A4.6.2 Test Of Wireless Transducer (Fts-3) - EDAN F9 User Manual

F9, F9 Express Fetal & Maternal Monitor User Manual
dimensions
PD
PRF
EBD
Operating Control
Conditions

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

A4.6.2.1 12-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
p at z
r. PII
Operating
control
conditions
Frequency(MHz)
y
-6
(usec)
A
z
E
le
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)
0.017
0.017
(MPa)
(mW)
(mW)
(cm)
(cm)
(cm) 6.55
6.55
(cm)
(MHz) 1.00
(Hz) 2000.00
(Hz) N/A
N/A
2
0.0092
(W/cm )
α
PII.
1.66
at z or z
α α
PII. SII.
2
)
2
or z (mW/cm ) 4.34
PII SII
(MPa) 0.023
Focus(mm) Fixed
Depth(mm) Fixed
1.00
(cm)
89.72
(Hz) 2000.00
(cm)
(cm)
MI TIS
At
surface
0.0079
N/A
9.69
N/A
1.00
- 184 -
Ultrasound Intensity and Safety
0.70
Φ3.46
Φ3.46
Fixed
Fixed
1.00
TIB
Below At Below
surface surface surface
0.064
0.0079 N/A 0.064
9.69
N/A
6.55
6.55
1.00
0.70
89.72
2000.00
TIC
N/A
N/A
N/A