Chison ECO 2 - Page 149

ECO 2 Ultrasound Diagnostic System
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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: THI-B+M
Index label
MI
TIS
TIB
TIC
At
surface
Below
surface
At
surface
Below
surface
Maximum index value
0.40
0.20
0.30
–
Index component value
0.14
0.20
0.22
0.30
Acoustic
Paramete
rs
p
r,α
at Z
MI
Mpa
0.66
P
mW
23.55
23.55
–
P
1x1
mW
3.38
3.38
Z
s
cm
3.05
Z
b
cm
3.54
Z
MI
cm
2.85
z
pii,α
cm
2.91
f
awf
MHz
3.48
3.50
3.45
–
Other
Informatio
n
prr
Hz
2293.6
0
srr
Hz
17.92
n
pps
1
I
pa,α
at z
pii,α
W/cm
2
15.02
I
spta,α
at z
pii,α
or
z
sii,α
mW/cm
2
17.33
I
spta
at z
pii
or z
sii
mW/cm
2
33.56
p
r
at z
pii
Mpa
0.87
Operating
Control
Conditons
Focus
cm
5.00
11.00
6.00
–
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.