AND Galaxy HR-AZ [HR-250AZ] Standard-Level Analytical Balance, 252g x 0.1mg - 90mm Ø w/ Internal Calibration. The A&D Weighing Galaxy HR-250AZ Analytical Balance, 252g x 0.1mg with Internal Calibration with RS-232C features Compact Super Hybrid Sensor (C-SHS) that enables space saving with fast 2 sec stabilization. The HR250AZ simple user navigation makes this ideal entry level balance from lab to industrial weighing environments. The HR250AZ removable breeze break allows effortless cleaning of SS pan, spill ring, and base floor.