Chison ECO 6 - Page 188

ECO 6 Digital Color Doppler Ultrasound System
175
Acoustic Output Table
System: ECO 6
Transducer Model: P3-A Operating Mode: B+C+PW
Index Label
MI
TIS
TIB
TIC
Scan
non-scan
non-scan
A
aprt
≤1
A
aprt
>1
Global Maximum Index Value
0.8
0.5
1.2
Associated
Acoustic
Parameter
p
r.3
p
r,α
(MPa)
1.25
W
o
P
(mW)
122.88
min of [W
.3
(z
1
),
I
TA.3
(z
1
)]
min of
[Pα(Zs),Ita,α(Zs)]
(mW)
80.74
z
1
Z
s
(cm)
3.1
z
bp
Z
bp
(cm)
2.9
z
sp
Z
b
(cm)
5.4
Z
@PII
.3max
Z at max I
pi α
(cm)
6.0
d
eq
(z
sp
)
d
eq
(Z
b
)
(cm)
0.40
f
c
f
awf
(MHz)
1.99
1.98
1.99
Dim of A
aprt
Dim of A
aprt
X (cm)
1.92
1.92
Y (cm)
1.58
1.58
Other
Information
PD
t
d
(µsec)
1.83
PRF
prr
(Hz)
5049
p
r
@PII
max
p
r
at max I
pi
(MPa)
1.81
d
eq
@PII
max
d
eq
at max I
pi
(cm)
0.40
Focal Length
Focal Length
FL
x
(cm)
0.32
FLy
(cm)
0.39
I
PA.3
@ MI
max
I
pi
at max MI
(W/cm
2
)
150.40
Operating
Control
Conditions
Mode
Mode
NA
PW
PW
PW
Focus
Focus
(cm)
1
1
1
Power
Power
(%)
100
100
100
Notes: (a) This index is not required for this operating mode. see section 4.1.3.1. of the Output Display Standard
(NEMA UD-3).
(b) This probe is not intended for transcranial or neonatal cephalic uses.
(c) This formulation for TIS is less than that for an alternate formulation in this mode.
# No data are reported for this operating condition since the global maximum index value is not reported for the
reason listed.
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