... compression strength tester is our intelligent tester for testing box compression strength of boxes and cartons. It is mainly suitable for all ... speed ARM processor, highly automatic, fast data-collecting, automatic testing, intelligent diagnose.2.7 With 24-digits high precision AD ... 1 Power supply: AC380V, 50Hz, 10A, three-phase, four wires.3.2 Testing accuracy:±1%3.3 Resolution: 1N3.4 Measuring range ...