The Filtertechnik portable patch test kit is a must for identifying and monitoring the types and levels of contamination in fluid power systems. The kit enables instant visual analysis through an optical microscope of the major types of system wear including bright and black metals, silica, fibres, elastomers, plastics and others. A sample of the test fluid is passed through a filter membrane via the vacuum pump, dried, and mounted in a membrane holder ready for visual assessment. Comparitor slides are supplied to help establish and identify cleanliness levels etc of the fluid sample. The kit is supplied complete with everything required for taking immediate samples and is simple to assemble and use with full training available on request.