Blended optical approaches. You will discover a variety of proprietary optical smoke measurement devices including the 'nephelometer' or even the 'aethalometer' which use various various optical approaches, such as more than one wavelength of light, inside an individual instrument and implement an algorithm to give a superb estimate of https://broadfar.com/oraco-pioneering-a-smokeless-future-with-innovative-nicotine-delivery/