| Class | Description | |
|---|---|---|
 | AngleUnit | Contains settings for unit used for angle. |
| AreaUnit | Contains settings for unit used for area. |
| BaseUnit | Defines settings for selecting unit for quantities displayed in Harness proD. |
| CapacityUnit | Contains settings for unit used for capacity. |
| CurrencyUnit | Contains settings for unit used for currency. |
| CurrentUnit | Contains settings for unit used for current. |
| LengthDensityUnit | Contains settings for unit used for linear density. |
| LengthUnit | Contains settings for unit used for length. |
| MassUnit | Contains settings for unit used for mass. |
| PowerUnit | Contains settings for unit used for power. |
| ResistanceUnit | Contains settings for unit used for resistance. |
| ResistivityUnit | Contains settings for unit used for resistivity. |
| TemperatureUnit | Contains settings for unit used for temperature. |
| TimeUnit | Contains settings for unit used for time. |
| UnitSymbol | Specifies the symbols for Unit used in Harness proD. |
| VoltageUnit | Contains settings for unit used for voltage. |