Instructions for use MONSOON 5.6e
55/61 20/09/2010
Guideline and manufacturer declaration – electromagnetic immunity
The device "MONSOON" is intended for operation in the environment described below. The customer or user of the "MONSOON"
apparatus should ensure it is operated in this type of environment.
Immunity testing
IEC60601
test level
Compliance level Electromagnetic environment – guideline
Never use portable or mobile radio devices closer to the
"MONSOON", including cables, than the recommended
safety distance calculated using the equation applicable
to the transmission frequency.
Recommended safety distance
HF interference cur-
rents
IEC 61000-4-6
3 V
eff
150 kHz to 80 MHz
beyond ISM
bands
a
10 V
eff
150 kHz to 80 MHz
within ISM bands
b
10 V
10 V
d = 0.35•P
d = 1.2•P
HF interference radia-
tion
IEC 61000-4-3
10 V/m
80 MHz to 2.5 GHz
10 V/m d = 1.2•P 80 MHz to 800 MHz
d = 2.3•P 800 MHz to 2.5 GHz
P
being the transmitter’s nominal rating in Watts (W) per
manufacturer specifications and
d
being the recom-
mended safety distance
b
in metres (m).
The field strength of stationary radio transmitters should
be below the compliance level
d
on all frequencies as
tested on site
c
.
Interference may occur in proximity of apparatuses
bearing the following symbol:
REMARK 1 At 80 MHz and 800 MHz the higher frequency range applies.
REMARK 2 These guidelines may not apply to all case. The propagation of electromagnetic quantities is influenced by absorption
and reflexion of buildings, objects and people.
a
The ISM bands (industrial, scientific and medical) 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 40.7 MHz.
b
The compliance levels in ISM frequency bands between 150 kHz and 80 MHz and between 80 MHz and 2.5 GHz are defined
as such so as to decrease the probability of mobile/portable transmitters causing interference in the event they are acci-
dentally brought in to the vicinity of the patient. For this reason an additional factor of 10/3 is used when calculating the
recommended safety distance of transmitters in this frequency range.
c
In theory the field intensity of stationary transmitters, as e.g. base units of radio telephones (mobile/cordless) and mobile
land radio devices, amateur radio stations, AM and FM radio stations and television stations cannot be predefined precise-
ly. A study of the location should be conducted to determine the electromagnetic environment with regard to stationary
transmitters. If the field intensity at the location where the "MONSOON" is used exceeds the above compliance levels,
"MONSOON" should be monitored for proper function. If unusual performance characteristics are observed, additional
measures may be required, as e.g. changing the direction or location of the "MONSOON".
d
Above a frequency range of 150kHz to 80MHz the field intensity should be below 10 V/m.
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