Safety Notes

106
Electromagnetic Compatibility
en
17.4 Guidelines and Manufacturer's Statement/Electromagnetic In-
terference Immunity
The device PG130/PG145 is intended for operation in an electromagnetic envi-
ronment as described below. The user of the device PG130/PG145 should make
sure the device is operated within such an environment.
Note 1: The higher frequency range applies at 80 MHz and 800 MHz.
Note 2: These guidelines are probably not realizable in all cases. The distribution
and spread of electromagnetic quantities differs depending on the absorption
and reflection of buildings, objects, and people.
a
The field strength of stationary transmitters, such as base stations of wireless
phones and cell phones, ham radio operators, AM and FM radio and TV stations
theoretically cannot always be determined in advance. A study of the installation
site should be considered to determine the electromagnetic environment con-
cerning the stationary transmitter. If the field strength measured at the usage
site of the device PG130/PG145 exceeds the compliance levels listed above, the
device PG130/PG145 should be monitored for proper function. If unusual perfor-
mance characteristics are observed, additional measures may be required such
as changing orientation or the location of the device PG130/PG145.
b
The field strength should be less than 3 V/m for the frequency range of 150 kHz
to 80 MHz.
Electromagnetic inter-
ference immunity tests
IEC 60601-1-2 test level Compliance levels Electromagnetic environment/guidelines
Conducted HF interfer-
ence quantities accord-
ing to IEC 61000-4-6
Radiated HF interference
quantities according to
IEC 61000-4-3
3 V
eff
150 kHz to
80 MHz
3 V/m 80 MHz to
2.7 GHz
3 V
eff
80 MHz to 800 MHz
3 V/m
80 MHz to 2.7 GHz
Portable and mobile wireless devices should not
be used in closer proximity to the device PG130/
PG145 (including cables/lines) than the recom-
mended safety distance calculated based on the
transmitting frequency and the applicable for-
mula. Recommended safety distances:
d=1.2P for 150 KHz to 80 MHz
d=1.2P for 80 MHz to 800 MHz
d=2.3P for 800 MHz to 2.7 GHz
P is the max. rated output of the transmitter in
watt (W) according to the information provided
by the manufacturer of the transmitter.
The recommended separation distance in meters
(m) is d.
The field strength of stationary transmitters for
all frequencies tested on site
a
should be lower
than the concordance level.
b
Interference is possible in the proximity of
devices featuring the following pictograph.
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