AND Galaxy HR100A [HR-100A] Standard-Level Analytical Balance, 102g x 0.1mg - 90mm Ø w/ External Calibration. The A&D Weighing Galaxy HR-100A Analytical Balance, 102g x 0.1mg with External Calibration with RS-232C features Compact Super Hybrid Sensor (C-SHS) that enables space saving with fast 2 sec stabilization. The HR100A simple user navigation makes this ideal entry level balance from lab to industrial weighing environments. The HR100A removable breeze break allows effortless cleaning of SS pan, spill ring, and base floor.