Mindray TE7T - Measurement Accuracy

7-4 Measurement
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 non-
transcranial application)
10-300cm/s (for transcranial
application)
When angle≤60º, ≤5%.
Velocity (CW mode)
10-200cm/s (for non-
transcranial application)
10-300cm/s (for transcranial
application)
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.