Salter BPW-9154 MiBody Bluetooth Automatic Wrist Blood Pressure Monitor - Manual (Page 14)

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Table 4 Guidance and manufacturer’s declaration – electromagnetic immunity – for ME EQUIPMENT and ME SYSTEMS that
are not LIFE-SUPPORTING
Guidance and manufacture’s declaration – electromagnetic emission
The BPW-9154 is intended for use in the electromagnetic environment specified below. The customer or user of the
BPW-9154 should assure that it’s used in such an environment.
Immunity test
IEC 60601
test level
Compliance
level
Electromagnetic
environment - guidance
Conducted RF
IEC 61000-4-6
Radiated RF
IEC 61000-4-3
3 Vrms
150 kHz to
80 MHz
3 V/m
80 MHz to
2.5 GHz
N/A
3 V/m
Portable and mobile RF communications equipment should
be used no closer to any part of the BPW-9154, including
cables, than the recommended separation distance
calculated from the equation applicable to the frequency of
the transmitter.
Recommended separation distance
d = 1.167 √
—
P
d = 1.167 √
—
P 80 MHz to 800 MHz
d = 2.333 √
—
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
manufacture and d is the recommended separation
distance in metres (m).
Field strengths from fixed RF transmitters, as determined
by an electromagnetic site survey, a should be less than the
compliance level in each frequency range. b
Interference may occur in the vicinity of
equipment marked with the following symbol:
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 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 BPW-9154 is used exceeds the applicable RF compliance
level above, the BPW-9154 should be observed to verify normal operation. If abnormal performance is observed,
additional measures may be necessary, such as re-orienting or relocating the BPW-9154.
b Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3V/m.