TBT Fallling weight deflectometer FWD

Automatic Falling Weight Deflectometer (FWD)

Trailer type & Single point / multi point

Technical specification:

1. Hammer weight: 450KG

2. Moving speed: 0~120km/hour

3. Testing speed per point: 25~30s

4. Deflection type: magnetoelectic speed sensor

5. Deflection sensor q’ty: 1~9pcs selectable(standard config is 9pcs)

6. Deflection range: ±2500um

7. Deflection accuracy: 2%

8. Deflection repeatability: 1%

9. Loading force: 12~150KN (can extend to 250KN)

10. Loading pulse shape; essentially half-sine

11. Loading repeatability: 2%

12. Loading resolution; 0.1KN , 1Kpa

13. Temp. Measuring range: -50C ~ 100C

14. Temp. Resolution: 0.1C

15. Temp. Accuracy; 0.5%

16. DMI sensor type: pulse coder

17. DMI sensor q’ty: 1pc

18. GPS locating: horizontal within ±2meter