11
Guidance and manufacture’s declaration - electromagnetic immunity
This Model 1101 is intended for use in the electromagnetic environment
specified below.
The customer or the user of the 1101 should assure that it is used in such an
environment.
Immunity test
Compliance level
Recommended separation distance
IEC 60601 test
level
Electromagnetic environment - guidance
Portable and mobile RF communications equipment
should be used no closer to any part of the 1101,
including cables, than the recommended separation
distance caluculated from the epuation applicable to the
frequency of the transmitter.
NOTE1: At 80 MHz and 800 MHz, the higher frequency range applies.
NOTE2: These quidelines may not apply in all situations. Electromagnetic propagation is affected by absorption
and reflection from structures, objects and people.
d = 1.2 P
Conducted RF
IEC 61000-4-6
Radiated RF
IEC 61000-4-3
*
1
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
shoule be considered. If the measured field strength in the location in which the 1101 is used exceeds the applicable
RF compliance level above, the 1101 should be observed to verify normal operation. If abnormal performance is
observed, additional measures may be necessary, such as re-orienting or relocating the 1101.
*
2
Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.
3 Vrms
150 kHz to 80 MHz
3 Vrms
150 kHz to 80 MHz
3 V/m
80 MHz to 2.5 GHz
3 V/m
80 MHz to 2.5 GHz
d = 1.2 P 80 MHz to 800 MHz
d = 2.3 P 800 MHz to 2.5 GHz
where P is the maximum output power rating of the
transmitter in watts (W) according to the transmitter
manufactuer and d is the recommended separation
distance in meters (m).
Field strengths from fixed RF transmitters, as
determined by an electromagnetic site survey*
1
, should
be less than the compliance level in each frequency
range*
2
.
Interference may occur in the vicinity of equipment
