Cooey B61T Manuel de l'utilisateur - Page 15

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4. EMC Declaration

Guidance and manufacturer's declaration – electromagnetic immunity

The "Digital Blood Pressure Monitor B61T" is intended for use in the electromagnetic environment specified below. The customer or

the user of the "Digital Blood Pressure Monitor B61T" should ensure that it is used in such an environment.

Immunity test

IEC 60601 test level

3 Vrms

Conducted RF

150 kHz to 80 MHz

IEC 61000-4-6

Radiated RF

3 V/m

IEC 61000-4-3

80 MHz to 2,5 GHz

NOTE 1 At 80 MHz and 800 MHz, the higher frequency range applies.

NOTE 2 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 "Digital Blood Pressure Monitor B61T" is

used exceeds the applicable RF compliance level above, the Medical Digital Blood Pressure Monitor B61T should be observed to

verify

normal operation. If abnormal performance is observed, additional measures may be necessary, such as reorienting or relocating

the "Digital Blood Pressure Monitor B61T".

Over the frequency range 150 kHz to 80 MHz, field strengths should be less than [V

(Continued)

Compliance

level

Portable and mobile RF communications equipment

should be used no closer to any part of the

"Digital Blood Pressure Monitor B61T", 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

3 V

d=1.2√P

d=2.3 √P 800MHz to 2.5 GHz

3 V/m

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,

less than the compliance level in each frequency

range.

Interference may occur in the vicinity of equipment

marked with the following symbol:

Version Number: 1.0

Electromagnetic environment

80MHz to 800MHz

should be

] V/m.

–

guidance