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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
See NOTE 2 and NOTE 3
3 Vrms
3 V/m
Portable and mobile RF communications
equipment should be used no closer
to any part of the HemoCue systems,
including cables, than the recommended
separation distance calculated from the
equation applicable to the frequency of
the transmitter
Recommended separation distance
d=1.2
√P
d=1.2
√P 80 MHz to 800 MHz
d=2.3
√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 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.
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