Light Weight Deflectometer (LWD)
| Company | Dynatest A/S |
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The Dynatest Light Weight Deflectometer (LWD) delivers the precision of a Falling Weight Deflectometer (FWD) in a compact, portable design. Equipped with a load cell and geophones, the LWD matches the accuracy of traditional FWD testing. It is ideal for assessing thin asphalt pavements, recycled materials stabilized with foamed bitumen, as well as unbound subbase and subgrade layers. The data gathered from the LWD enables reliable calculation of the strength across multiple pavement layers.
This advanced device complies fully with ASTM 2583, IAN73 (UK), Danish, and Italian standards for material modulus and compaction. Its robust build ensures dependable measurements even in the most remote locations.
The intuitive LWD App offers a streamlined interface for reviewing collected data and simplifies the process of capturing new test drops. It supports multiple export formats, allowing seamless transfer of datasets to the device, iCloud, or via email.
- Designed for efficient use by a single operator—saving time and labor on-site.
- Measures both compaction and stiffness of materials with the same device—no need for multiple tools.
- Easy to transport and set up on-site, reducing logistics and labor costs.
- Fast test cycle allows for close test point spacing, ensuring a thorough assessment of the homogeneity of the test section.
- Intuitive software and data handling for quick test setup, execution, and reporting.
- Built to withstand tough job site conditions, ensuring long-term operational reliability.
- Suitable for various soil types and construction phases—from roadworks to foundation testing.
- Effective in assessing trench backfill compaction to minimize future settlement issues.
Other Products From Dynatest A/S
Heavy Weight Deflectometer (HWD)
Fast Falling Weight Deflectometer (FastFWD)
Falling Weight Deflectometer (FWD)
Multi Functional Vehicle
