Adam Solis SAB [SAB 224e] Analytical and Semi-Micro Balance With External Calibration, 220g x 0.0002g. With its high-resolution graphic display and intuitive features, Solis analytical balances provide an excellent solution for a variety of lab applications. Versatile and rugged, Solis is ideal for research and quality assurance laboratories; science education; precision calculation; and production and manufacturing applications that require precision results. The Solis keypad is easy to use, with easy-to-read buttons and helpful navigation arrows for uncomplicated operation.