AND Galaxy HR-AZ [HR-150AZ] Standard-Level Analytical Balance, 152g x 0.1mg - 90mm Ø w/ Internal Calibration. The AND Weighing Galaxy HR-150AZ Analytical Balance, 152g 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 HR150A simple user navigation makes this ideal entry level balance from lab to industrial weighing environments. The HR150AZ removable breeze break allows effortless cleaning of SS pan, spill ring, and base floor.