1.Vertical ranging error:±0.5mm 

2.Test speed: flatness 20~120km/h 

3.Structure depth measurement repeatability: ≤ 10% 

4.Structure depth measurement range:0~3mm 

5.Test speed: structure depth 0~120km/h 

6.Rutting measurement range:0~100mm 

7.Number of sampling points in cross section: ≥13 

8.Effective detection width of the transverse section: ≥3.5m 

9.Rutting depth measurement repeatability: ≤ 5% 

10.Testing speed: rutting depth 0~120km/h