The ring pressure sampler is designed and produced according to the GB/1048 standard. It is a special sampling device for the quantitative determination of standard samples of paper and cardboard.   Features The sampling device has beautiful appearance, compact and reasonable structure, labor-saving operation and convenient use. Applications It is a special sampling device for quantitative determination of standard samples of paper and cardboard, and a supporting tool for DRK113 compression tester. Technical standard The instrument complies with the standards and regulations of GB/1048 Product parameter 1. Sample width: 12.7-0.025mm 2. Sample length: 152-0.25mm 3. Parallelism of the two long sides of the sample: <0.015mm Product configuration One host, certificate, manual