Device category 
This component manages device categories. Each device belongs to a certain device category. The device category groups together all devices with similar features (for example, price class, register group, or certification data).
The various device categories can then be allocated to the following basic device categories :
Meter
Transformer
Audiofrequency ripple control receiver
Remote meter
Counter
Corrector
Pressure regulator
Sensor
Other
One device category can also be a combination of different device categories.
The device category corresponds to the material in the Logistics Basic Data (LO-MD) application component.
For more information, see LO-MD:
Serial Number Management