Mindray DC-80A, Operator'S Manual

Page: 205 / 391

Measurement 8-5
8.4 Measurement Accuracy
Table 1 2D Image Measurements
Parameter Range Error
Distance Full Screen Within ±3%
Trace Area Full Screen Within ±7%
Circ Full Screen Within ±10%
Angle Full Screen Within ±3%
Volume Full Screen Within ±10 %
Distance
(iScape)
Linear probes,
convex probes,
and phased
array probes
Full Screen Within ±5 %
Micro-convex
probe
Full Screen Within ±10 %
Table 2 Basic Time Motion Measurements
Parameter Range Error
Distance Full Screen Within ±3 %
Time Timeline Display Within ±2%
Heart Rate Timeline Display Within ±4%
Velocity (PW
mode)
10-200cm/s (C11-3E,
L12-3E, L9-3E, DE11-3E,
V11-3HE, SC6-1E, SD8-
1E, L14-5WE, L20-5E,
SC5-1NE)
10-300cm/s (SP5-1E P7-
3E)
When angle≤60º, ≤±5%.
Velocity (CW
mode)
10-200cm/s
10-300cm/s (SP5-1E P7-
3E)
When angle≤60º, ≤±5%. (not including pencil
probe)
Table 3 3D/4D image measurements
Parameter Range Error
Distance Section A/B/C
Single window display: Within ±5% (not including Smart 3D
mode)
Trace Area Section A/B/C
Single window display: Within ±7% (not including Smart 3D
mode)
Circ Section A/B/C
Single window display: Within ±10% (not including Smart 3D
mode)
Angle Section A/B/C
Single window display: Within ±5% (not including Smart 3D
mode)