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Portable Falling weight deflectometer railway equipment

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Portable Falling weight deflectometer railway equipment is one of the most advanced non-destructive testing equipment of road surface strength in the world. It 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.The use of the FWD provides accurate, reproducible, and repeatable structural data.
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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



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