21
G
B
Guidance and manufacturer’s declaration – Electromagnetic Immunity
The CIRCULATOR is intended for use in the electromagnetic environment specified below. The customer or
the user of the CIRCULATOR 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
Mains 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
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% UT
(>95% dip in UT)
for 0.5 cycle
<5% UT
(>95% dip in UT)
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 Circulator may be
dropped off from normal level, it may be
necessary to use uninterruptible power
supply or a battery.
40% UT
(60% dip in UT)
for 5 cycles
40% UT)
(60% dip in UT)
for 5 cycles
70% UT
(30% dip in UT)
for 25 cycles
70% UT
(30% dip in UT)
for 25 cycles
<5% UT
(>95% dip in UT)
for 5 sec
<5% UT
(>95% dip in UT)
for 5 sec
Power frequency
(50Hz) magnetic
field IEC61000-4-8
3A/m
Not applicable
Not applicable
NOTE: UT is the a.c. mains voltage prior to application of the test level.
5.
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