Brainlab VECTORVISION Series Technical User Manual page 183

COMPLIANCES AND SPECIFICATIONS
IEC 61000-4-8
Immunity Test
Power frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8
EN 61000-4-8:
1993 + A1: 2001
Portable and mobile RF communications equipment should be used no closer to any part of the
system, including cables, than the recommended separation distance calculated from the equa-
tion applicable to the frequency of the transmitter.
IEC 61000-4-6,
IEC 61000-4-3
Immunity Test
Conducted RF
IEC 61000-4-6
EN 61000-4-6:
2002
Radiated RF
IEC 61000-4-3
EN 61000-4-3:
2002
+ A1: 2002
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
should be less than the compliance level
a
phones 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 mea-
sured field strength in the location in which the system is used exceeds the applicable RF com-
pliance level above, the system should be observed to verify normal operation. If abnormal
performance is observed, additional measures may be necessary, such as reorienting or relo-
cating the system.
b
Technical User Guide Rev. 2.7 VectorVision & Kolibri
IEC 60601 Test Level
& Compliance Level
3 A/m
IEC 60601
Test Level
3 Vrms
150 kHz to
80 MHz
3 V/m
8 0 M Hz t o
2.5 GHz
Interference may occur in the vicinity of equipment marked with this symbol:
Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) tele-
Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.
Electromagnetic Environment - Guidance
Power frequency magnetic fields should be at
levels characteristic of a typical location in a
typical commercial or hospital environment.
Compliance Electromagnetic Environment -
Level Guidance
Recommended separation distance:
,
d = 1 17 P
3 V
,
d = 1 17 P
3 V/m
80 MHz to 800 MHz
,
d = 2 33 P
800 MHz to 2.5 GHz
b
in each frequency range.
a
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