SonoSite S-Cath - Page 125

Chapter 6: Safety 115
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 33: Transducer Model: P21x Operating Mode: CW Doppler
Index Label MI
TIS TIB
TIC
Scan
Non-scan
Non-scan
A
aprt
≤1A
aprt
>1
Global Maximum Index Value
(a) — — 1.0 3.5 3.0
Associated Acoustic
Parameter
p
r.3
(MPa)
#
W
0
(mW)
—— 90.1 104.9
min of [W
.3
(z
1
),I
TA.3
(z
1
)] (mW)
104.9
z
1
(cm)
1.20
z
bp
(cm)
1.31
z
sp
(cm)
# 1.255
d
eq
(z
sp
)(cm)
0.49
f
c
(MHz)
# — — 2.00 2.00 2.00
Dim of A
aprt
X(cm)
— — 0.46 0.655 0.459
Y(cm)
— — 1.30 1.30 1.30
Other Information
PD (μsec)
#
PRF (Hz)
#
p
r
@PII
max
(MPa)
#
d
eq
@Pll
max
(cm)
0.45
Focal Length FL
x
(cm)
— — 1.55 1.55
FL
y
(cm)
— — 9.00 9.00
I
PA.3
@MI
max
(W/cm
2
)
#
Operating
Control
Conditions
Control 1: Exam Type
Crd Crd Crd
Control 2: Zone
Zone 0 Zone 1 Zone 0