schwa-medico StimaWELL 120MTRS Operating Manual page 64

64 OPERATING MANUAL STIMAWELL® 120MTRS
Magnetic field at
supply frequency
(50/60 Hz) as per
IEC 61000-4-8
NOTE U
Guidelines and manufacturer's declaration – electromagnetic interference resistance
The StimaWELL®120MTRS is designated for operation in the electromagnetic environment stated below.
The customer or the operator of the StimaWELL®120MTRS should ensure that it is operated in such an
environment.
Testing of IEC 60601 test level
interference
resistance
Conducted RF
interference as
per IEC 61000- 3 V
eff
4-6 150 kHz to 80 MHz
Emitted RF 3 V/m
interference as 80 MHz to 2.5 GHz
per IEC 61000-
4-3
3 A/m
is the mains a.c. voltage prior to application of the test level
T
Compliance level
3 V
3 V/m
3 A/m
Electromagnetic environment - guidelines
Portable
devices should not be used in a closer
proximity to the StimaWELL®120MTRS or
its cable than the protective distance
calculated according to the equation
calculated for the transmission frequency.
Recommended protective distance:

d

d
MHz
eff

d
GHz
with P as nominal output of the transmit-
ter in Watt as per the specifications of the
transmitter manufacturer and d as rec-
ommended protective distance in metres
[m]
The field strength of stationary radio
transmitters should be lower than the
compliance level
course of an inspection on site.
Disturbance is possible in the vicinity of
devices bearing the following symbol.
A
Magnetic fields at mains frequency
should correspond to the typical
values found in a commercial and
hospital environment.
and mobile communication
 
3 5 ,
P
 
 
U 1
 
3 5 ,
P
 
for 80 MHz to 800
 
E 1
 
7
P
 
for 800 MHz to 2.5
 
E 1
a
, determined in the
EN
b