Supports the following standards: ASTM D6758
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Features include:

  • Dynamically measures in-place engineering properties using structural layer stiffness, MN/m (klbf/in) and Young's Modulus of a material, MPa (kpsi)
  • In-place QC/QA links compaction and material performance directly to design requirements while advancing Mechanistic-Empirical Pavement Design
  • Enables maximum lift stiffness with minimum compactive effort
  • Facilitates uniform stress transmission and distribution from pavement to subgrade resulting in longer pavement life, reduced maintenance costs and longer lasting surface smoothness.
  • Enables reduced structural variability in construction
  • In-place QC/QA of the strength gain of stabilized materials
  • Data base development supporting Mechanistic-Empirical Design and performance specifications
  • Portable, fast, simple, reliable, non-invasive
  • Other compaction applications include: lime, cement, fly-ash and polymer stabilized materials, cement-treated and rehabilitated bases, large particle aggregate bases, as well as underground utility backfills
  • Gauge includes simple, easy-to-use software application, which provides download and storage of test data. Application allows printing of data reports, as well as saving information in other fornats (.pdf, .csv and Rich Text) for importing data into other programs


Layer Stiffness: 17 to 400 klbf/in (3 to 70 MN/m)
Young's Modulus (in place): 4 to 90 kpsi (26 to 610 mPa)
Measuring Depth: 9 to 12 inces (230 to 310 mm)
Peasuring Duration: 75 seconds
Power: six D-cell batteries (1000 to 1500 measurements)
Dimensions: gauge only: 11" dia. x 10.5" high (280 x 270 mm)
carrying case: 18.5" x 16.5" x 13" (470 x 420 x 330mm)
Net Weight: gauge only: 22 lbs. (10 kg)
with case: 24 lbs. (15.5 kg)


Part Number & Name
Verifier Mass for GeoGauge
Calibration Platen
Infrared Data Cable
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Manuals, Data Sheets & Safety Data Sheets

GeoGauge (Data Sheet PDF)

H-4140-man (Product Manual PDF)



ASTM D6758

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