User's Manual

18
Guidance and Declaration - Electromagnetic Immunity
The device is intended for use in the electromagnetic environment specified below. The
customer or the user of the device should assure that it is used in such an environment.
Immunity test
IEC60601 test
level
Compliance
level
Electromagnetic
environment - guidance
Electrostatic
discharge (ESD)
IEC 61000-4-2
± 8 kV contact
± 2 kV，± 4 kV，
± 8 kV
，
± 15kV
air
± 8 kV contact
± 2 kV，± 4 kV，
± 8 kV
，
± 15kV
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
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
40 % UT
(60 % dip in UT)
for 5 cycles
70 % UT
(30 % dip in UT)
for 25 cycles
<5 % UT
(>95 % dip in UT)
for 5 s
<5 % UT
(>95 % dip in
UT)
for 0.5 cycle
40 % UT
(60 % dip in
UT)
for 5 cycles
70 % UT
(30 % dip in
UT)
for 25 cycles
<5 % UT
(>95 % dip in
UT)
for 5 s
Mains power quality
should be that of a typical
commercial or hospital
environment. If the user
of our product requires
continued operation
during power mains
interruptions, it is
recommended that our
product 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.
Note: U
T
is the AC mains voltage prior to application of the test level.
Guidance and Declaration - Electromagnetic Immunity