| American Ecotech ... is a leading supplier of nephelometers to the North American market - [e] Dako Turbidimetry and Nephelometry Test Systems - [e] Hach Company FilterTrak Laser Nephelometer - [e] Kernco Instruments Co., Inc. Nepholometric Turbidity Meter - [e] Optec, Inc. The Optec NGN-2a integrating nephelometer employs a unique open-air design that allows accurate measurement of the scattering coefficient (Bscat) of ambient air - [e] TSI Incorporated Integrating Nephelometers: analytical instruments useful for short-or long-term measurements of the light-scattering coefficient of atmospheric and laboratory aerosols - [e] |