User's Manual

F Series Fetal & Maternal Monitor User Manual Ultrasound Intensity and Safety
- 164 -
A4.6 Probe Acoustic Output Parameters List
A4.6.1 Test of Wired Probe
Acoustic Output Reporting Table (F9/F9 Express)
Operating Mode: PW mode
Working Frequency: 1.0MHz
Index Label MI
TIS TIB
TIC
Scan
Non-scan
Non-scan
Aaprt1 Aaprt>1
Global Maximum Index Value 0.01567 0.008761 0.05723 N/A
Associated
Acoustic
Parameters
P
r.a
(MPa) 0.01567
P (mW) 11.52 N/A
Min of [P
a
(Z
s
),I
ta.a
(Z
s
)] (mW) 1.84
Z
s
(cm) 13.95
Z
bp
(cm) 5.188
Z
b
(cm) 13.60
Z at max I
pi.a
(cm) 13.80 13.80
deq(Z
b
) (cm) 1.75
f
awf
(MHz) 1.00 1.00 1.00 N/A
Dim of Aaprt
X (cm)
3.46 3.46 N/A
Y (cm) 3.46 3.46 N/A
Other
Information
td (usec) 88.72
prr (Hz) 2000
P
r
at max I
pi
(MPa) 0.02930
Deq at max I
pi
(cm) 1.73
I
pi.3
at max MI (W/cm
2
) 0.01025
Focal
Length
Flx (cm)
N/A
Fly (cm) N/A
Operating
Control
Conditions
Focus(mm) Fixed
Depth(mm) Fixed
Freq(MHz) 1.0