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Radiated RF IEC
3V/M 80 MHz to
61000-4-3
2.5Ghz
NOTE 1 At 80MHz 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, object and people.
ª Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and land mo-
bile radios, amateur radio, AM and FM radio broadcast cannot be predicted theoretically with accuracy. To assess the
electromagnetic site survey should be considered. If the measured field strength in the location in which the pulse
oximeter is used exceeds the applicable RF compliance level above, the pulse oximeter should be observed to verify
normal operation. If abnormal performance is observed, additional measures may be necessary, such as reorienting
or relocating the pulse oximeter.
Over the frequency range 150 KHz to 80 MHz, field strengths should be less the 3V/m
b
Recommended separation distances between portable and mobile RF communications for
EQUIPMENT or SYSTEMS that are not LIFE-SUPPORTING
Recommended separation distance between portable and mobile RF communications equipment and the pulse
The pulse oximeter is intended for use in the electromagnetic environment in which radiated RF disturbances
are controlled. The customer or the user of the Pulse oximeter can help prevent electromagnetic interferenceby
maintaining a minimum distance between portable and mobile RF communications equipment (transmitters)
and the pulse oximeter as recommended belo, according to the maximum output power of the communications
Rated maximum output
power of transmitter
(W)
0.01
DE
PT NL
SWE
3V/m
Separation distance according to frequency of transmitter (m)
80 MHz to 800 MHz
0.1167
PL
DK
Recommended separation distance
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 strength from fixed RD transmitters, as
determined by and electromagnetic site survey, ª
should be less than the compliance level in each
frequency range
Interference may occur in the vicinity of equipment
marked with the following symbol:
oximeter
equipment.
Pulse oximeter
b
800 MHz to 2.5 GHz
0.2334
37
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