iHealth BP7 Посібник користувача - Сторінка 15

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iHealth BP7 Посібник користувача
Guidance and manufacturer's declaration - electromagnetic immunity
The Wireless Blood Pressure Wrist Monitor is intended for use in the electromagnetic environment
specified below. The customer or the user of the Wireless Blood Pressure Wrist Monitor should
assure that it is used in such an environment.
IMMUNITY
IEC 60601test
test
Conducted RF
IEC 61000-4-6
3 Vrms 150 kHz
to 80 MHz
Radiated RF
IEC 61000-4-3
3 V/m 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.
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
Compliance
level
level
3 V
3 V/m
Electromagnetic environment - guidance
Portable and mobile RF communications
equipment should be used no closer to any
part of the monitor, 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 meters
(m).
Field strengths from fixed RF transmitters, as
determined by an electromagnetic site
a
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:
b
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