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ELECTROMAGNETIC IMMUNITY GUIDANCE
Guidance and manufacturer's declaration – electromagnetic immunity
The LaserComb is intended for use in the electromagnetic environment specified
below. The customer or the user of the LaserComb should assure that it is used
in such an environment.
Immunity test
Conducted RF
IEC 61000-4-6
Radiated RF
IEC 61000-4-3
!
NOTE1 At 80 MHz and 800 MHz, the higher frequency range applies.
!
NOTE2 These guidelines may not apply in all situations. Electromagnetic propagation is affected by
absorption and reflection 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 LaserComb is used exceeds
the applicable RF compliance level above, the LaserComb should be observed to verify normal
operation. If abnormal performance is observed, additional measures may be necessary, such as
re-orienting or relocating the LaserComb.
b
Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.
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LUH018DWEDXXX-00-0723.indd 12
LUH018DWEDXXX-00-0723.indd 12
IEC 60601
Compliance
test level
level
3 Vrms
3 Vrms
150 kHz to 80 MHz
3 V/m
3 V/m
80 MHz to 2.5 GHz
Electromagnetic environment-guidance
Portable and mobile RF communications
equipment should be used no closer to any
part of the LaserComb including cables,
than the recommended separation distance
calculated from the equation applicable to the
frequency of the transmitter.
Recommended separation distance:
d = 1,2 √P
d = 1,2 √P 80 MHz to 800 MHz
d = 2,3 √P 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 metres
(m).
Field strengths from fixed RF transmitters, as
determined by an electromagnetic site survey,
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:
a
7/18/23 1:53 PM
7/18/23 1:53 PM