Ohaus Explorer Precision Balance is easy to use with 14 weighing functions including density, differential weighing, check weighing and percent weighing. Versatile scale with 14 weighing functions including density, differential weighing, check weighing and percent weighing. Four touch-free sensors offer hands-free control of calibration, tare, print, or other programmable commands. Selectable weighing units g, kg and lb. 5.7in (145mm) full color touch-screen display separates easily from the base for remote mounting. Intelligent Calibration automatically calibrates daily or at significant temperature changes and the library function easily stores and recalls applications. 220 - 1,110 g scales 5.1 platform size. All others 7.5 x 7.9 platform size.