Nominal dimensions: 290 mm x 200 mm x 115 mm
Plan view
Material: Urethane rubber
Sound speed: 1450 ms/
Absorption: 0.5 dB/cm/MHz
Line Targets (left hand side):
Monofilament Nylon
Diameter: 0.12 mm
Anechoic Targets (centre section)
Cylindrical in shape filled with homogenous (nonscattering) material.
Diameter: 2 to 8 mm indicated at bottom of figure
Gray Scale Targets (right hand side)
Cylindrical in shape filled with scattering material. Diameter:
10 mm
Contrast is backscatter relative to background material (dB)