| Name | Description | Type | Package | Framework |
| Measurement | Represents a value with an error, a unit and a time-stamp. | Class | org.osgi.util.measurement | OSGI |
| State | Groups a state name, value and timestamp. | Class | org.osgi.util.measurement | OSGI |
| Unit | A unit system for measurements. | Class | org.osgi.util.measurement | OSGI |
| Measurement | Represents a value with an error, a unit and a time-stamp. | Class | org.osgi.util.measurement | KnoplerFish |
| State | Groups a state name, value and timestamp. | Class | org.osgi.util.measurement | KnoplerFish |
| Unit | A unit system for measurements. | Class | org.osgi.util.measurement | KnoplerFish |