NINGBO DAVID YP-970 - Page 5

Guidance and manufacture’s declaration – electromagnetic immunity –
for all EQUIPMENT and SYSTEMS
Guidance and manufacture’s declaration – electromagnetic immunity
The YP-970 Infant Incubator is intended for use in the electromagnetic environment specified below. The customer or
the user of YP-970 Infant Incubator 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
±2kV for power
supply lines
Mains power quality should be
that of a typical commercial or
hospital environment.
Surge
IEC 61000-4-5
±1 kV differential mode
±2 kV common mode
±1 kV differential
mode
±2 kV common mode
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 sec
<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 sec
Mains power quality should be
that of a typical commercial or
hospital environment. If the user
of the YP-970 Infant Incubator
requires continued operation
during power mains
interruptions, it is recommended
that the YP-970 Infant Incubator
be powered from an
uninterruptible power supply or
a battery.
NOTE U
T
is the a.c. mains voltage prior to application of the test level.
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