EDAN F9 User Manual page 196

F9, F9 Express Fetal & Maternal Monitor User Manual
Operating Mode: PW mode
Working Frequency: 1.0MHz
Acoustic Output
Global Maximum Value
p
r.3
W
0
f
c
z
sp
Associated
Beam
Acoustic
dimensions
Parameter
PD
PRF
EBD
Operating
Control
Conditions
A4.6.2.2 7-Crystal Wafer Transducer
Operating Mode: PW mode
Working Frequency: 1.0MHz
Index label
Maximum index value
Index component value
Acoustic
p at z
α
r. MI
Parameters
P
P
1x1
z
s
z
b
z
MI
z
α
PII.
f
awf
Other prr
Information
srr
n
pps
I at z
α
pa.
I
α
spta.
(mW/cm
I at z
spta
(MPa)
(mW)
(MHz)
(cm)
x (cm)
-6
y (cm)
-6
(usec)
(Hz)
Az. (cm)
Ele. (cm)
Focus(mm)
Depth(mm)
Frequency(MHz)
Acoustic output reporting table for IEC60601-2-37
(IEC60601-2-37, Edition 2.1, 2015-06, table 201.103)
0.030
(MPa) 0.030
(mW)
(mW)
(cm)
(cm)
(cm) 1.49
1.49
(cm)
(MHz) 1.00
(Hz) 2000.00
(Hz) N/A
N/A
2
0.020
(W/cm )
α
PII.
3.17
at z or z
α α
PII. SII.
2
)
2
or z (mW/cm ) 3.59
PII SII
MI
0.017
0.017
1.00
6.55
90.07
2000.00
MI TIS
At Below
surface surface
0.050
N/A 0.050
9.83
N/A
1.49
1.00
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Ultrasound Intensity and Safety
I I
SPTA.3
2
(mW/cm ) (W/cm
1.66 0.0092
9.69
1.00
6.55
0.48
0.56
2000.00
Φ3.46
Φ3.46
Fixed
Fixed
1.00
TIB
At Below
surface surface
0.020
N/A 0.020
9.83
N/A
1.49
1.00
SPPA.3
2
)
9.69
1.00
6.55
0.48
0.56
90.07
TIC
N/A
N/A
N/A