Beurer EM 49 Mode D'emploi page 143

Table 3
Guidance and manufacturer's declaration – electromagnetic immunity
The EM 49 is intended for use in the electromagnetic environment specified below. The customer or the user of the EM 49 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 interruptions 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
IEC 60601 test level Compliance level
± 6 kV contact ± 6 kV contact
± 8 kV air ± 8 kV air
± 2 kV for power supply lines
± 1 kV for input/output lines
± 1 kV for input/output lines
± 1 kV line to line
Not applicable
± 2 kV line 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
Not applicable
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 3 A/m
Electromagnetic environment – guidance
Floors should be wood, concrete or ceramic tile. If floors are covered
with synthetic material, the relative humidity should be at least 30 %.
Mains power quality should be that of a typical commercial or hospital
environment.
Mains power quality should be that of a typical commercial or hospital
environment.
Mains power quality should be that of a typical commercial or hospital
environment. If the user of the EM 49 requires continued operation
during power mains interruptions, it is recommended that the
EM 49 be powered from an uninterruptible power supply or a battery.
Power frequency magnetic fields should be at levels characteristic of a
typical location in a typical commercial or hospital environment.
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