Samsung H60 Bedienungsanleitung Seite 125

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8-7
Chapter 8 Measurements and Calculations
Measurement Accuracy Table
The following tables show the accuracy of the measurements that can be taken using this product. Ensure
that the results of measurement accuracy checks are kept within the ranges specified in the table. Except
for certain applications or probes, the following accuracy ranges should be maintained for measurement
of distance on a straight line.
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 the Samsung Medison Service Department.
2D Mode
Measurements
System Tolerance
(Whichever is greater)
Test
Methodology
Accuracy
Based on
Range
Axial Distance < ± 4% or 1mm Phantom Acquisition Full Screen
Lateral Distance < ± 4% or 2mm Phantom Acquisition Full Screen
M Mode
Measurements
System Tolerance
(whichever is greater)
Test
Methodology
Accuracy
Based on
Range
Depth < ± 5% or 3 mm Phantom Acquisition 1 ~ 25 cm
Time < ± 5% Signal generator Acquisition 0.01 ~ 11.3 sec
PW/CW Spectral Doppler Mode
Doppler Measurement
System Tolerance
(whichever is greater)
Test Methodology Range
Velocity < ± 15% Phantom
PW: 0.1 cm/s - 8.8 m/s
CW: 1 cm/s – 19.3 m/s
Time < ± 5% Signal generator 10 ms ~ 9.44 s
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