The Quick-Scan (QS) is a quick, reproducible and relative cheap measur
ing method to compare micro- or ultrafiltration membrane performances
within standard conditions. The QS can be used as an independent tool
to make a well-founded membrane choice and to carry out exploratory re
search on the possibilities of micro- and ultrafiltration. The measuri
ng method, which consist of a measuring protocol and a specially devel
oped installation, is an important supplement to reduce the risks conc
erning the usage of micro- and ultrafiltration membranes.