Gauges to be used for determining mesh sizes shall be 2 mm thick, flat, of durable material and capable of retaining their shape. They shall have either a series of parallel-edged sides connected by intermediate tapering edges with a taper of one to eight on each side, or only tapering edges with the taper defined above. They shall have a hole at the narrowest extremity. The gauges shall be marked as EC gauge. This Regulation also provides rules for the use of gauges, the selection of meshes to be measured, the measurement of each mesh and the sequence of inspection procedure. (7 articles)
1984-07-23