Centrifuge Extractor Motorised The instrument is used for determination and checking of bitumen Percentage in bituminous mix, the mix is added with a  solvent  and Dissolved  bitumen  is  removed  by  centrifugal  action.  Consists  of  a Removable aluminum rotor bowl, capacity 1500 gms. With a cap and tightening nut. The bowl assembly is mounted  on a Vertical shaft, which protrudes from a cast housing. This  shaft and Thus the bowl is rotated fast manually by enclosed gears in the cast Body and handle. Solvent is introduced during  the test through  the Holes  in  the  cap  of  the  housing.  A  drain  is  provided  to  collect Dissolved bitumen coming out of the Rotating bowl and getting collected in the housing.