The proven manual test sieves consist of a robust stainless steel sieve frame with high dimensional stability and bonded perforated plates. No holes are cut into the peripheral area of the sieves. The sieve diameter is Ø 200 mm, effective height 25 mm. Lid and base are available as accessories. DIN EN ISO 5223 specifies the characteristics of analytical sieves used for the determination of dock in grain samples in accordance with DIN EN 15587.