iHealth BP7 소유자 매뉴얼 - 페이지 15

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Radiated RF

IEC 61000-4-3

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.

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 monitor is used exceeds the applicable RF compliance

level above, the monitor should be observed to verify normal operation. If abnormal

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

relocating the monitor.

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

For ME EQUIPMENT and ME SYSTEMS that are not LIFE-SUPPORTING

Recommended separation distances between portable and mobile RF communications

equipment and the Wireless Blood Pressure Wrist Monitor

The Wireless Blood Pressure Wrist Monitor is intended for use in an electromagnetic environment

in which radiated RF disturbances are controlled. The customer or the user of the Wireless Blood

Pressure Wrist Monitor can help prevent electromagnetic interference by maintaining a minimum

distance between portable and mobile RF communications equipment (transmitters) and the

monitor as recommended below, according to the maximum output power of the communications

equipment.

Rated maximum

output

power of

transmitter

3 V/m 80 MHz to

2.5 GHz

Separation distance according to frequency of transmitter

150 kHz to 80 MHz

2 .

3 V/m

2 .

3 .

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,

be less than the compliance level in

each frequency range.

Interference may occur in the vicinity

of equipment

marked with the following symbol:

Table 4

80 MHz to 800 MHz

2 .

80 MHz to 800 MHz

800 MHz to 2.5 GHz

should

800 MHz to 2,5 GHz

3 .