Instant and smooth static elimination using a built-in fanless ionizer to ensure stable weighing, Anti-static breeze break, Large weighing chamber for improved usability, Built-in temperature, humidity, and atmospheric pressure sensors, Interlockable slide doors allowing efficient operation with both hands, automatic or manual motorized calibration with an internal mass, Clearly visible, white-backlit LCD, Memory up to 200 data sets, AD-1688 data logger as standard accessory to record weighing data as well as environmental parameters into MS Excel readable files, 12 weighing units : g, mg, oz, ozt, ct, mom, dwt, GN, tael, tola, pcs (counting), %, Special pans/holders for minute amounts, Holders for PM filters, Holders for microfuge tubes, Optional pipette accuracy testing kit, RS-232C (standard), Quick USB (standard), Ethernet (optional)