A system having an acquisition device for acquiring test and measurement data and providing such data to a computer system for display of such data. The system includes at least one boundary marker located along the outer edge of the area to be covered, a robot with a navigation system and a sensor unit. The tour system identifies salient phrases of metadata of the search results to be the candidate sight names. As the sensor system is closely aligned with the centroid of the inertial mass the sensor system of the present invention reduces or eliminates any systemic error. The invention also discloses a method for a manufacturer to maintain a database of handheld ultrasound instrument capabilities after the instruments enter the stream of commerce.