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Beurer IH 40 Manual

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Table 3
For ME EQUIPMENT and ME SYSTEMS that are not LIFE-SUPPORTING
Guidance and manufacturer’s declaration – electromagnetic immunity
The IH 40 is intended for use in the electromagnetic environment specified below. The customer or the user of the IH 40 should assure
that it is used in such an environment.
Immunity test IEC 60601
test level
Compliance
level
Electromagnetic environment – guidance
Conducted RF
IEC 61000-4-6
Radiated RF
IEC 61000-4-3
3 V
rms
150 kHz to
80 MHz
3 V/m
80 MHz to
2,5 GHz
3 Vrms
3 V/ m
Portable and mobile RF communications equipment should be used no closer to any part
of the IH 40, including cables, than the recommended separation distance calculated from
the equation applicable to the frequency of the transmitter.
Recommended separation distance:
d = 1,2
d = 1,2 80 MHz to 800 MHz
d = 2,3
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 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:
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 aected 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 electromagne- tic
environment due to fixed RF transmitters, an electromagnetic site survey should be considered. If the measured field strength in the
location in which the IH 40 is used exceeds the applicable RF compliance level above, the IH 40 should be observed to verify normal
operation. If abnormal performance is observed, additional measures may be necessary, such as re-orienting or relocating the IH 40.
b
Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.
Table 4
For ME EQUIPMENT and ME SYSTEMS that are not LIFE-SUPPORTING
Recommended separation distances between portable and mobile RF communications equipment and the IH 40
The IH 40 is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The customer or the user
of the IH 40 can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF commu-
nications equipment (transmitters) and the IH 40 as recommended below, according to the maximum output power of the communications
equipment.
Rated maximum output
power of transmitter
(W)
Separation distance according to frequency of transmitter
(m)
150 kHz to 80 MHz
d = 1,2
80 MHz to 800 MHz
d = 1,2
800 MHz to 2,5 GHz
d = 2,3
0,01 0,12 0,12 0,23
0,1 0,38 0,38 0,73
1 1,2 1,2 2,3
10 3,8 3,8 7,3
100 12 12 23
For transmitters rated at a maximum output power not listed above, the recommended separation distance d in meters (m) can be deter-
mined using the equation applicable to the frequency of the transmitter, where P is the maximum output power rating of the transmitter in
watts (W) according to the transmitter manufacturer.
NOTE 1 At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies.
NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is aected by absorption and reflection from
structures, objects and people.
… 78


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