Beurer medical BM 75 Gebrauchsanweisung Seite 125
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Table 2
Guidance and manufacturer's declaration – electromagnetic immunity
The BM 75 is intended for use in the electromagnetic environment specified below. The customer or the user of the BM 75 should assure that it is
used in such an environment.
Immunity test
Electrostatic discharge (ESD)
IEC 61000-4-2
Electrical fast transient/burst
IEC 61000-4-4
Surge
IEC 61000-4-5
Voltage dips, short interrup-
tions and voltage variations
on power supply input lines
IEC 61000-4-11
Power frequency (50/60 Hz)
magnetic field IEC 61000-4-8
NOTE: U
is the a.c. mains voltage prior to application of the test level.
T
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IEC 60601 test level
± 6 kV contact
± 8 kV air
± 2 kV for power supply lines
± 1 kV for input/output lines
± 1 kV line(s) to line(s)
± 2 kV line(s) to earth
<5 % U
(>95 % dip in U
)
T
T
for 0.5 cycle
40 % U
(60 % dip in U
)
T
T
for 5 cycles
70 % U
(30 % dip in U
)
T
T
for 25 cycles
<5 % U
(>95 % dip in U
)
T
T
for 5 s
3 A/m
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Compliance level
Electromagnetic environment – guidance
Floors should be wood, concrete or ceramic tile. If
± 6 kV contact
floors are covered with synthetic material, the relative
± 8 kV air
humidity should be at least 30 %.
± 2 kV for power supply lines
Mains power quality should be that of a typical com-
mercial or hospital environment.
N/A
± 1 kV differential mode
Mains power quality should be that of a typical com-
N/A
mercial or hospital environment.
<5 % U
(>95 % dip in U
)
Mains power quality should be that of a typical com-
T
T
for 0.5 cycle
mercial or hospital environment. If the user of the BM 75
40 % U
(60 % dip in U
)
requires continued operation during power mains inter-
T
T
for 5 cycles
ruptions, it is recommended that the BM 75 be powered
70 % U
(30 % dip in U
)
from an uninterruptible power supply or a battery.
T
T
for 25 cycles
<5 % U
(>95 % dip in U
)
T
T
for 5 s
Power frequency magnetic fields should be at levels
3 A/m
characteristic of a typical location in a typical commer-
cial or hospital environment.
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