Durable good quality Road Roughness Meter/Eight wheels Pavement Evenness Tester

1. Displacement measuring range: 0-40mmm (-20 ~ + 20mm) Accuracy: 0.25mm (static)

2. Distance measuring range: Unlimited Accuracy: 0.1m

3.Measuring wheel outer diameter: 160 ± 1mm measuring wheel rubber surface hardness: HA (55-70)

4. Collector Power supply: AA Size (5 Hao) × 4

5.Wireless Frequency: 433MHZ

6. Communication distance: open area 200m Visualization

7.The main controller power supply: AC220V or 12V car power

8. Dimensions :( L × height × width mm)
4061 × 800 × 600 Elongation: 4061 mm; shortened: 2750 mm.

9. The whole instrument weight: about 230Kg.

10.Can be manually or motor vehicle towing a minimum turning radius of 5 m, the detection rate is preferably 6-8 km / h, the maximum speed does not exceed 12km / h. Non-testing situation (shortened chassis, measuring wheel hanging from) traction speed (25 km / h).

11.Optional dedicated external rechargeable power supply, with eight meter main controller seamlessly controls directly into the interior, easy to use.