1. wide measuring range 2. high accuracy 3. quick testing 4. high performance Our ... for many years. Capable of performing measurements on a wide range of material, including metals, plastic, ceramics, composites, epoxies, glass and ... .75~300mm (in Steel). Sound Velocity Range 1000~9999 m/s. Resolution 0.1mm. Accuracy ±(0.5%Thickness+0.04)mm, depends on materials and ...