AND Apollo GX-A [GX-203A] Multi-Functional Precision Balance w/Internal Calibration, 220g x 0.001g - 128 x 128mm. The AND Weighing Apollo GX-203A Precision Balance, 220 x 0.001g features a super hybrid design, construction, and algorithms. The GX203A offers password protection for up to 11 users and 1 administrator. The GX203A's stainless steel pan and dust plate can be easily removed for cleaning. The GX203A is easy to assemble anti-static breeze break on 0.001 readability models.