
8-8
User Manual
PW/CW Spectral Doppler Mode
Doppler
Measurements
Accuracy
(Whichever is greater)
Test
Methodology
Accuracy
Based on
Range
Velocity < ± 15% Phantom Acquisition 0.1 cm/s – 8.8 m/s
Time < ± 5% Signal Generator Acquisition 10 ms – 9.44 s
Heart Rate < ± 5% or 1 bpm Calculation Equation 1 – 43,200 bpm
h