Penn Scale, PR523N/E, Ohaus® PR Series Analytical Precision Balance, Class II, digital, ExCal internal calibration, 520 g x 0.001 g capacity, 7-9/10"L x 12-1/2"W x 11-9/10"H, 0.01 g verification scale interval, multi-user, applications: basic weighing, parts counting, & percent weighing, weighing units: g, mg, ct, dwt, grain, oz., & ozt, repeatability STDEV 0.001 g, linearity +/- 0.002,2 second stabilization, user selectable calibration points, 6-4/5"L x 5-1/10"W x 8-1/10"H glass draft shield with sliding door, integrated weigh below hook, security bracket, RS-232 port, multi-user, stability indicator, overload and underload indicator, backlit display, 4-3/4" dia. removable stainless steel pan, ABS top housing, legal for trade, NTEP, 100-240v/50/60/1-ph, 12-18va