Mindray DC-80 - Measurement Accuracy

Measurement 8-5
8.4 Measurement Accuracy
Table 1 Error of 2D Images
Parameter
Value Range
Error
Distance
Full screen
Within ±3%.
Area
Full screen
Within ±7%.
Circ
Full screen
Within ±10%
Angle
Full screen
Within ±3%.
Volume
Full screen
Within ±10 %.
Distance (iScape)
Full screen
Within ±5 % (all probes except CB10-4E)
Full screen
Within ±10 % (CB10-4E probe)
Table 2 Error of 3D Images
Parameter
Value Range
Error
Distance
A/B/C sectional plane image (MPR)
Within ±5%. (not including Smart 3D)
Area
A/B/C sectional plane image (MPR)
Within ±7%. (not including Smart 3D)
Circ
A/B/C sectional plane image (MPR)
Within ±10%. (not including Smart 3D)
Angle
A/B/C sectional plane image (MPR)
Within ±5%. (not including Smart 3D)
Volume
A/B/C sectional plane image (MPR)
Within ±20 %. (not including Smart 3D)
Table 3 Time/Motion Measurements
Parameter
Value Range
Error
Distance
Full screen
Within ±3 %.
Time
Timeline Display
Within ±2%.
Heart rate
Timeline Display
Within ±4%.
Velocity (PW
mode)
10-200cm/s (for L12-3E, L14-6NE, L14-
6WE, DE10-3E, C11-3E, V11-3BE,
CB10-4E, SC5-1E, L16-4HE, D6-2NE,
DE11-3E, LM14-6E, L14-5WE, L9-3E,
V11-3E, V11-3HE, D8-2E, D7-2E, C5-1E,
C5-2E, C7-3E, C6-2GE, P7-3TE)
10-300cm/s (for P7-3E, P10-4E, SP5-1E,
P4-2NE)
When angle≤60º, ≤5%. (C11-3E:
angle≤60º, ≤7%)
Velocity (CW
mode)
10-200cm/s (for P7-3TE)
10-300cm/s (for P4-2NE, P7-3E, P10-4E,
SP5-1E)
When angle≤60º, ≤5%. (not
including pencil probe)
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.