| 摘要 |
The subject of the invention is a testing instrument for the determination of the roughness of road surfaces, which contains a bearing structure and a measuring part-unit connected to the bearing structure so that it can move. The characteristic feature of the invention is that the measuring part unit (30) has a signal receiving body (40) that touches the road surface (1) and is suitable for taking over the vibrations, and a sensing and signal transmitting member (50) fitted between the signal receiving body (40) and the bearing structure (20), the sensing and signal transmitting member (50), with the intervention of a data transmitting channel (60), is connected to a data recording unit (70) and/or signal processing and evaluation unit (80). |
