Samsung MYSONO U6 Manuel d'utilisateur Page 49

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1-31
Chapter 1 Safety
The document includes analysis and discussion of the sources of error / measurement eects due
to:
X
Balance system calibration.
X
Absorbing (or reecting) target suspension mechanisms.
X
Linearity of the balance system.
X
Extrapolation to the moment of switching the ultrasonic transducer (compensation for ringing
and thermal drift).
X
Target imperfections.
X
Absorbing (reecting ) target geometry and nite target size.
X
Target misalignment.
X
Ultrasonic transducer misalignment.
X
Water temperature.
X
Ultrasonic attenuation and acoustic streaming.
X
Coupling or shielding foil properties.
X
Plane-wave assumption.
X
Environmental inuences.
X
Excitation voltage measurement.
X
Ultrasonic transducer temperature.
X
Eects due to nonlinear propagation and saturation loss.
The overall ndings of the analysis give a rough Acoustic Power accuracy gure of +/- 10% for the
frequency range of 1 - 10 MHz.
Training
The users of this ultrasound system must familiarize themselves with the ultrasound system to
optimize the performance of the device and to detect possible malfunctions. It is recommended
that all users receive proper training before using the device. You can receive training on the use of
the product from the Samsung Medison service department, or any of the customer support centers
worldwide.
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