IEC 6100043
3V/m 80kHz
to 2.5GHz
3V/m
d=1.2P80MHz to 800MHz
d=2.3P 800MHz to2.5MHz
Here P is the maximum
output power rating of the
transmitter in watts (W)
according to the transmitter
manufacturer and dis the
recommended separation
distance in meters (m). Field
strengths form fixed RF
transmitters, as determined
by an electromagnetic site
survey, should be less than
the compliance b level
in each frequency range.
Interference may occur in
the vicinity of equipment
marked with the following
symbol:
NOTE 1 At 90MHz and 800MHz, 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 thermometer is used exceeds the applicable
RF compliance level above, the thermometer should be observed
to verify normal operation. If abnormal performance is observed,
additional measures may be necessary, such as reorienting or
relocating the thermometer.
b) Over the frequency range 150kHz to 80MHz, field strengths should
be less than 3V/m.
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