Otodynamics Otoport Lite, Руководство пользователя, Страница: 191 / 208

Otoport OAE+ABR
User Manual for Otoport Lite model
191
Technical specifications
Guidance and manufacturer’s declaration – electromagnetic immunity
The Otoport is intended for use in the electromagnetic environment specified below. The customer or the
user of the Otoport should ensure that it is used in such an environment.
Immunity IEC 60601 Compliance Electromagnetic environment -
test test level level guidance
Portable and mobile RF communications equipment
should be used no closer to any part of the Otoport
including cables, than the recommended separation
distance calculated from the equation applicable to the
frequency of the transmitter.
Recommended separation distance
Conducted RF 3 Vrms 3 Vrms d = 1.2√ P
IEC 61000-4-6 150 kHz
to 80 MHz
Radiated RF 3 V/m 3 V/m d = 1.2√ P 80 MHz to 800 MHz
IEC 61000-4-3 80 MHz d = 2.3√ P 800 MHz to 2.5 GHz
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 metres (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:
Notes:
1 At 80 MHz and 800 MHz, the higher frequency range applies.
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 environment due to fixed RF transmitters, an electromagnetic site survey should be considered.
If the measured field strength in the location in which the Otoport is used exceeds the applicable RF compliance level above,
the Otoport should be observed to verify normal operation. If abnormal performance is observed, additional measures may be
necessary, such as re-orienting or relocating the Otoport.
(b) Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.