
1-13
Chapter 1 Safety
WARNING: The use of cables, transducers, and accessories other than those specified may result in
increased emission or decreased Immunity of the Ultrasound System.
Immunity test IEC 60601 Test level Compliance level
ElectroMagnetic environment
- guidance
Electrotatic
discharge (ESD)
IEC 61000-4-2
±6KV Contact
±8KV air
±6KV Contact
±8KV air
Floors should be wood,
concrete or ceramic tile.
If oors are covered with
synthetic material, the relative
humidity should be at least
30%.
Electrical fast
transient/burst
IEC 61000-4-4
±2KV
for power supply lines
±1KV
for input/output lines
±2KV
for power supply lines
±1KV
for input/output lines
Mains power quality should be
that of a typical commercial or
hospital environment.
Surge
IEC 61000-4-5
±1KV dierential mode
±2KV common mode
±1KV dierential
mode
±2KV common mode
Mains power quality should be
that of a typical commercial or
hospital environment.
Voltage
dips, short
interruptions and
voltage variations
on power supply
input lines
IEC 61000-4-11
<5% Uт for 0.5cycle
(>95% dip in Uт)
40% Uт for 5 cycle
(60% dip in Uт)
70% Uт for 25 cycle
(30% dip in Uт)
<5% Uт for 5 s
(<95% dip in Uт )
<5% Uт for 0.5cycle
(>95% dip in Uт)
40% Uт for 5 cycle
(60% dip in Uт)
70% Uт for 25 cycle
(30% dip in Uт)
<5% Uт for 5 s
(<95% dip in Uт )
Mains power quality should be
that of a typical commercial
or hospital environment. If the
user of this product requires
continued operation during
power mains interruptions,
it is recommended that this
product be powered from an
uninterruptible power supply
or a battery.
Power frequency
(50/60Hz)
magnetic eld
IEC 61000-4-8
3 A/m 3 A/m
Power frequency magnetic
elds should be at levels
characteristic of a typical
location in a typical
commercial or hospital
environment.
NOTE: Uт is the a.c. mains voltage prior to application of the test level.
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