GE Versana Essential - Page 139

Measurement and Analysis
Versana Essential – User Guide 2-73
5759238-100 English Rev. 2
Basic Measurements (continued)
Table 2-8: System Measurements and Accuracies
Measurement Units Useful Range Accuracy
Limitations or
Conditions
Depth mm Full Screen <=10%
Angle degree Full Screen <=5%
Distance:
Axial mm Full Screen <5%
Lateral mm Full Screen <5% Linear Probes
Lateral mm Full Screen <5% Convex Probes
Lateral mm Full Screen <5% Sector Probes
Circumference:
Trace mm Full Screen <=10% Linear Probes,
Convex Probes,
Sector Probes
Ellipse mm Full Screen <=5% Linear Probes,
Convex Probes,
Sector Probes
Area:
Trace
mm
2
Full Screen <=5% Linear Probes,
Convex Probes,
Sector Probes
Ellipse
mm
2
Full Screen <=5% Linear Probes,
Convex Probes,
Sector Probes
Time s Timeline Display <5% M mode, AM mode,
CM mode, PWD
mode, CWD mode
Slope mm/s Timeline Display <=10% M mode, AM mode,
CM mode,
Doppler SV Position mm Full Screen <=2 mm PWD mode
Doppler Velocity cm/s Form 0 to 100 cm/
s
<15% PWD mode, CWD
mode
From 100 to 130
cm/s
<10%
Doppler Angle
Correction
cm/s From 0-80° <=5% PWD mode