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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.

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.

Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.

LUH018DWEDXXX-00-0723.indd 12

IEC 60601

Compliance

test level

level

3 Vrms

150 kHz to 80 MHz

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.

Interference may occur in the

vicinity of equipment marked

with the following symbol:

7/18/23 1:53 PM