test sieve shaker available in diameter 12',8',300mm and 75mm with stainless ... test sieve shaker:1,Products outline: The 200 Series Vibration Sifter main be made up with seat on place,sieves,and actuating ... ,clamp 200 experiment sifter and also clamp 75,100 double sieves., Clamps reliably, conveniently and flexibly.it can start and close ... can automaticly stop when the time using up. test sieve shaker