The DE-864W Portable Dynamic Signal Analyzers is a multifunctional,high-portable data acquisition system composed of a high-performance embedded computer, a 10.1-inch HD touch display, a SSD and a DAQ card.DE-864W has abundant channel types and interfaces, which can be flexibly connected to various types of sensors to test and analyze a variety of physical quantities such as voltage,current, stress, strain, pressure, displacement, velocity, and acceleration.