METHOD OF IDENTIFYING AND REMOVING SURFACE IRREGULARITIES BEFORE ULTRASONIC INSPECTION AND DEVICE FOR IDENTIFYING SURFACE IRREGULARITIES

摘要

A distance sensor unit is also provided. The distance sensor unit includes an array of distance sensors configured to identify surface irregularities deviating from an expected nominal geometry of a surface as the distance sensor unit is moved along the surface and a handheld housing configured for being gripped by an operator. The array of distance sensors is connected to the handheld housing. The distance sensor unit also includes at least one surface irregularity indicator configured for providing an alert to the operator as the distance sensor unit moves over one of the surface irregularities deviating from the expected nominal geometry of the surface.