Cat Compact with Compaction Meter Value (CMV)

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CMV - Compaction Meter Value is an accelerometer based system that provides an indication of material stiffness. The system is available on smooth drum vibratory soil compactors and tandem vibratory asphalt compactors. It measures only when the vibratory system is active, and provides a unitless value calculation derived from the recorded data that indicates composite stiffness.

For Soil Applications: For smooth drum compactors only. It is capable of measuring from 1 to 1.2 m ( 3.3 - 4 ft) deep depending on site conditions and is suitable for use on granular soils. Not recommended on cohesive soils.

For Asphalt Applications: Utilizes drum-mounted accelerometers to measure and record composite stiffness of the asphalt layer, base layer, and sub-base material.

Application Asphalt Compaction, Base Construction, Earthworks Asphalt Compaction, Base Construction, Earthworks Less
Machine Compatibility Vibratory Soil/Aggregate Compactors, Asphalt Compactors Vibratory Soil/Aggregate Compactors, Asphalt Compactors Less

Consistent quality

  • Helps the operator produce uniform compaction. On asphalt applications, can help indicate base structure health.

Optimizes efficiency

  • Empowers operator to determine when compaction meets target value and move on to the next job preventing unnecessary passes
  • Measures only when vibratory system is active
  • Provides indications of soil stiffness
  • CMV (Compaction Meter Value) is accelerometer-based
  • Measures deep: 1 to 1.2 m (3.3 to 4 ft), depending on materials

Applications and machine types

  • Suitable for granular applications
  • For use on smooth drum (CS) machines only