EMC
V-3
Conducted RF
IEC 61000-4-6
3 V RMS
0.15 MHz to 80
MHz
6 V RMS in ISM
and between 0.15
MHz and 80 MHz
3 V RMS
0.15 MHz to 80
MHz
6 V RMS in
ISM and
between 0.15
MHz and 80
MHz
Portable and mobile RF communications
equipment should be used no closer to any part of
CM1200B Electrocardiograph, including cables,
than the recommended separation distance
calculated from the equation applicable to the
frequency of the transmitter.
Recommended separation distance
800 MHz to 2.7 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 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:
Radiated RF
IEC 61000-4-3
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 RF 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 CM1200B Electrocardiograph is used exceeds the applicable RF compliance level
above, CM1200B Electrocardiograph should be observed to verify normal operation. If abnormal
performance is observed, additional measures may be necessary, such as reorienting or relocating
CM1200B Electrocardiograph.
b Over the frequency range 0.15 MHz to 80 MHz, field strengths should be less than 3 V/m.
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