SPECIFICATIONS:

Tissue Mimicking Material

Speed of Sound . . 1540 ±10 m/s

Attenuation . . . . 0.5 or 0.7 ±0.05 dB/cm/MHz

Grey Scale Targets

Contrast . . . . . . . -6, +6, & +12 dB relative

                               to background

Diameter . . . . . . 7 mm

Speed of Sound . . 1540 ±10 m/s

Attenuation . . . . 0.5 or 0.7 ±0.05 dB/cm/MHz

Anechoic Cysts

Diameters . . . . . 1, 2, 4, and 7 mm

Speed of Sound . . 1540 ±10 m/s

Attenuation . . . . 0.05 ±0.01 dB/cm/MHz

Blood Mimicking Fluid

Density . . . . . . . 1.03 g/cc

Speed of Sound . . 1550 ±10 m/sec

Scatter Size . . . . 4.7 micron average

Vessels

Size. . . . . . . . . . 4 mm inside diameter

Location . . . . . . horizontal 2 cm below surface; diagonal at 35 degrees from 1.5 cm below surface

Electronic Flow Control System

Measurable

Velocities . . . . . . 0-174 cm/sec

Pulsatile

Flow Mode . . . . . preprogrammed for

0.25-2 seconds/pulse

Pin Targets

Diameter of nylon lines . . . . . 0.1 mm (0.004 in)

Vertical Spacing. . 5 mm at 1 cm to 9 cm deep

Horizontal

Spacing . . . . . . . 10 mm at 1 cm and 5 cm  deep

Container Construction

Size. . . . . . . . . . 22.9x15.9x21.9 cm  

                           (9x6.25x8.625 in)

Weight. . . . . . . . 4.4 kg (9.5 lbs)

AC Input Voltage.....110 vac - 240 vac

                                   50-60Hz

Battery. . . . . . . LI-ion, rechargeable,

                           universal charger and

                           plugs included

All acoustic measurements at 4.5 MHz, 22° C