Kamis, 28 September 2017

Light Weight deflectometer


The dynamic plate load test performed with the Lightweight deflectometer is used to determine the soil bearing capacity and compaction quality of soils and non-cohesive subbases, as well as for soil improvement applications. Built-in soil layers can easily be tested without load abutment, facilitating quick assessments of test lots even under limited space conditions. The test method is suited to coarse-grain and mixed grain soils with a maximum grain size of 63mm and can be used to determine the dynamic modulus of deformation of soil in the range Evd = 15 to 70 MN/m².

  • Road and railway construction, earth moving
  • Quality assurance in canal construction
  • Compaction monitoring in pipe trenches and cable ducts
  • Testing of pavement bedding
  • Testing of foundation backfill
  • Quality inspection in boreholes
  • Testing of modulus of deformation in line with soil exploration


  • Fast and cost-saving: maximum 2 minutes per measuring point
  • No vehicle required
  • Immediate on-site evaluation of test results
  • It can be easily operated and carried by one person only
  • Testing can be achieved in difficult to reach locations


Total weight: 15 kg
Drop weight: 10 kg
Maximum impact force: 7.07 kN
Duration of impact: 17 ms
Material: zinc coated/hard-chrome plated steel
Diameter: 300 x 20 mm
Total weight: 15 kg
Material: zinc coated steel
Electronicsettlementmeasuring instrument
Interfaces: USB, Thermal-Printer, GPS, PC software included
Power supply: 4 x R6 batteries
Dimensions: 210 x 100 x 45 mm
Settlement measuring range: 0.1 to 2.0 mm ± 0.02 mm
Measuring range: Evd
Temperature range: 0 to 40°C
Storage capacity of measured data: 500 series

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