TERRATEST GmbH is a German manufacturer of light weight deflectometers for dynamic load bearing capacity test. This test is done to evaluate the compaction in road constructions, track laying, earthworks, infrastructure works, etc. We are known for the development and manufacturing of light weight deflectometers. Our light weight deflectometers are fully equipped with GPS system, printer, high-performance rechargeable battery, USB drive, text input function and PC-software.