The VariableType defines the general characteristics of a WeightItem. The WeightItem is a measured weight value with some Properties. The value attribute has the DataType AbstractWeightType (see section 0) and contains the value of net, gross and tare. It is formally defined in Table 138.
The value of the WeightItemType is rounded to a verification scale division value if the scale is verified, otherwise it is rounded to the scale division.
