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I.E.M. Tel-O-Graph GSM - Immunity to RF Disturbances

I.E.M. Tel-O-Graph GSM
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Manufacturer’s EMC guidelines
44
Measurement of
interference emissions
IEC 60601-1 test
level
Compliance level
Electromagnetic environment
guidelines
IEC 61000-4-3
80 MHz to 2.5 GHz
used no closer to the
Tel-O-Graph
®
GSM (including wires) than
the recommended safety distance
calculated using the equation that applies
to the transmission frequency.
Recommended safety distance:
d = 1.2 * P(W) for 80 Mhz to 800 Mhz
d = 2.3 * P(W) for 800 Mhz to 2.5 Ghz
where P = maximum nominal output of
the transmitter in watts as per the
transmitter manufacturers specifications
and d = recommended safety distance in
metres (m).
The field strength of stationary radio
wireless transmitters should be lower
than the compliance level at all
frequencies, as shown by an on-site
examination. Interference is possible in
the vicinity of devices bearing the graphic
symbol non-ionising radiation.

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