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The Capillary Flow Porometer PSM 165 provides a means of mercury free and non-destructive characterising of porous materials with regard to their pore size distribution (membranes, ceramics, nonwovens, sinter metals, ...) on basis of ASTM D6767, ASTM F316-03, ISO 2942, ISO 4003. The test is conveniently supported by a PC with user-friendly control software PSMWin. Amongst others the following three main parameters describing the inner structure of the material can be obtained with this compact pore size analyzer.
Pressure drop at which the wetted sample is starting to become gas permeable.
Permeability weighted pore diameter distribution calculated from wet flow curve (pressure drop vs. volumetric flow rate of the wet sample) and dry flow curve (similar to wet flow, but obtained on a dry sample).
Pore diameter corresponding to the pressure drop where the wet flow value is half (50%) of the dry flow.
The user-friendly analysis and control software PSMWin was especially developed for Capillary Flow Pore Size Meter PSM 165. By means of the software that works on Windows computers three main parameters can be determined that describe the material structure.
Data acquisition and processing are fully computerised and specific instructions on tasks such as inserting the filter sample are given to the operator. This ensures that errors arising from incorrect instrument operation are reduced to a minimum. The logged data can be displayed graphically or in tabulated form.