Perspiration Tester is widely used in determining the color fastness to perspiration, sea water, saliva, distilled water and in textiles. The colored textile specimen is wet out using a simulated acid perspiration solution or others, and placed in contact with a multi-fiber strip. Extrusion to remove excess liquid of the combination, then subjected to a fixed mechanical pressure for a pre-determined period. Following incubation, the Perspirometer is removed and specimens and multi-fiber strip are observed the charge of color after drying respectively.