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5.3.2 Electromagnetic Immunity
Guidance and manufacturer’s declaration - electromagnetic immunity
The CProbe Wireless Probe Type Ultrasound Scanner is intended for use in the electromagnetic
environment specified below. The customer or the user of the CProbe Wireless Probe Type
Ultrasound Scanner should assure that it is used in such an environment.
Immunity
Test
IEC 60601
Test Level
Compliance
Level
Electromagnetic environment - guidance
Electrostatic
discharge
(ESD)
IEC61000-4
-2
±6kV contact
±8kV air
±6kV contact
±8kV air
Floors should be wood,concrete or ceramic tile.
If floors are covered with synthetic material, the
relative humidity should be at least 30%.
Electrostatic
transient
\
burst
IEC
61000-4-4
±2 kV for
power supply
lines
±1 kV for
input output
lines
±2 kV for
power supply
lines
±1 kV for
input output
lines
Mains power qualityshould be that of a
typical commercial or hospital environment.
Surge
IEC
61000-4-5
±1kV
differential
mode
±2kV
common
mode
±1kV
differential
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%U
T
(>95% dip in
U
T
) for 0.5
cycle
40%U
T
(60%
dip in U
T
) for
5 cycles
70%U
T
(30%
dip in U
T
) for
25 cycles
< 5%U
T
(>95% dip in
U
T
) for 5 sec
< 5%U
T
(>95% dip in
U
T
) for 0.5
cycle
40%U
T
(60%
dip in U
T
) for
5 cycles
70%U
T
(30%
dip in U
T
) for
25 cycles
< 5%U
T
(>95% dip in
U
T
) for 5 sec
Mains power qualityshould be that of atypical
commercial or hospital environment. If the user
of the CProbe Wireless Probe Type Ultrasound
Scanner requires continued operation during
power mains interruptions, it is recommended
that the CProbe Wireless Probe Type
Ultrasound Scanner be powered from an
uninterruptible power supply or a battery.
Power
frequency
(50/60 Hz)
Magnetic
field
IEC
61000-4-8
3 A/m
3 A/m
Power frequency magnetic fields should be at
levels characteristic of a typical location in a
typical commercial or hospital environment.
NOTEU
T
is the a.c. mains voltage prior to application of the test level.
