ECO 6 Digital Color Doppler Ultrasound System
173
Acoustic Output Table
System: ECO 6
Transducer Model: P3-A
Operating Mode: THI-B
Index Label
MI
TIS
TIB
TI
C
Scan
non-scan
non-scan
A
aprt
≤1 A
aprt
>1
Global Maximum
Index Value
1.2
1.5
Associated
Acoustic
Parameter
p
r.3
p
r,α
(MPa)
1.76
W
o
P
(mW)
269.95
min of
[W
.3
(z
1
),
I
TA.3
(z
1
)]
min of
[Pα(Zs),Ita,α(Zs)]
(mW)
z
1
Z
s
(cm)
z
bp
Z
bp
(cm)
z
sp
Z
b
(cm)
Z
@PII
.3max
Z at max I
pi α
(cm)
4.5
d
eq
(z
sp
)
d
eq
(Z
b
)
(cm)
f
c
f
awf
(MHz)
2.25
2.44
Dim of A
aprt
Dim of A
aprt
X (cm)
1.92
Y (cm)
1.58
Other
Information
PD
t
d
(µsec)
0.97
PRF
prr
(Hz)
3336
p
r
@PII
max
p
r
at max I
pi
(MPa)
3.83
d
eq
@PII
max
d
eq
at max I
pi
(cm)
Focal Length
Focal Length
FL
x
(cm)
0.36
FL
y
(cm)
0.22
I
PA.3
@ MI
max
I
pi
at max MI
(W/cm
2
)
98.50
Operating
Control
Conditions
Mode
Mode
NA
THI-B
THI-B
Focus
Focus
(cm)
4
1
Power
Power
(%)
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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