Test Sieve Shaker LLTS-A10 Labtron Test Sieve Shaker offers efficient particle distribution analysis with 1 to 8 working sieve layers, rotating at 1400 rpm. Designed with a 200 mm sieve diameter, it tests 50-150 g of sample material with a timer adjustable from 1 second to 99 hours. Ideal for determining particle size in raw and finished materials, including particles, powders and liquids.