draws a sample of ambient air via Venturi pump and dilutes it using fresh, odorless / odourless air from a compressed air tank. The operator uses an adjustable sliding valve to control the ratio of fresh to ambient air, which is then fed through a sliding valve into the PTFE face mask. The valve position indicator displays the sample strength (Dilution to Threshold or OU). The SM100 requires no sample bags, no filters to change, no pumps or other moving parts to maintain.  An instrument you can rely on!

Use the SM100 Portable Olfactometer to:

  • Perform daily odour assessments and identify their sources
  • Determine odour mitigation effectiveness
  • Evaluate the odour emission impact on nearby residents
  • Monitor emission compliance and conduct N-Butanol screening

Conduct Odour Measurements From:

  • Ambient air without any additional sampling equipment
  • Directly from smoke stacks or filter inlets
  • Flux chambers
  • Air samples in PTFE/Tedlar bags

Upgrade to SM100 Portable Olfactometer Available:

Prefer an automatic adjustment of dilution steps? Click here!

Dimensions and Weight:

16″ x 6″ x 6″ x 8 lbs


Dilution Range (Ou/m3): 2 – 30,000 (2^15)
Dilution Principle: Stainless steel educator
Number of Dilution Steps: 15 (adjustable range)

Air Flow:

Air Supply Capacity: 15 minutes
Pressure Flow Rate: 20 litres per minute
Presentation Face Velocity: 0.3
Tank Pressure: 4500 PSI


Face Mask: Half face PTFE
Wetted Material: Stainless steel and PTFE
Power Requirements: None



Si está pensando en llevar a cabo un proyecto, desea adquirir instrumentación, quiere más información al respecto de los servicios de DILUS o desea mas información sobre SM100 PORTABLE OLFACTOMETER, deje sus datos. El equipo se pondrá en contacto con usted a la mayor brevedad posible.

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