Chison ECO 1VET, Руководство по эксплуатации

Страница: 137 / 173

ECO Series VET Digital Color Doppler Ultrasound System
122
Transducer Model: R7-A
Operating Mode: THI-B+M
Index label
MI TIS TIB TIC
At
surface
Below
surface
At
surface
Below
surface
Maximum index value 0.30 0.30 0.10
–
Index component value 0.25 0.30 0.05 0.10
Acoustic
Parameters
p
r,α
at Z
MI
Mpa 0.83
P mW 10.00 10.00
–
P
1x1
mW 2.45 2.45
Z
s
cm 1.25
Z
b
cm 1.30
Z
MI
cm 1.35
z
pii,α
cm 1.40
f
awf
MHz 6.72 6.81 6.79
–
Other
Information
prr Hz 668.90
srr Hz 5.23
n
pps
1
I
pa,α
at z
pii,α
W/cm
2
34.22
I
spta,α
at z
pii,α
or
z
sii,α
mW/cm
2
35.52
I
spta
at z
pii
or z
sii
mW/cm
2
56.44
p
r
at z
pii
Mpa 1.12
Operating
Control
Conditons
Focus cm 4.00 7.50 3.50
–
Power % 100 100 100
–
NOTE 1 Only one operating condition per index.
NOTE 2 Data should be entered for “at surface” and “below surface” both in the columns related to TIS or
TIB.
NOTE 3 Information need not be provided regarding TIC for any TRANSDUCER ASSEMBLY not intended
for
transcranial or neonatal cephalic uses.
NOTE 4 If the requirements of 201.12.4.2a) are met, it is not required to enter any data in the columns related
to TIS, TIB or TIC.
NOTE 5 If the requirements of 201.12.4.2b) are met, it is not required to enter any data in the column related
to MI.
NOTE 6 The depths z
pii
and z
pii,α
apply to NON-SCANNING MODES, while the depths z
sii
and z
sii,α
apply to
SCANNING MODES.