AND FX-i [FX-120i] Standard-Level Precision Balances with External Calibration, 122g x 0.001g - 130 mm. The A&D Weighing FX-120i Precision Balance, 122g x 0.001g is robust and durable. The FX120i features Compact Super Hybrid Sensor(C-SHS) that makes the scale compact, fast, and precise. The FX120i includes a wide range of modes to meet workflow needs.