| 摘要 |
The portable data acquisition device (1) has a computing device, a control unit and a communication unit, which is formed for receiving the transmitted counter information of a counter unit. The counter unit is provided for detecting the consumption or for communicating or for collecting detected consumption data. The data acquisition device has a display device (2) formed for fastening to a head of a user in the field of view. The counter information are displayed visibly on the display device controlled by the computing device. |
