EDAN SE-301 User Manual page 63

SE-301 Series Electrocardiograph User Manual
Guidance and manufacture's declaration – electromagnetic immunity
The Electrocardiograph is intended for use in the electromagnetic environment specified below.
The customer or the user of Electrocardiograph should assure that it is used in such an
environment.
Immunity
IEC 60601 test level
test
Conducted RF 3 V
IEC/ 150 kHz to 80 MHz
61000-4-6
Radiated RF 3 V/m
IEC 80 MHz to 2.5 GHz
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 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
Electromagnetic immunity
rms
Complianc Electromagnetic environment -
e level
Portable and mobile RF
communications equipment should be
used no closer to any part of the
electrocardiograph, including cables,
than the recommended separation
distance calculated from the equation
applicable to the frequency of the
transmitter.
Recommended separation distance
=
3 V
1
d
rms
3 V/m
=
1
d
=
2
d
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).
Field strengths from fixed RF
transmitters, as determined by an
electromagnetic site survey,
less than the compliance level in each
frequency range.
Interference may occur in the vicinity
of equipment marked with the
following symbol:
- 57 -
EMC Information
guidance
2 .
P
80 MHz to 800 MHz
2 .
P
800 MHz to 2.5 GHz
3 .
P
b
a
should be