neuroConn DC-Stimulator, Руководство пользователя

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Chapter 8 - Electromagnetic compatibility
60
Immunity test IEC 60601 test
level Compliance
level Electromagnetic environment -
guidance
Electrostatic discharge
IEC 61000-4-2 ±6 kV (contact)
±8 kV (air) passed, B Floors should be wood concrete or
ceramic tile. If floors are covered with
synthetic material the relative humidity
should be at least 30 %.
Electric fast transient/
burst
IEC 61000-4-4 2 kV (peak) for
power supply lines not applicable
line length smaller than 3 m, use of battery during
therapy
Surge
IEC 61000-4-5 ±1 kV differential
mode
±2 kV common
mode not applicable
line length smaller than 3 m, use of battery during
therapy
Voltage dips, short
interruptions and
voltage variations on
power supply input lines
IEC 61000-4-11 > 95 % reduction
for 1 cycle
30 % reduction
for 25 cycles
60 % reduction
for 5 cycles
> 95 % reduction
for 250 cycles not applicable
use of battery during therapy
Power frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8 50 Hz
3 A/m (rms) passed Power frequency magnetic fields
should be at levels characteristic of a
typical location in a typical commercial
or hospital environment.
Conducted RF
IEC 61000-4-6 0.15-80 MHz
3 V (unmodulated)
80 % AM (1 kHz) not applicable
line length smaller than 3 m, use of battery during
therapy
Portable and mobile RF
communications equipment should be
used no closer to any part of the device
or system, including cables, than the
recommended separation distance