Hoffrichter CARAT II pro, User Manual

Page: 200 / 202

200 Chapter 10: Appendix
Guidance and manufacturer’s declaration – electromagnetic immunity
Immunity tests IEC 60601
Test level Compliance level Electromagnetic
environment –
guidance
Surges acc. to
IEC 61000-4-5 ± 1 kV
line(s) to line(s)
± 2 kV voltage
line(s) - earth ± 1 kV
line(s) to line(s)
± 2 kV voltage
line(s) - earth Mains power quality
should be that of a
typical commercial or
hospital environment.
Conducted RF
disturbances acc.
to IEC 61000-4-6 3 V
rms
150 kHz – 80 MHz
6 V
rms
in ISM and
amateur radio
bands between
150 kHz – 80 MHz
3 V
6 V
Portable and mobile
communications
equipment should be
used no closer to any
part of the
CARAT II
pro , including cables,
than the recommended
separation distance
calculated from the
equation applicable to
the frequency of the
transmitter.
Recommended safety
distance: 0.3 m
Power frequency
(50/60 Hz)
magnetic field acc.
to IEC 61000-4-8
30 A/m 30 A/m Power frequency
magnetic fields
should be at levels
characteristic of a
typical location in a
typical commercial or
hospital environment.
Voltage dips, short
interruptions and
voltage variations
on power supply
input lines acc. to
IEC 61000-4-11 > 95 % dip in
U
T
for
0.5 cycle
> 95 % dip in
U
T
for
1 cycle
30 % dip in
U
T
for
25(50 Hz) cycles/
30(60 Hz) cycles
95 % dip in
U
T
for
250 (50 Hz) cycles/
300 (60 Hz) cycles
> 95 % dip in
U
T
for
0.5 cycle
> 95 % dip in
U
T
for
1 cycle
30 % dip in
U
T
for
25 cycles
> 95 % dip in
U
T
for 5 s
Mains power quality
should be that of a typ-
ical commercial or hos-
pital environment. If the
user of the
CARAT II pro
ventilator requires con-
tinued operation during
power mains interrup-
tion, it is recommended
that the
CARAT II pro
ventilator is powered
from an uninterrupted
power supply (UPS) or
a battery.