Mindray DP-8300, Operator'S Manual

Page: 93 / 101

Accuracy of Measurement B-1
Appendix B Accuracy of
Measurement
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.
„ Depth and time
Item Error range
Depth ≤±
4% of full scale
M-mode image
time
≤± 0.3% of full scale
„ Accuracy of Measurement
Item Error range
Distance/Depth
≤±
4%, or <2 mm if measured value is less than 40 mm
Area (Trace)
≤± 8%, or <130 if measured value is less than 1600
2
mm
2
mm
Area (Ellipse)
≤±
8%, or <130 if measured value is less than 1600
2
mm
2
mm
Angle
≤±
3%
%stenosis Max. 1.0
≤±
7%
„ Time/Motion Measurements
Item Error range
Distance
≤±
4%, or <2 mm if measured value is less than 40 mm
Time
≤±
1%
Heart Rate ≤±
5%
Slope ≤± 5%
„ Volume Measurements
Item Error range
Volume
≤± 12%, or <8000 if measured value is less than 64000
3
mm
3
mm