EDAN F9 Express - A4.6.2 Test of Wireless Transducer (FTS-3)

F9, F9 Express Fetal & Maternal Monitor User Manual Ultrasound Intensity and Safety
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dimensions
y
-6
(cm)
0.70
0.70
PD (usec)
89.72
89.72
PRF (Hz)
2000.00
2000.00
EBD
A
z
(cm)
Φ3.46
E
le
(cm)
Φ3.46
Operating Control
Conditions
Focus(mm)
Fixed
Depth(mm)
Fixed
Frequency(MHz)
1.00
A4.6.2 Test of Wireless Transducer (FTS-3)
A4.6.2.1 12-Crystal Wafer Transducer
Acoustic output reporting table for IEC60601-2-37
(IEC60601-2-37, Edition 2.1, 2015-06, table 201.103)
Operating Mode: PW mode
Working Frequency: 1.0MHz
Index label
MI
TIS
TIB
TIC
At
surface
Below
surface
At
surface
Below
surface
Maximum index value
0.017
0.0079
0.064
N/A
Index component value
N/A
0.0079
N/A
0.064
Acoustic
Parameters
p
r.
α
at z
MI
(MPa)
0.017
P (mW)
9.69
9.69
N/A
P
1x1
(mW)
N/A
N/A
z
s
(cm)
6.55
z
b
(cm)
6.55
z
MI
(cm)
6.55
z
PII.
α
(cm)
6.55
f
awf
(MHz)
1.00
1.00
1.00
N/A
Other
Information
prr (Hz)
2000.00
srr (Hz)
N/A
n
pps
N/A
I
pa.
α
at z
PII.
α
(W/cm
2
)
0.0092
I
spta.
α
at z
PII.
α
or z
SII.
α
(mW/cm
2
)
1.66
I
spta
at z
PII
or z
SII
(mW/cm
2
)
4.34
p
r.
at z
PII
(MPa)
0.023
Operating
control
conditions
Focus(mm)
Fixed
Depth(mm)
Fixed
Frequency(MHz)
1.00