
User Manual for Handheld Pulse Oximeter
48
Immunity test
IEC60601
test level
Compliance
level
Electromagnetic
environment -guidance
Conducted RF
IEC61000-4-6
Radiated RF
IEC61000-4-3
3 Vrms
150 kHz to
80 MHz
3 V/m
80 MHz to
2.5 GHz
N/A
3 V/m
Portable and mobile RF
communications
equipment should be
used no closer to any
part of The Oximeter,
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
80MHz to
800MHz
d=2.3
P
800MHz to
2.5GHz
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
metres (m).
b
Field strengths from
fixed RF transmitters, as