22
Doppler Mode Phantom Specifications
Electrical Ratings
AC/DC Power Supply Requirements....................................................................110/230V AC ±10%
......................................................................................................50/60 Hz, 19W
INDOOR USE ONLY!
Environmental Conditions
IPXX...........................................................No special protection against ingress of liquids or dust.
Operating Temperature................................................................................................0 to +40ºC
Storage Temperature..................................................................................................0 to +40ºC
Humidity.........................................................30-85% Relative Humidity (No dew condensation)
Tissue Mimicking Blood Material
Speed of Sound.........................................................................................................1550±10 m/s
Density.......................................................................................................................1.03 g/cm³
!"
Particle concentration.......................................................................................................20 mg/ml
Total volume..................................................................................................approximately 200 ml
Viscosity....................................................................................3.8 x 10
-3
Pa s (-0.11 x 10
-3
Pa s/ºC)
Vessel
Speed of sound............................................................................................................1550±10 m/s
Density.......................................................................................................................1.03 g/cm³
Inner Diameter.......................................................................................................................5 mm
Wall thickness........................................................................................................................1.25 mm
Positions
Horizontal......................................................................................................at 2 cm deep
Diagonal.................................................................................40º from 2 cm deep (at wall)
Re....................................................................................................................850 at max velocity
L................................................................................................................10.5 cm at max velocity
Flow Meter
Type.....................................................................................................................in-line turbine
Accuracy................................................................................................better than 1.5% F.S.*
*The microprocessor-based flow controller within the 1425A produces accurate flow rates from
1.7 to 12.5 ml/sec with better than 1.5% Full Scale Accuracy. However, the accuracy of the
1425A system as a whole is based on a number of factors, including (but not limited to) tem-
perature, flow setting, ultrasound settings, etc. The accuracy of the complete 1425A system
may vary. For more information, see pages 19-21, Accurracy of Flow Velocity Readout.
If equipment is used in a manner not specified by Gammex,
the protection provided by this equipment may be impaired.
Use only the approved AC/DC converter supplied by Gammex.
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