Portable Falling weight deflectometer railway equipment has become a hot topic in the field of road in the world to measure dynamic deflection of road surface and calculate the rebound modulus of road surface, FWD(falling weight deflectometer) become a popular inspection machine for testing the deflection of pavement to ensure the pavement quality; The use of the FWD provides accurate, reproducible, and repeatable structural data.
1. Easy to operate, and fully-automatic
2.“One-Key Operation” The whole testing task can be completed by one single person with pressing just one key on laptop.
3. Multi-functional and Professional
4. Strong and durable trailer base plate.
5. Equipped with laptop for wireless data transmission
6. GPS location and temperature measurement
7. Auto capture of deflection value and load value.
8. Continuous outdoor working.
9. Storage Battery Charging: charging by electric generator on the tractor.
10. Double Locking System: Hydraulic/ Mechanical
11. Emergency System: Lift the load plate when system breaks down.
12. Operation Options: Manual/ Automatic
13. Working status of load plate can be monitored on the screen.
14. Inertia Braking
15. Synchronized turn/break/back light and head warning light with the tractor
Hammer weight: | 450KG |
Moving speed: | 0~120km/hour |
Testing speed per point: | 25~30s |
Deflection type: | Magnet electric speed sensor |
Deflection sensor quantity: | 1~9pcs selectable (standard configure is 9pcs) |
Deflection range: | ±2500um |
Deflection accuracy: | 2% |
Deflection repeatability: | 1% |
Loading force: | 12~150KN (can extend to 250KN) |
Loading pulse shape | essentially half-sine |
Loading repeatability: | 2% |
Loading resolution | 0.1KN , 1Kpa |
Temp. Measuring range: | -50℃ ~ 100℃ |
Temp. Resolution: | 0.1℃ |
Temp. Accuracy | 0.50% |
DMI sensor type: | pulse coder |
DMI sensor quantity: | 1pc |
GPS locating: | horizontal within ±2meter |