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Accella™ Therapy Mattress Instructions for Use Page 55
Compliance
Recommended separation distances
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
: 1 cycle
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
: 1 cycle
70% U
T
: 30 cycles
Single phase: at 0°
(see note)
The quality of the main power
supply must be that of a typical
commercial or hospital
environment. If the user of the Hill-
Rom® 900 Accella™ mattress
requires that the bed remain
functional during outages of the
mains power supply, it is advisable
to power the Hill-
Rom® 900 Accella™ mattress
using a UPS or a battery.
Voltage
Interruptions
IEC 6100-4-11
0% U
T
for 250/300
cycles
0% U
T
for 300
cycles
Note : U
T
is the nominal value of the supply voltage applied during the test.
Conducted RF
IEC 61000-4-6
3 Vrms
0.15 MHz - 80 MHz
6 V in ISM bands
between 0.15 MHz
and 80 MHz
80% AM at 1 kHz
rms
150 kHz to 80 MHz
3 V
0.15 MHz - 80 MHz
6 V in ISM bands
between 0.15 MHz
and 80 MHz
80% AM at 1 kHz
rms
150 kHz to 80 MHz
Radiated RF
IEC 61000-4-3
10 V/m
80 MHz to
2.7 GHz
80% AM at 1 kHz
10 V/m
80 MHz to
2.7 GHz
80% AM at 1 kHz
The field levels emitted by fixed
RF transmitters, as determined by
an electromagnetic measurement
of the site
a
, must be below the
level of compliance in each
frequency band
b
.
Interference may occur close to
devices identified with the
following symbol:
a. The field levels of fixed transmitters, such as radio telephone bases (cell/wireless) and
terrestrial mobile radios, amateur radios and AM, FM and TV communication radios cannot be
theoretically evaluated precisely. Site measurements are required in order to obtain the
electromagnetic environment due to fixed RF transmitters. If the field level measured in the
working environment of the Accella™ Therapy mattress is greater than the above applicable
levels of compliance, the operation of the Accella™ Therapy mattress must be checked. If any
anomalies are detected, additional measures must be taken, such as redirecting or relocating
the reference equipment.
b. The field level must be less than 3V/m above the frequency band 150 kHz to 80 MHz.
Manufacturer's recommendations and declaration – electromagnetic immunity
The Accella™ Therapy device is intended for use in the electromagnetic environment specified
below. The customer or the user of the Accella™ Therapy device should make sure it is used in
such an environment.
Immunity test Tes t l e ve l
IEC 60601
Compliance Electromagnetic environment -
Recommendations
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