29
ENG
MANUFACTURER’S DECLARATION
Guidance and manufacturer’s declaration – electromagnetic immunity
The model LD-207U Mesh Nebulizer is intended for use in the electromagnetic environment
speci
fi
ed below. The customer or the user of the model LD-207U Mesh Nebulizer should assure
that is used in such an environment.
Immunity test
IEC 60601
test level
Compliance
level
Electromagnetic environment – guid-
ance
Electrostatic discharge
(ESD) IEC 61000-4-2
±6kV contact
±8kV air
±6 kV contact
±8 kV air
Floor should be wood, concrete or
ceramic tile. If
fl
oors are covered with
synthetic material, the relative humid-
ity should be at least 30%
Electrical fast tran-
sient/burst
IEC 61000-4-4
±2 kV for
power supply
lines
±2 kV for
power supply
lines
Mains power quality should be that
of a typical commercial or hospital
environment.
Surge IEC 61000-4-5
±1 kV differ-
ential mode
±1 kV differ-
ential mode
Mains power quality should be that
of a typical commercial or hospital
environment.
Voltage dips, short in-
terruptions 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 sec
<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 sec
Mains power quality should be that of
a typical commercial or hospital envi-
ronment. If the user of the LD-207U
Mesh Nebulizer Equipment requires
continued operation during power
mains interruptions, it is recommended
that the LD-207U Mesh Nebulizer
Equipment be powered from an unin-
terruptible power supply or a battery.
Power frequency mag-
netic
fi
eld
IEC 61000-4-8
3 A/m
3 A/m
Power frequency magnetic
fi
elds
should be at levels characteristic of a
typical location in a typical commercial
or hospital environment.
