Samsung SONOACE R5 Manual do Utilizador descarregar pdf (Página 31)

1-13

Chapter 1 Safety

Immunity test

IEC 60601

Test level

Compliance

level

Electromagnetic

environment - guidance

Conducted RF

IEC 61000-4-6

3 Vrms

150 kHz

to 80MHz

0.01V Portable and mobile RF communications equipment

should be used no closer to any part of the

Ultrasound System, including cables, than the

recommended separation distance calculated from

the equation applicable to the frequency of the

transmitter.

Recommended separation distance

80MHz to 800MHZ

800MHz to 2.5GHz

Radiated RF

IEC 61000-4-3

3 V/m

80 MHz

to 2.5GHz

3V/m where P is the maximum output power rating of the

transmitter in watts (W) according to the transmitter

manufacturer and d is the recomm-ended separation

distance in meters (m).

Field strengths from xed 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 :

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

NOTE 2) These guidelines may not apply in all situations. Electromagnetic propagation is aected by absorption and

reection from structures, objects and people.

Field strengths from xed 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 xed RF transmitters, an electromagnetic site survey

should be considered. If the measured eld strength in the location in which the Ultrasound System is used exceeds

the applicable RF compliance level above, the Ultrasound System should be observed to verify normal operation. If

abnormal performance is observed, additional measures may be necessary, such as re-orienting or relocating the

Ultrasound System or using a shielded location with a higher RF shielding eectiveness and lter attenuation.

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

] V/m.

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