Datex-Ohmeda Aespire 7900, User'S Reference Manual

Page: 95 / 118

6 Specifications and Theory of Operation
1009-0633-000
6-9
w
WARNING An operator of the medical electrical system must not touch non-
medical electrical equipment and the patient simultaneously. This
may cause an unsafe electrical shock to the patient.
Guidance and
manufacturer's
declaration -
electromagnetic
emissions
The system is suitable for use in the specified electromagnetic environment.
The customer and/or the user of the system should assure that it is used in an
electromagnetic environment as described below.
Emissions test Compliance Electromagnetic environment guidance
RF emissions
CISPR 11 Group 1 The system uses RF energy only for its internal function. Therefore, its RF emissions are
very low and are not likely to cause any interference in nearby electronic equipment.
RF emissions
CISPR 11 Class B The system is suitable for use in all establishments, including domestic
establishments and those directly connected to the public low-voltage power supply
network that supplies buildings used for domestic purposes.
Harmonic emissions
IEC 61000-3-2 Class A Class A
Voltage fluctuations/
flicker emissions
IEC 61000-3-3 Complies
Immunity test IEC 60601-1-2 test level Compliance level Electromagnetic environment guidance
Electrostatic
discharge (ESD)
IEC 61000-4-2 ± 6 kV contact
± 8 kV air ± 6 kV contact
± 8 kV air Floors 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 ± 2 kV for power supply
lines
±1 kV for input/output
lines ± 2 kV for power supply
lines
±1 kV for input/output
lines Mains power quality should be that of a typical
commercial and/or hospital environment.
Surge IEC 61000-
4-5 ± 1 kV differential mode
±2 kV common mode ± 1 kV differential
mode
±2 kV common mode Mains power quality should be that of a typical
commercial and/or hospital environment.
Voltage dips, short
interruptions and
voltage variations
on power supply
input lines
IEC 61000-4-11 < 5 % UT (> 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 % UT (> 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 and/or hospital environment. If the
user of the system requires continued operation
during power mains interruptions, it is
recommended that the system be powered from an
uninterruptible power supply or a battery.