Measurement Accuracy - Mindray DC-40 Operator's Manual

8.4

Measurement Accuracy

Table 1 Error of 2D Images
Parameter
Distance Full screen
Area Full screen
Circ Full screen
Angle Full screen
Volume Full screen
Table 2 iScape Measurements
Parameter
Full screen
Distance
Full screen
Table 3 Time/Motion Measurements
Parameter
Distance Full screen
Time Timeline Display
Heart rate Timeline Display
10-200cm/s: (for L14-
6NE, 7L4A)
Velocity (PW
mode)
10-300cm/s: (for P4-2,
D7-2E, V11-3, 3C5A)
Velocity (CW
10-300cm/s (for P4-2)
mode)
Table 3 Doppler Velocity Measurements
Parameter
Velocity (PW mode)
Velocity (CW mode)
Velocity (Color mode)
Within the selected field range, the measurement accuracy is ensured within
NOTE:
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.
Value Range
Within ±2%
Within ±6%
Within ±7%
Within ±3%.
Within ±7 %
Probe Type
Value Range
Min.≤0.10cm/s, Max.≥462cm/s
Min.≤0.06cm/s, Max.≥3080m/s
Min.≤1cm/s, Max..≥239.5cm/s
Error
Error
Within ±5 % (L14-6NE, L12-3E, P4-2,
D7-2E, 3C5A, 7L4A probe)
Within ±10 % (V11-3 probe)
Error
Within ±3 %
Within ±2%
Within ±3%
When angle≤60º, ≤5%.
When angle≤60º, ≤5%. (not including pencil
probe)
Value Range
Measurement 8-5