FujiFilm VisualSonics Vevo MD, User Manual

Page: 408 / 463

2D
Measurement
Accuracy and
Range
System
Tolerance
a
Accuracy By Test Method Range
(vertical) of full scale
Linear distance
(horizontal) ˂± 2% plus 1%
of full scale
Acquisition Phantom 0-32 mm
Traced area
˂± 3% plus 1%
of full scale
Acquisition Phantom 0-1206.2 mm
2
Traced
distance ˂± 2% plus 1%
of full scale
Acquisition Phantom 0-139 mm
a. Full scale for distance implies the maximum depth of the image.
2D
Measurement
Accuracy and
Range
System
Tolerance
Accuracy By Test Method Range
Distance
˂± 2% plus 1%
of full scale
a
Acquisition Phantom 0.35.5 mm
Time
˂± 0.2% plus
1% of full
scale
b
Acquisition Phantom 0.30 sec
a. Full scale for distance implies the maximum depth of the image.
b. Full scale for time implies the total time displayed on the scrolling graphic image.
M-Mode Measurement Accuracy and Range
Sources of measurement errors
In general, two types of errors can be introduced into the measurement:
408 Appendices