| Description: The unit_id attribute provides a character or character string which serves as an abbreviation for, or symbol representing, a unit of measure. |
| Namespace Id: pds | Steward: pds | Class Name: Units_of_Mass_Density | Type: UTF8_Short_String_Collapsed |
| Minimum Value: None | Maximum Value: None | Minimum Characters: 1 | Maximum Characters: 255 |
| Unit of Measure Type: None | Default Unit Id: None | Attribute Concept: None | Conceptual Domain: Text |
| Status: Active | Nillable: false | Pattern: None |
| Permissible Value(s) | Value | Value Meaning |
| | g/cm**3 | g/cm**3 is an abbreviation for gram per cubic centimeter, which is a unit of mass density. |
| | kg/m**3 | kg/m**3 is an abbreviation for kilogram per cubic meter, which is a unit of mass density (kilogram and meter are both SI base units). |