Beurer FT 78 Gebrauchsanweisung Seite 71

Table 3
Guidance and manufacturer's declaration – electromagnetic immunity
The FT78 Ear thermometer is intended for use in the electromagnetic environment specified below. The customer or the user of the FT78 Ear ther-
mometer should assure that it is used in such an environment.
I M M U N I T Y IEC 60601
test test level
Conducted RF 3Vrms
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 from radio (cellular/cordless) telephones and land mobile radios, amateur radio, AM
and FM radio broadcast and TV broadcast can not be predicted theoretic call 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 FT78 Ear
thermometer is used exceeds the applicable RF compliance level above, the FT78 Ear thermometer should be observed to verify normal opera-
tion. If abnormal performance is observed, additional measures may be necessary, such as reorienting or relocating the FT78 Ear thermometer.
Over the frequency range 150kHz to 80MHz, field strengths should be less than 3 V/m.
Compliance Electromagnetic environment – guidance
level
Portable and mobile RF communications equipment should be used no closer to any part of the FT78
Ear thermometer, including cables, than the recommended separation distance calculated from the
equation applicable to the frequency of the transmitter.
Recommended separation distance:
d = 1.2
3Vrms
d = 1.2 80 MHz to 800 MHz
3 V/m
d = 2.3 800 MHz to 2.5 GHz
Where P is the maximum output power rating of the transmitter in watts (W) according to the trans-
mitter manufacturer and d is the recommended separation distance in meters (m).
Field strengths from fixed RF transmitters, as determined by an electromagnetic site survey,
be less than the compliance level in each frequency range.
Interference may occur in the vicinity of equipment marked with the following symbol:
71
b
should
a