... . Good printing system4. AC/DC Power Supply5. Option of metric or British weighting system.Measurement Grade: IIIMax. Tolerance (MPE): +/-0. ... 5E, +/-1.0E, +/-1.5E, or, 0≤m≤500, 500m≤2000, 2000m≤1000Sensibility: when load variability ... : Weighing the same load 3 times in the same condition, difference between these 3 weighting results will be less than absolute value ...