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7-4 Measurement
7.4 Measurement
Accuracy
Table 1 Error of 2D Images
Parameter
Value Range
Error
Distance
Full screen
Within ±4%
Area
Full screen
Within ±8%
Circumference /
Within
±20%
Angle
Full screen
Within ±3%.
Distance (iScape) Full screen
Linear and convex-wide probe: within ±10%
Micr-convex probe: within ±15%
Table 2 Volume Measurements
Parameter
Value Range
Error
Volume
Full screen
Within ±12%.
Table 3 Time/Motion Measurements
Parameter
Value Range
Error
Distance
Full screen
Within ±4%
Time
Timeline Display
Within ±2%.
Heart rate
Timeline Display
Within ±5%.
PW velocity
10cm/s~200cm/s
≤
±10% (correction angle
≤
60º)
NOTE:
Within the selected field range, the measurement accuracy is ensured within the
range mentioned above. The accuracy specifications are performance in the worst
conditions, or based on the real test for the system, regardless of acoustic speed
error.