The MiniScan XE Plus portable color measurement instrument quickly and easily quantifies the color of concrete and raw materials, meaning you no longer need to use subjective visual methods to determine color differences. It can be used at the plant or on the jobsite to measure precast products. The device is self-contained with a liquid crystal display and keypad, and is powered by a rechargeable battery pack. It displays color and color difference values, and the user can enter tolerance limits suitable to the job for automatic pass/fail display. HunterLab, 703-471-6870,