Chison ECO 2 - Page 151

ECO 2 Ultrasound Diagnostic System
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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.
Transducer Model: C3-A
Operating Mode: PW
Index label
MI
TIS
TIB
TIC
At
surface
Below
surface
At
surface
Below
surface
Maximum index value
0.60
0.40
0.70
–
Index component value
0.35
0.40
0.66
0.70
Acoustic
Parameter
s
p
r,α
at Z
MI
Mpa
1.00
P
mW
36.00
36.00
–
P
1x1
mW
5.17
5.17
Z
s
cm
2.50
Z
b
cm
4.95
Z
MI
cm
4.46
z
pii,α
cm
5.00
f
awf
MHz
2.89
3.90
2.89
–
Other
Informatio
n
prr
Hz
4386.00
srr
Hz
–
n
pps
1
I
pa,α
at z
pii,α
W/cm
2
36.31
I
spta,α
at z
pii,α
or
z
sii,α
mW/cm
2
35.20
I
spta
at z
pii
or z
sii
mW/cm
2
58.54
p
r
at z
pii
Mpa
1.60
Operating
Control
Conditons
Focus
cm
9.00
6.00
13.00
–
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.