SonoSite S-Cath - Page 121

Chapter 6: Safety 111
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 29: Transducer Model: P21x Operating Mode: 2D
Index Label MI
TIS TIB
TIC
Scan
Non-scan
Non-scan
A
aprt
≤1A
aprt
>1
Global Maximum Index Value
1.5 (a) — — — 2.1
Associated Acoustic
Parameter
p
r.3
(MPa)
2.03
W
0
(mW)
#— —155.2
min of [W
.3
(z
1
),I
TA.3
(z
1
)] (mW)
—
z
1
(cm)
—
z
bp
(cm)
—
z
sp
(cm)
3.4 —
d
eq
(z
sp
)(cm)
—
f
c
(MHz)
1.83 # — — — 1.94
Dim of A
aprt
X(cm)
#— — — 1.9
Y(cm)
#— — — 1.3
Other Information
PD (μsec)
.842
PRF (Hz)
4444
p
r
@PII
max
(MPa)
2.53
d
eq
@Pll
max
(cm)
—
Focal Length FL
x
(cm)
#— — 18.46
FL
y
(cm)
#— — 5.5
I
PA .3
@MI
max
(W/cm
2
)
194
Operating
Control
Conditions
Control 1: Exam Type
Crd Crd
Control 2: Optimization
Gen/ Pen Pen
Control 3: Depth
4.7 cm 27 cm
Control 4: THI
On Off