2 3 6
C E F A R T E N S
Electrical fast
transient/burst
IEC 61000-4-4
Surge
IEC 61000-4-5
Voltage dips, short
interruptions and
voltage variations
on power supply
input lines
IEC 61000-4-11
Power frequency
(50/60 Hz) magnetic
field
IEC 61000-4-8
Note: UT is the a.c. mains voltage prior to application of the test level.
± 2 kV for power
supply lines
± 1 kV for input/
output lines
± 0.5kV, ± 1 kV
line(s) to lines
± 0.5kV, ± 1 kV, ± 2
kV line(s) to earth
0 % UT; 0.5 cycle
At 0°, 45°, 90°, 135°,
180°, 225°, 270°and
315°
0 % UT; 1 cycle and
70 % UT; 25/30
cycles
Single phase: at 0°
0 % UT; 250/300
cycles
30 A/m
30 A/m
± 2 kV for power
Mains power quality
supply lines
should be that of a typical
± 1 kV for input/
commercial or hospital
output lines
environment.
± 0.5kV, ± 1 kV
Mains power quality
line(s) to lines
should be that of a typical
± 0.5kV, ± 1 kV, ± 2
commercial or hospital
kV line(s) to earth
environment.
0 % UT; 0.5 cycle
At 0°, 45°, 90°, 135°,
Mains power quality
180°, 225°, 270°and
should be that of a typical
315°
commercial or hospital
environment. If the user
0 % UT; 1 cycle
of the Cefar TENS requires
and
continued operation during
70 % UT; 25/30
power mains interruptions,
cycles
it is recommended that the
Single phase: at 0°
Cefar TENS be powered from
an uninterruptible power
0 % UT; 250/300
supply or a battery.
cycles
Power frequency magnetic
fields should be at levels
characteristic of a typical
location in a typical
commercial or hospital
environment.