Samsung MySono U5 Manual do Utilizador Página 167

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Chapter 5 Measurements and Calculations
5-7
Measurement Accuracy Table
The following tables show the accuracy of the measurements available using the product. Ensure that
the results of measurement accuracy checks are kept within the ranges specied in the table. Except for
certain applications or probes, the following accuracy ranges should be maintained for measurement of
a straight distance.
NOTE: To ensure measurement accuracy, an accuracy check should be performed at least once a
year. If the measurement accuracy falls outside the ranges specified in the following table, contact
Samsung Medison Customer Service.
2D Mode
These are measurement results taken with the RMI413 Phantom.
Measurement Type Range Accuracy Notes
Axial Distance 0.01-25.00cm ± 1% or ± 0.1cm Acquisition
Lateral Distance 0.01-35.00cm ± 2% or ± 0.2cm Acquisition
Diagonal Distance 0.01-25.00cm ± 2% or ± 0.2cm Acquisition
Area 0.01-1000.00cm
2
± 4% or 0.25cm
2
Acquisition
Circumference 0.03-10000.00cm ± 3% or ± 0.2cm Acquisition
Ellipse Area 0.01-1000.00cm
2
± 0.01cm
2
Algorithmic
Ellipse Circumference 0.03-10000.00cm ± 0.01cm Algorithmic
Volume 0.01-60601.51cm
3
± 8% Acquisition
M Mode
These are measurement results taken with the RMI413 Phantom.
Measurement Type Range Accuracy Notes
Depth 0.01-25.00cm
± 1% or ± 0.1cm Acquisition
Time 0.01-11.3sec +/- 2% of time measurement Acquisition
Slope 0.01-1000.00cm/s
± 0.01cm/sec Algorithmic
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