User guide

vi
Guidance and manufacture’s declaration – electromagnetic immunity
The 1528L is intended for use in the electromagnetic environment specified below. The customer or the user of the 1528L should
assure that it is used in such an environment.
Immunity Test IEC60601 test level Compliance level Electromagnetic environment – guidance
Conducted RF
IEC61000-4-6
Radiated RF
IEC61000-4-3
3 Vrms
150 kHz to 80 MHz
10 Vrms
80 MHz to 2.5 GHz
3 V
3 V/m
Portable and mobile RF communications equipment should
be used no closer to any part of the [EQUIPMENT or
SYSTEM], including cables, than the recommended
separation distance calculated from the equation applicable
to the frequency of the transmitter.
Recommended separation distance
__
d = 1,2 √P
__
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
manufacturer and d is the recommended separation distance
in meters (m).
b
Field strengths from fixed RF transmitters, as determined by
an electromagnetic site survey,
c
should be less than the
compliance level in each frequency range.
d
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 affected by absorption and reflection
from structures, objects and people.
a
The ISM (industrial, scientific, and medical) bands between 150 kHz and 80 MHz are 6,765 MHz to 6,795 MHz; 13,553
MHz to 13,567 MHz; 26,957 MHz to 27,283 MHz; and 40,66 MHz to 40,70 MHz.
b
The compliance levels in the ISM frequency bands between 150 kHz and 80 MHz and the frequency range 80 MHz to 2,5
GHz are intended to decrease the likelihood that mobile/portable communications equipment could cause interference if it is
inadvertently brought into patient areas. For this reason, an additional factor of 10/3 is used in calculating the recommended
separation distance for transmitters in these frequency ranges.
c
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 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 1528L is used exceeds the applicable RF compliance level above, the 1528L should be
observed to verify normal operation. If abnormal performance is observed, additional measures may be necessary, such as
reorienting or relocating the [EQUIPMENT or SYSTEM].
d
Over the frequency range 150 kHz to 80 MHz, field strengths should be less than [V1] V/m.