Translation examples
On useita optisia savun mittauslaitteita kuten nefelometri ja etalometri, jotka käyttävä useita optisia menetelmiä, myös useampaa kuin yhtä valon aallonpituutta.
There are various proprietary optical smoke measurement devices such as the 'nephelometer' or the 'aethalometer' which use several different optical methods, including more than one wavelength of light, inside a single instrument and apply an algorithm to give a good estimate of smoke.
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