Samsung SONOACE R3 Bedienungsanleitung Seite 129

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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 accurate measurements, an accuracy check should be performed at least once
per year. If the measurement accuracy falls outside the ranges specified in the following table,
contact Samsung Medison Customer Service.
2D Mode
Measurements
System Tolerance:
(Whichever is greater)
Test
Methodology
Accuracy
(1)
Based on
Range
(2)
Axial Distance < +/- 4% or 2mm Phantom Acquisition .01 – 25 cm
Lateral Distance < +/- 4% or 2mm Phantom Acquisition .01 – 35 cm
Axial Resolution < +/- 4% or 3mm Phantom Acquisition .01 – 25 cm
Lateral Resolution < +/- 4% or 3mm Phantom Acquisition .01 – 35 cm
(1) The accuracy of the measurement diers depending on the user’s skill level as well as the table above.
(2) The unit of distance and circumference is cm. It is given in up to two decimal points.
M Mode
Measurements
System Tolerance:
(whichever is greater)
Test
Methodology
Accuracy
(1)
Based on
Range
(2)
Depth <+/- 5% or 3 mm Phantom Phantom 1 - 25 cm
Time < +/- 5%. Signal generator Phantom .01 - 11.3 sec
(1) The accuracy of the measurement diers depending on the user’s skill level as well as the table above.
(2) The unit of distance and circumference is cm. The unit of velocity is cm/s. It is given in up to two
decimal points.
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