CVA-100 Circumferential Velocity Anisotropy Apparatus

  • P-wave and S-wave ultrasonic velocity transducers (source and receiver), which come in standard frequencies of 200 kHz or 1 MHz
  • Provides map of P-wave and S-wave velocities vs. orientation angle and height
  • High-quality anodized aluminum construction of the base, columns and the supporting jig for the ultrasonic transducers
  • Pneumatic actuators with return toggle switch for quick and accurate transducers positioning on the specimen
  • Turntable with precise Vernier scale for precise measurement of angular orientation of the specimen
  • 100 mm (4 inch) maximum specimen diameter
  • 40 cm (H) x 32 cm (W) x 30 cm (L), 20 kg mass


The GCTS CVA-100 Circumferential Velocity Anisotropy Apparatus is used to determine the compression P-wave velocities and shear S-wave velocities in rock core specimens in different orientations. This apparatus, when used with a GCTS ULT-200 or other suitable ultrasonic measurement device, can obtain velocity versus angle and height data with relative ease and precision.


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