User can selected the preset sound values among various materials, sound speed ranges is 1000-9999m / s, sound speed also is defined customizable for the digital Ultrasonics thickness better base on your different application Widely used for measuring Metal and Nonmetal materials, Steel, Aluminum, Zincs,, PVC, Glass, Ceramics and any other good Ultrasonics conductors as long as it have top and bottom surfaces The Ultrasonics thickness tester have a wide ranges of 1.2mm to 225mm The device is equipped with a fast microprocessor, have a small and comfortable size and work with Ultrasonics LCD screen display with backlits display Ultrasonics thickness tester, statistic view, calibration, low battery indicators, store / function The device is equipped with a fast microprocessor; have a small and comfortable size and work with Ultrasonics, Manufacturer: Msioytog