ISO 10303-214:2010(E)
A Value_with_unit is either a single numerical measure, or a range of numerical measures with upper, lower, or upper and lower bounds.
A Value_with_unit is a type of Property_value.
Each Value_with_unit is a Value_range, a Numerical_value, or a Value_limit.
The data associated with a Value_with_unit are the following:
The significant_digits specifies the number of decimal digits that are relevant for the use of the Value_with_unit. If present, the numerical measure or range may be specified using more digits than the significant digits but shall not be specified using less digits.
The significant_digits need not be specified for a particular Value_with_unit.
The unit_component specifies the unit in which the Value_with_unit is expressed.
See value_with_unit to unit for the application assertion.
The unit_component need not be specified for a particular Value_with_unit.
© ISO 2010 — All rights reserved