Description, Auto calibration to assure the accuracy ? auto linear compensation this sophisticated application suite enhances the precision by correcting the non, Linear accuracy of transducer ? use keys to produce a quick adjustment for the sound velocity/thickness as well as a swift recall to the preserved data ? coupling status indication observing the coupling icon to learn if the coupling is accomplished or not ? 10 thickness measurement storage and recall which facilitated, Function available the height work or working in wild area ? sound velocity measurement with a given thickness by a sample hardware to assess the which avoid, Sound velocity the further conversion or consultation of the table ? 12 sound velocity for different material which also adjustable ? low battery indication ? auto power off mode designed to conserve battery life ? more than 10000 times long life keys ? the unthis product features a special memory that retains all of its setting even when the power is off