Mark210APrecision BalanceFeatures:l Display very easy viewing by 7 counts VFDl Fully automatic Internal calibration with built in weightl Standard RS 232 C Interfacel Conforms GLP/GMP and ISO 9001 Standardl Various weighing units like gm, ct, lbs, gn, tl, momme, ounces, ozt, dwt, pennl High Stability & User defined filter level for better performancel Spacious draft shield interior.