Issue date
：
2020/3/16
－
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.
