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10.0
Immunity Test
Voltage Dips / Dropout
IEC 61000-4-11
NOTE
U
is the mains alternating current prior to application of the test levels.
T
10.3 Guidelines and Manufacturer´s Declaration - Immunity
The ATMOS Patient chair M2 is intended for use in the electromagnetic environment specifi ed below. The customer
or user of the ATMOS Patient chair M2 should ensure that it is used in such an environment.
Immunity Test
Conducted RF
IEC 61000-4-6
Radiated RF
IEC 61000-4-3
34
All manuals and user guides at all-guides.com
IEC 60601-
Test Level
< 5 % U
T
(> 95 % Dip of the U
)
T
for 0.5 Cycle
40 % U
T
(60% Dip of the U
)
T
for 5 Cycles
70% U
T
(30 % Dip of the U
)
T
for 25 Cycles
< 5 % U
T
(>95 % Dip of the U
)
T
for 5 s
IEC 60601-
Compliance Level
Test Level
3 V
3 V
eff
150 kHz up to 80 MHz
3 V/m
80 MHz up to 2,5 GHz
10 V/m
Electromagnetic
Compliance Level
Environment - Guidance
< 5 % U
Mains power quality should be that
T
(> 95 % Dip of the U
)
of a typical commercial or hospital
T
for 0.5 Cycle
environment. If the user of the
ATMOS Patient chair M2 demands
40 % U
continued function even in case of
T
(60% Dip of the U
)
interruptions of the energy supply,
T
for 5 Cycles
it is recommended to supply the
ATMOS Patient chair M2 from an
70% U
uninterruptible current supply or a
T
(30 % Dip of the U
)
battery.
T
for 25 Cycles
< 5 % U
T
(>95 % Dip of the U
)
T
for 5 s
Electromagnetic Environment
- Guidance
Portable and mobile communications
equipment should be separated from the
Patient chair E1 incl. the cables by no less
than the distances calculated/listed below.
Recommended distances:
d = 3,5/3 √ P
d = 3,5/10 √ P
d = 7/10 √ P
where „P" is the max. power in watts (W)
and D is the recommended separation
distance in meters (m).
Field strengths from fi xed transmitters, as
determined by an electromagnetic site (a)
survey, should be less than the compli-
ance level (b).
Interference may occur in the vicinity of
equipment containing following symbol
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