Apparatus for holding analysis filter during substance parameter measurement process, has filter sample holder for holding analysis filter, where filter sample holder has plate provided with perforations

摘要

The apparatus has a filter sample holder (10) for holding an analysis filter, where the filter sample holder has a plate (16) provided with perforations (36). The plate is fixed by a negative pressure of the analysis filter for the duration of the measurement process. The plate is used as a base plate (12). An independent claim is also included for a method for particle analysis.