Zumax Medical OMS2360, User Manual

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24
Electromagnetic immunity for ME equipment and ME systems
Guidance and manufacturer’s declaration – electromagnetic immunity
The microscope is intended for use in the electromagnetic environment specified below. The
customer or the user of the microscope 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
floors 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
± 1 kV for input/output
lines ± 2 kV for power
supply lines
±1 kV 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) to
line(s)
± 2 kV line(s) to earth
± 1 kV line(s) to
line(s)
± 2 kV line(s) to
earth 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 s
<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 s
Mains power quality should be
that of a typical commercial or
hospital environment. If the
user of the microscope
requires continued operation
during
power mains
interruptions, it is
recommended that the
microscope be powered from
an
uninterruptible Power
supply or a battery.
Power frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8
3A/m 3A/m
Power frequency magnetic
fields should be at levels
characteristic of a typical
location in a typical
commercial or hospital
environment.
NOTE U
T
is the a.c. mains voltage prior to application of the test level.