Features:

• High energy shear-wave source has typically 20x power of conventional sonic probes
• Low-frequency measurement,
  more representative of engineering situations
• Stacking of multiple shots
• Probe separates for shipping
• Real-time wavelet (wiggle) display
• Compatible with Robertson Geo Micrologger2

Measurements:

• Formation compressional wave velocity
• Formation shear-wave velocity

Applications:

• Site Investigation - foundation studies, windfarms, offshore structures, dam safety
• Physical properties of soil/rock - shear modulus, bulk modulus, compressibility and Poission’s ratio
• Earthquake engineering
  - characterization of strong motion sites
• Velocity control for seismic reflection surveys
• Engineering

Operating Conditions:

• Borehole type: open-hole, water-filled
• Recommended Logging Speed: Static measurements

Specifications:

• Diameter: 50mm
• Assembled length: 6.07m - 7.07m (1 or 2m filter)
• Shipping case length: 1.45m (4.75ft)
  supplied in two transport cases
• Assembled weight: 26.5kg - 28kg (1 or 2m filter)
• Max. temperature: 70°C
• Max. pressure: 6.5MPa
• Transducer type: solenoid and hammer
• Receiver type: 3D hydrophones (p), geophones (s)
• Receiver spacing: 1000mm (3.28ft)
• Waveform acquisition period: 5.12mS to 409.6mS
• Sampling: 2.5μs minimum
• Down-hole gain: 0db to 42db (surface control)

Part Numbers:

• I002244    PS Logger® probe in carrying case