40
Ultr
asound Saf
ety Consider
ations
* Note: Values for reference only as these values are not used to defi ne output
limits for pulsed Doppler fetal heart rate monitors.
Measurement Uncertainty
Table 4
contains the measurement uncertainty of the acoustic output
parameters stated in tables 1, 2 and 3 above.
Table 4: Measurement Uncertainty of Acoustic Output Parameters
Parameter
Measurement Uncertainty
All Pressure Measurements
± 6.4%
Mechanical Index
± 6.4%
All Intensity Measurements
± 12.7%
Center Frequency (f
c
)
± 2%
Ultrasonic Power (W
0
)
± 12.7%
Summary of Contents for SONICAID FREEDOM SF1-EUR
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