Youkey Q7 Instructions For Use Manual page 46

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