20
E
Guidance and manufacturer’s declaration – Electromagnetic Immunity
The CIRCULATION PRO is intended for use in the electromagnetic environment specified below. The
customer or the user of the CIRCULATION PRO should assure that it is used in such an environment.
Immunity test
IEC 60601 test
level
Compliance level Electromagnetic environment - guidance
Electrostatic
discharge (ESD)
IEC 61000-4-2
±6 kV contact
±8 kV air
±6 kV contact
±8 kV air
Floors should be wood, concrete or
ceramic tile. If floor are covered with
synthetic material, the relative humidity
should be at least 30%.
Electrical fast
transient/burst
IEC 61000-4-4
±2 kV for power
supply lines
±1kV for
input/output
lines
±2 kV for power
supply lines
±1kV for
input/output
lines
The power quality should be that of a
typical commercial or hospital
environment.
Surge IEC
61000-4-5
±1 kV line(s) and
neutral
±1 kV line(s) and
neutral
the 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
<5% U
T
(>95% dip in U
T
)
for 0.5 cycle
Mains power quality should be that of a
typical commercial or hospital
environment. If a dips or an interruption
of mains power occurs, the current of the
CIRCULATION PRO may be dropped off
from normal level, it may be necessary to
use uninterruptible power supply or a
battery.
40% U
T
(60% dip in U
T
)
for 5 cycles
40% U
T
)
(60% dip in U
T
)
for 5 cycles
70% U
T
(30% dip in U
T
)
for 25 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 5 sec
Power frequency
(50Hz) magnetic
field IEC61000-4-
8
3A/m Not applicable Not applicable
NOTE: U
T
is the a.c. power voltage prior to application of the test level.
5.
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