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Table 2
For all ME EQUIPMENT and ME SYSTEMS
Guidance and manufacturer's declaration – electromagnetic immunity
The BM 44 is intended for use in the electromagnetic environment specified below. The customer or the user of the BM 44 should assure that it
is used in such an environment.
IMMUNITY testIEC 60601 test levelCompliance levelElectromagnetic environment – guidance
Electrostatic discharge (ESD) ± 6 kV contact± 6 kV contact
IEC 61000-4-2± 8 kV air± 8 kV air
Electrical fast transient/burst ± 2 kV for power supply lines ± 2 kV for power supply lines Mains power quality should be that of a typical
IEC 61000-4-4± 1 kV for input/output lines ± 1 kV for input/output lines commercial or hospital environment.
Surge± 1 kV line(s) to line(s)± 1 kV line(s) to line(s)Mains power quality should be that of a typical
IEC 61000-4-5± 2 kV line(s) to earth± 2 kV line(s) to earthcommercial or hospital environment.
Power frequencyPower frequency magnetic fields should be at
(50/60 Hz)levels characteristic of a typical location in a
magnetic fieldtypical commercial or hospital environment.
IEC 61000-4-8
NOTE: U
is the a.c. mains voltage prior to application of the test level.
T
<5 % U
for 0.5 cyclefor 0.5 cyclecal commercial or hospital environment. If the
40 % U
(60 % dip in U
)40 % U
T
T
for 5 cyclesfor 5 cyclesduring power mains interruptions, it is recom-tions and voltage variations
70 % U
(30 % dip in U
)70 % U
T
T
for 25 cyclesfor 25 cyclesuninterruptible power supply or a battery.IEC 61000-4-11
<5 % U
(>95 % dip in U
)<5 % U
T
T
for 5 sfor 5 s
3 A/m3 A/m
Floors should be wood, concrete or ceramic tile.
If floors are covered with synthetic material, the
relative humidity should be at least 30 %.
(>95 % dip in U
)Mains power quality should be that of a typi-<5 % U
T
T
(60 % dip in U
)user of the BM 44 requires continued operationVoltage dips, short interrup-
T
T
(30 % dip in U
)mended that the BM 44 be powered from anon power supply input lines
T
T
(>95 % dip in U
)
T
T
94
(>95 % dip in U
)
T
T
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