Mindray TE7 - Measurement Accuracy

Measurement 7-3
 Gynecology measurements - used for the uterus, ovary and follicles, etc.
 Small Part measurements - used for small parts such as the thyroid, breast, MSK, superficial.
 Urology measurements - used for the prostate, renal, micturated and testicular volume.
 Vascular measurements - used for carotid, cerebral, upper and lower extremities vessels, etc.
 EM measurements - used for EM-related full functional measurements.
 Nerve measurements - used for nerve measurements.
7.4 Measurement Accuracy
Table 1 Basic Dimension Measurements
Parameter
Range
Error
Distance
Full Screen
Within ±4%
Area (ellipse, circle)
Full Screen
Within ±7%
Trace Area
Full Screen
Within ±7%
Circ
Full Screen
Within ±10%
Angle
Full Screen
Within ±3%
Volume
Full Screen
Within ±12 %
Table 2 Basic Time Motion Measurements
Parameter
Range
Error
Distance
Full Screen
Within ±4 %
Time
Timeline Display
Within ±2%
Heart Rate
Timeline Display
Within ±5%
Velocity (PW mode)
10-200cm/s (for C5-2s, C11-3s,
L12-4s, L7-3s, L14-6s, L14-
6Ns, V11-3Ws, 7LT4s, P7-3Ts,
L14-5sp, L20-5s, 7L4s, SC6-1s,
6CV1s, L9-3s, C5-1s, C4-1s,
L11-3VNs, L12-3RCs, L14-
5Ws)
10-300cm/s (for P4-2s, P10-4s,
P7-3s, SP5-1s)
When angle≤60º, ≤5%.
Velocity (CW mode)
10-200cm/s (for P7-3Ts, C4-1s)
10-300cm/s (for P4-2s, P10-4s,
P7-3s, SP5-1s)
When angle≤60º, ≤5%. (not including
pencil probe)
NOTE:
Within the selected field range, measurement accuracy is ensured within the range
mentioned above. The accuracy specifications are performed in the worst conditions,
or based on real system tests, regardless of acoustic speed error.