The A031 series includes perforated plate test sieves featuring square holes and a 200 mm diameter tinned steel frame. They are designed for coarse aggregate and material classification in laboratory and field testing.
The sieves are available with square apertures ranging from 4 mm to 125 mm. Each model is identified by a serial number engraved on the label, which also displays the exact opening size, ensuring traceability and identification.
Every sieve is supplied complete with a certificate of conformity, in line with Matest’s commitment to quality and precision in testing equipment.
Download the table of perforated plate sieves here.