Pd 2. 1, Pd 3. 2 – Beurer BM 47 User Manual

Page 101

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background image

Por

table

and

mobile

RF

communications

equipment

should

be

used

no

closer

to

any

par

t

of

the

B

M

4

7,

including

cables,

than

the

recommended

separ

ation

distance

calculat

ed

from

the

equation

applicable

to

the

frequency

of

the

transmitt

er

.

Recommended

separ

ation

distance:

Radiat

ed

RF

IEC

61000-4-3

3

V/m

80

MHz

to

2.5

GHz

3

V/m

P

d

2.

1



80

MHz

to

800

MHz

P

d

3.

2



800

MHz

to

2,5

GHz

Wher

e

P

is

the

maximum

output

power

rating

of

the

transmitt

er

in

watts

(W)

accor

ding

to

the

transmitt

er

manufactur

er

and

d

is

the

recommended

separ

ation

distance

in

met

ers

(m).

Field

str

engths

from

fix

ed

RF

transmitt

ers,

as

det

ermined

by

an

electr

omagnetic

sit

e

sur

vey,

a

should

be

less

than

the

compliance

level

in

each

frequency

range

.b

Int

er

fer

ence

may

occur

in

the

vicinity

of

equipment

mark

ed

with

the

following

symbol:

NO

TE

1

A

t 80

MHz

and

800

MHz,

the

higher

frequency

range

applies.

NO

TE

2

These

guidelines

may

not

apply

in

all

situations.

Electr

omagnetic

pr

opagation

is

affect

ed

by

absorption

and

reflection

from

struc

-

tur

es,

object

s

and

people.

a

Field

str

engths

from

fix

ed

transmitt

ers,

such

as

base

stations

for

radio

(cellular/cor

dless)

telephones

and

land

mobile

radios

, amat

eur

radio,

AM

and

FM

radio

br

oadcast

and

TV

br

oadcast

cannot

be

pr

edict

ed

theor

etically

with

accur

acy

. T

o

assess

the

electr

omagnetic

envir

onment

due

to

fix

ed

RF

transmitt

ers,

an

electr

omagnetic

sit

e

sur

vey

should

be

consider

ed.

If

the

measur

ed

field

str

ength

in

the

location

in

which

the

B

M

4

7

is

used

ex

ceeds

the

applicable

RF

compliance

level

above,

the

B

M

4

7

should

be

obser

ved

to

verify

normal

oper

ation.

If

abnormal

per

formance

is

obser

ved,

additional

mea

sur

es

may

be

necessar

y,

such

as

re-orienting

or

relocating

the

B

M

4

7.

b

Over

the

frequency

range

150

kHz

to

80

MHz,

field

str

engths

should

be

less

than

3

V/m.

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