Owner manual

16
SPECIFICATIONS
Guidance and manufacturer’s declaration - electromagnetic immunity
The chair is intended for use in the electromagnetic environment specied below. The customer or the user of the
chair should assure that it is used in such an environment.
Immunity Test IEC 60601 test level Compliance level
Electromagnetic
environment - guidance
Electrostatic discharge (ESD)
IEC 61000-4-2
±6 kV contact
±8 kV air
±6 kV contact
±8 kV air
Floors should be wood, con-
crete or ceramic tile. If oors
are covered with synthetic
material, the relative humidity
should be at least 30 %.
Electrical fast transient/burst
IEC 61000-4-4
±2 kV for power supply lines
±1 kV for input/output lines
±2 kV for power supply lines
Not applicable
Mains power quality should be
that of a typical commercial or
hospital environment.
Surge
IEC 61000-4-5
±1 kV differential mode
±2 kV common mode
±1 kV differential mode
±2 kV common mode
Mains power quality should be
that of a typical commercial or
hospital environment.
Voltage dips, short interrup-
tions and voltage variations
on power supply input lines
IEC 61000-4-11
<5 % UT
(>95 % dip in UT)
for 0,5 cycle
40 % UT
(60 % dip in UT)
for 5 cycles
70 % UT
(30 % dip in UT)
for 25 cycles
<5 % UT
(>95 % dip in UT)
for 5 sec
<5 % UT
(>95 % dip in UT)
for 0,5 cycle
40 % UT
(60 % dip in UT)
for 5 cycles
70 % UT
(30 % dip in UT)
for 25 cycles
<5 % UT
(>95 % dip in UT)
for 5 sec
Mains power quality should be
that of a typical commercial
or hospital environment. If
the user of the chair requires
continued operation during
power mains interruptions, it
is recommended that the chair
be powered from an uninter-
ruptible power supply or a
battery.
Power frequency (50/60 Hz)
magnetic eld IEC 61000-4-8
3 A / m 3 A / m
Power frequency magnetic
elds should be at levels
characteristic of a typical loca-
tion in a typical commercial or
hospital environment.
NOTE UT is the a.c. mains voltage prior to application of the test level.