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Guidance and manufacturer's declaration - electromagnetic immunity
The ERK 7800 is intended for use in the electromagnetic environment specified below. The customer or the
user of the ERK 7800 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
±6kV contact
±8kV air
±6kV contact
±8kV air
Floor 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
±2kV
for power supply lines
±1kV
for input/output lines
±2kV
for power supply lines
±1kV
for input/output lines
Mains power quality should be that of a
typical commercial or hospital
environment.
Surge
IEC 61000-4-5
±1kV
differential mode
±2kV
common mode
±1kV
differential mode
±2kV
common mode
Mains power quality should be that of a
typical commercial 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 commercial or hospital
environment. If the user of the ERK
7800 requires continued
operation during power mains
interruptions, it is recommended that the
ERK 7800 be powered from an
uninterruptible power supply
or a battery.
Power frequency
(50/60Hz)
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.
