BT-1500 centrifugal sedimentation particle size analyzer is a particle size analyzer of high performance and extensive application which is developed by Bettersize. It adopts multiple sedimentation methods of gravitational settling, centrifugal settling, and combination of them, etc, centrifugal device and measuring device become an organic whole through ingenious design, and it has the features including wide test range, easy operation, quick and precise, real-time control of test process. It is an ideal particle size test instrument for the fields of production, scientific research and teaching, etc.