AND Apollo GX-A [GX-603A] Multi-Functional Precision Balance w/Internal Calibration, 620g x 0.001g - 128mm × 128mm  The AND Weighing GX-603A Precision Balance, 620g x 0.001g features a super hybrid design, construction, and algorithms. The GX603A offers password protection for up to 11 users and 1 administrator. The GX603A's stainless steel pan and dust plate can be easily removed for cleaning. The GX603A is easy to assemble anti-static breeze break on 0.001 readability models.