Beurer medical BM 20 Gebrauchsanweisung Seite 89

Guidance and manufacturer's declaration – electromagnetic immunity – for all EQUIPMENT and SYSTEMS
Guidance and manufacturer's declaration – electromagnetic immunity
The BM 20 is intended for use in the electromagnetic environment specified below. The customer or the user of BM 20 should assure that it is
used in such an environment.
Immunity test
Electrostatic discharge (ESD)
IEC 61000­4­2
Electrical fast transient/burst
IEC 61000­4­4
Surge
IEC 61000­4­5
Voltage dips, short interrup­
tions and voltage variations on
power supply input lines
IEC 61000­4­11
Power frequency (50/60 Hz)
magnetic field
IEC 61000­4­8
NOTE: U is the a.c. mains voltage prior to application of the test level.
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All manuals and user guides at all-guides.com
IEC 60601 test level Compliance level
± 6 kV contact ± 6 kV contact
± 8 kV air ± 8 kV air
± 2 kV for power sup­ ± 2 kV for power sup­
ply lines ply lines
± 1 kV differential mode ± 1 kV differential mode
± 2 kV common mode ± 2 kV common mode
< 5% U < 5% U
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(> 95% dip in U ) (> 95% dip in U
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for 0.5 cycle for 0.5 cycle
40 % U 40 % U
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(60 % dip in U ) (60 % dip in U
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for 5 cycles for 5 cycles
70 % U 70 % U
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(30 % dip in U ) (30 % dip in U
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for 25 cycles for 25 cycles
< 5 % U < 5 % U
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(> 95 % dip in U ) (> 95 % dip in U
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for 5 sec for 5 sec
3 A/m 3 A/m
Electromagnetic environment – guidance
Floors should be wood, concrete or ceramic tile.
If floor are covered with synthetic material, the relative
humidity should be at least 30 %.
Mains power quality should be that of a typical com­
mercial or hospital environment.
Mains power quality should be that of a typical com­
mercial or hospital environment.
Mains power quality should be that of a typical com­
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) mercial or hospital environment. The BM 20 can con­
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tinue the operation during power mains interruptions
due to the usage of battery.
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)
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)
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Mains power quality should be that of a typical com­
mercial or hospital environment.
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