46
Mode
Order
number
Project
Probe model
C5-2Fs
C5-2Ks
L11-4Ks
L11-4Gs
C8-5Ks
deviation(%)
Color
L
Service
frequency
（
MHz
）
2.0
3.5
2.5
3.5
5.0
6.0
6.0
7.5
6.0
6.5
M
Depth of
investigation
(mm)
≥
120
≥
120
≥
40
≥
40
≥
40
N
Relationship
between color
blood flow image
and gray-scale
image of the pipe
in which it is
located
coincide
coincide
coincide
coincide
coincide
O
Blood flow
direction
requirement
It can be
correctly
identified and
there is no
aliasing.
It can be
correctly
identified and
there is no
aliasing.
It can be
correctly
identified and
there is no
aliasing.
It can be
correctly
identified and
there is no
aliasing.
It can be
correctly
identified and
there is no
aliasing.
PW
P
Service
frequency
（
MHz
）
2.0
3.5
2.5
3.5
5.0
6.0
6.0
7.5
5.0
6.0
Q
Depth of
investigation(mm
)
≥
120
≥
120
≥
40
≥
40
≥
40
R
Velocity
measurement
deviation(%)
±
20
±
20
±
20
±
20
±
20
S
Accuracy of
position of
Vernier in
Doppler
sampling area
Near the wall of
the
vessel
, no
velocity
indication;
center of pipe,
maximum
velocity display
Near the wall of
the
vessel
, no
velocity
indication;
center of pipe,
maximum
velocity display
Near the wall
of the
vessel
,
no velocity
indication;
center of pipe,
maximum
velocity
display
Near the wall
of the
vessel
,
no velocity
indication;
center of pipe,
maximum
velocity
display
Near the wall
of the
vessel
, no
velocity
indication;
center of
pipe,
maximum
velocity
display