The TheraKair Visio MRS is intended for use in the electromagnetic environment specified below. The
customer or the end user of the TheraKair Visio MRS should ensure that it is used in such an environment.
Immunity Test
Conducted RF
EN / IEC 61000-4-6
Radiated RF
EN / IEC 61000-4-3
Note 1: At 80 MHz and 800 MHz, the higher frequency range applies.
Note 2: The guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from objects,
structures and people.
Field strengths from fixed transmitters, such as base stations for radio (cellular / cordless) telephones and land mobile radios, amateur radio,
a
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
TheraKair Visio MRS is used exceeds the applicable RF compliance level above, the TheraKair Visio MRS should be observed to verify normal
operation. If abnormal performance is observed, additional measures may be necessary, such as re-orienting or relocating the TheraKair Visio
MRS.
Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3V/m.
b
EN / IEC 60601
Test Level
3Vrms
3Vrms
150 kHz to
150 kHz to
80 MHz
80 MHz
3V/m
3V/m
80 MHz to
80 MHz to
2,5 GHz
2,5 GHz
Compliance
Intended Electromagnetic
Level
Portable and mobile RF
communications equipment should
be used no closer to any part of the
TheraKair Visio MRS, including cables,
than the recommended separation
distance calculated from the equation
applicable to the frequency of the
transmitter.
Recommended separation distance
3.5
d =
3.5
d =
80 MHz to 800 MHz
d =
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 minimum separation
distance in meters (m).
Field strengths from fixed RF
transmitters, as determined by an
electromagnetic site survey
be less than the compliance level in
each frequency range
Interference may occur in the vicinity
of equipment marked with the
following symbol:
42
Environment
√P
V1
√P
E1
7
√P
E1
a
, should
.
b