IEM Tel-O-Graph GSM, Operating Manual

Page: 99 / 304

Manufacturer’s EMC guidelines
47
EN
Electromagnetic immunity
The Tel-O-Graph
®
GSM is intended to be operated in the electromagnetic environment specified below. Only use
the Tel-O-Graph
®
GSM in such an environment.
Measurement of
interference emissions IEC 60601-1 test
level
Compliance level
Electromagnetic environment
–
guidelines
Electrostatic discharge
(ESD) in accordance with
IEC 61000-4-2
+/- 8kV
contact discharge
+/- 15kV
air discharge
+/- 8kV
contact discharge
+/- 15kV
air discharge
Floors should consist of wood or cement
or ceramic tiles. If the floor consists of
synthetic materials, relative humidity
must be at least 30%.
RF radiated disturbances
in accordance with
IEC 61000-4-3
10 V/m
80 MHz to 2.7 GHz
10 V/m
Do not use wearable or portable radio
equipment closer to the Tel-O-Graph®
GSM or its cables than the
recommended safe distance.
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
”
.