Χωρίς καλώδια οι νέοι αισθητήρες της WTW

Did you know? “Equivalent Area Diameter” A particle is a 3-dimensional object, and only if it is spherical can its exact size be determined by its diameter. The size of particles measured on a witness plate...

Did you know?* “Vs ; Single Sample Volume” ISO 14644-1:2015 defines minimum air volume to be sampled as a single sample volume (Vs); 𝑉𝑠=(20/𝐶𝑛,𝑚)×𝟏𝟎𝟎𝟎 Where;Vs is the minimum single sample volume per...