Gammex 403 GS LE, User Manual

Page: 13 / 26

13
Phantom Specifications
Physical Specifications
Weight.......................................................................... Approx. 2.8 kg (6 lbs. 5 oz.)
Dimensions............................................................................23.2 x 8.25 x 18.5 cm
...........................................................................(9.25 x 3.25 x 7.25 in.)
Scanning surface............................................................................Composite Film
Case material.........................................................................Extruded ABS plastic
Pin target material....................................................................Nylon monofilament
Tissue Mimicking Background Material
Water-based gel with appearance of human tissue.
Speed of sound................................................................................1540±10 m/s
Attenuation coefficient.........................................................0.7±0.05 dB/cm/MHz
.........................................................0.5±0.05 dB/cm/MHz
................................................refer to phantom side label
Nonlinearity parameter (B/A)..................................................................6.6±0.3
.......................6.7 (Accepted value for human liver tissue)
All acoustic measurements made at 4.5 MHz, 22ºC.
Due to our philosophy of continuous quality improvement,
all specifications are subject to change.