Full Description
This document explains the use of the two acceptable methods of reporting particle size, m(c) and m(b), that are defined in ISO 11171:2016. It also explains the reasons for the existence of two alternative size reporting methods and its implications with respect to particle count and filter Beta Ratio data.
Cross References:ISO 11171:2016
ISO 4402:1991
ISO 16889
All current amendments available at time of purchase are included with the purchase of this document.