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Chapter 1 Safety
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 dierential mode
±2KV common mode
±1KV dierential 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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Komentáře k této Příručce

Prof Akhigbe 24 Apr 2024 | 14:29:06

I want to learn how to do angle correction on PW Doppler on my machine.

Prof Akhigbe 24 Apr 2024 | 14:30:30

How do I assess PW angle cursor?

Prof Akhigbe 24 Apr 2024 | 14:40:21

I don't want to join the group.