Aerodyne Research, Inc.
 Gas Correlation NO2 Detection
Technology
 
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A low cost and accurate means of continuously monitoring exhaust gas concentrations of NO2.

APPLICATIONS:

  • Visible absorption measurement of nitrogen dioxide (NO2) using gas filter correlation techniques.

  • Stack gas monitoring of 1-3000 ppm concentrations of nitrogen dioxide.

  • Measurement of ambient concentrations in workplace environments.

  • Ambient air quality at concentrations of 25-1000 ppb using specially designed long path absorption cell.

  • Airborne and/or van-mounted measurements for wide area surveys.  

ADVANTAGES:

  • Insensitive to presence of ambient smoke particles, dirt, soot and aerosols.

  • Suitable for use in corrosive environments.

  • Essentially interference-free.

  • Linear Response.

  • Minimal maintenance (no scheduled maintenance).

  • Fiber-Optical coupling allows for remote placement of electronics/detector module

  • Low voltage operation (12-28 VDC) version available

STATUS: Technology under development

 Estimated Sensitivity:  500 ppb

REFERENCES

Measurement Science and Technology, 11:499-503 (2000) , P.L. Kebabian, K. D. Annen, T.A. Berkoff, and A. Freedman

For more information about this product or associated R&D service contact:

Andrew Freedman, Principal Scientist
Center for Sensor Systems and Technology
Phone:978-663-9500, Ext. 296
Fax:978-663-4918
af@aerodyne.com
  Jim Woodroffe, V. P. New Products
Phone: 978-663-9500, Ext. 261
Fax: 978-663-4918
jimwood@aerodyne.com
 
  

Aerodyne Research, Inc.  45 Manning Road Billerica, MA  01821-3976  978 663-9500