Mizuho VACB-3006B, Руководство оператора

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56
GUIDANCE AND MANUFACTURER’S DECLARATION – ELECTROMAGNETIC IMMUNITY
Operating Table VACB-3006B is intended for use in the electromagnetic environment specified
below. The customer or the user of Operating Table VACB-3006B 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 commer-
cial 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 commer-
cial 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 commer-
cial or hospital
environment. If the
user of Operating
Table VACB-3006B
requires con-
tinued operation
during power mains
interruptions, it is
recommended that
Operating Table
VACB-3006B 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 a.c. mains voltage prior to application of the test level.