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7EN125103 Rev. 13 • 2020
www.hillrom.com
Guidance and manufacturer’s declaration – electromagnetic immunity
The overhead lift is intended for use in the electromagnetic environment specified below. The custo-
mer or the user of the overhead lift should assure that it is used in such an environment.
”Essential performance according to the manufacturer: The hoist shall not move unintentionally while
being submitted to disturbances.”
Immunity test
IEC 60601 test level
Compliance level
Electromagnetic environment - guidance
Conducted RF
IEC 61000-4-6
Radiated RF
IEC 61000-4-3
3 Vrms
150 kHz to 80 MHz
10 V/m
80MHz to 2,5GHz
3 Vmrs
10 V/m
Portable and mobile RF communications
equipment should be used no closer to any
part of the overhead lift, including cables,
than the recommended separation distance
calculated from the equation applicable to the
frequency of the transmitter.
Recommended separation distance
P
d
2
,1
=
P
d
2
,1
=
d = 0,35
80 MHz to 800 MHz
P
d
7
,
0
=
800 MHz to 2,5 GHz
where P is the maximum output power rating
of the transmitter in watts (W) according to
the transmitter manufacturer and d is the
recommended separation distance in meters
(m).
Field strengths from fixed RF transmitters, as
determined by an electromagnetic site survey,
a
should be less than the compliance level in
each frequency range.
b
Interference may occur in the vicinity of
equipment marked with the following symbol.
NOTE 1 At 80MHz and 800MHz, the higher frequency range applies.
NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflected
from structures, objects and people.
a
Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and land mobile
radios, amateur radio, AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy. To
assess the electromagnetic environment due to fixed RF transmitters, an electromagnetic site survey should be considered.
If the measured field strength in the location in which the overhead lift is used exceeds the applicable RF compliance level
above, the overhead lift should be observed to verify normal operation. If abnormal performance is observed, additional
measures may be necessary, such as reorienting or relocating the overhead lift.
b
Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 10 V/m.