Specifications
Centrella® Smart+ Bed Instructions for Use Manual (193587 REV 10) 137
Electromagnetic Immunity Guidance
Guidance and Manufacturer's Declaration - Electromagnetic Immunity
The P7900 and HR and RR Monitoring System are intended for use in the electromagnetic environment specified
below. The customer or the user should make sure they are used in such an environment.
Immunity Test
IEC 60601
Test Level
Compliance Level
Electromagnetic
Environment—Guidance
Electrostatic
Discharge (ESD)
IEC 61000-4-2
± 8 kV Contact
± 2 kV, ± 4 kV, ± 8 kV, and
± 15 kV Air
± 8 kV Contact
± 2 kV, ± 4 kV, ± 8 kV, and
± 15 kV Air
The relative humidity
should be at least 5%.
Electrical Fast
Transient/Burst
IEC 61000-4-4
± 2 kV (100 kHz repetition
frequency) for Power
Supply Lines
± 2 kV (100 kHz repetition
frequency) for Power
Supply Lines
Mains power quality
should be that of a typical
hospital environment.
Surge
IEC 61000-4-5
± 1 kV Line(s) to Line(s)
± 2 kV Line(s) to Ground
± 1 kV Line(s) to Line(s)
± 2 kV Line(s) to Earth
Mains power quality
should be that of a typical
hospital environment.
Voltage Dips
IEC 61000-4-11
0% U
T
: 0.5 cycle
At 0°, 45°, 90°, 135°, 180°,
225°, 270°, and 315°
0% U
T
: 1cycle
70% U
T
: 25/30 cycles
Single phase: at 0° (see
note)
0% U
T
: 0.5 cycle
At 0°, 45°, 90°, 135°, 180°,
225°, 270°, and 315°
0% U
T
: 1cycle
70% U
T
: 30 cycles
Single phase: at 0° (see
note)
Mains power quality
should be of a typical
hospital environment. If
the user of the P7900
requires continued oper-
ation during power mains
interruption, it is recom-
mended that the P7900
be powered from an
uninterruptible power
supply.
Voltage interruption
IEC 61000-4-11
0% U
T
: 250/300 cycles 0% U
T
: 300 cycles
Power Frequency
Magnetic Fields
IEC 61000-4-8
30 A/m
60 Hz
30 A/m
60 Hz
Power frequency mag-
netic fields should be at
levels characteristic of a
typical location in a typi-
cal hospital environment.
Note: U
T
is the AC mains voltage prior to application of the test level.
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