User's Manual

Chapter 6: Safety 125
Safety
(a) This index is not required for this operating mode; value is <1.
(b) This transducer is not intended for transcranial or neonatal cephalic uses.
#No data are reported for this operating condition since the global maximum index value is not reported for
the reason listed. (Reference Global Maximum Index Value line.)
— Data are not applicable for this transducer/mode.
Table 25: Transducer Model: P21x/5-1 Operating Mode: MMode
Index Label M.I.
TIS TIB
TIC
Scan
Non-scan
Non-scan
A
aprt
≤1A
aprt
>1
Global Maximum Index Value 1.5 — (a) — 1.4 1.1
Associated Acoustic
Parameter
p
r.3
(MPa)
2.10
W
0
(mW)
—# 40.08 29.71
min of [W
.3
(z
1
),I
TA.3
(z
1
)] (mW)
—
z
1
(cm)
—
z
bp
(cm)
—
z
sp
(cm)
3.645
4.9
d
eq
(z
sp
)(cm)
0.343
f
c
(MHz)
1.93 — # — 1.93 1.94
Dim of A
aprt
X(cm) — # — 1.835 1.9
Y(cm)
—# — 1.31.3
Other Information
PD (μsec) 0.904
PRF (Hz) 800
p
r
@PII
max
(MPa)
2.679
d
eq
@Pll
max
(cm)
0.341
Focal Length FL
x
(cm)
—# — 18.46
FL
y
(cm)
—# — 5.5
I
PA.3
@MI
max
(W/cm
2
)
237.4
Operating
Control
Conditions
Control 1: Exam Type Abd/
OB
Abd/OB
Abd/OB
/Card
Control 2: Optimization Any Gen/Res Pen
Control 3: Depth 7.5 cm 10/13 cm 27 cm
Control 4: THI On On Off
Control 5: MB
(Multibeam)
On On or Off
On or
Off