natus Photic Stimulator, Руководство пользователя и обслуживания

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User & Service Manual Natus Photic Stimulator
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IEC 60601-1-2:2007 Table 2 Requirements:
The Natus Photic Stimulator is intended for use in the electromagnetic environment specified
below. The customer or the user of the Natus Photic Stimulator 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
±0.3 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
± 0.5kV was
applied and unit
still flickered.
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
UT = 100Vac &
240 Vac
<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 environment. If the user
of the equipment requires
continued operation during power
mains interruptions, it is
recommended that the equipment
be powered from an
uninterruptible power supply or a
battery.
Power frequency
(50 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.