Locate rebar, conduits, post-tension cables, and voids, and determine concrete slab thickness with the all-in-one StructureScan Mini. Using ground penetrating radar, the unit reaches depths up to 16 in. in concrete. The user interface incorporates a high-resolution, 5.7-in. LED backlit color display for efficient data collection—no post-processing needed. The laser-positioning system and four-wheel drive encoder help to mark targets. Geophysical Survey Systems Inc. 800-524-3011. www.geophysical.com