... test pieces .Function and usage: 1) The GBN2000Z Box Compression tester is applicable to carry out proof pressure, deformation and ... cases, honeycomb crates, and other packaging cases. 2) The compression tester is designed and manufactured as per the provision of ... stowage test and ISO2872 and ASTMD642 pressure tests.3) The compression tester is use Microcomputer control system, the test result ...