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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
P waves logging example.
S waves logging example.