Beurer BC 81 Mode D'emploi page 102

Guidance and manufacture's declaration – electromagnetic immunity – for EQUIPMENT and SYSTEMS that are not LIFE-SUPPOR-
TING
Guidance and manufacture's declaration – electromagnetic immunity
The BC81 blood pressure monitor is intended for use in the electromagnetic environment specified below. The customer or the user of the
BC81 blood pressure monitor should assure that it is used in such an environment.
Immunity test IEC 60601
test level
Conducted RF 3 V
rms
IEC 61000-4-6 150 kHz to
80 MHz
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
a
radio, AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy. To assess the electromagne-
tic environment due to fixed RF transmitters, an electromagnetic site survey should be considered. If the measured field strength in the
location in which the BC81 blood pressure monitor is used exceeds the applicable RF compliance level above, the BC81 blood pressure
monitor should be observed to verify normal operation. If abnormal performance is observed, additional measures may be necessary,
such as reorienting or relocating the BC81 blood pressure monitor.
Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.
b
Compliance Electromagnetic environment – guidance
level
Portable and mobile RF communications equipment should be used no closer to any part
of the BC81 blood pressure monitor, including cables, than the recommended separation
distance calculated from the equation applicable to the frequency of the transmitter.
Recommended separation distance:
d =
3 V
rms
d = 80 MHz to 800 MHz
d = 800 MHz 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,
should be less than the compliance level in each frequency range.
Interference may occur in the vicinity of
equipment marked with the following symbol:
102
a
b