Topcon KR-1W, Instruction Manual

Page: 169 / 188

Guidance and manufacturer's declaration - electromagnetic immunity
The KR-1W is intended for use in the electromagnetic environment specified below.
The customer or the user of the KR-1W 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, concrete
or ceramic tile. If floors are cov-
ered 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
±1 kV for
input/output lines
Mains power quality should be
that of a typical commercial or
hospital environment.
Surge
IEC 61000-4-5 ±1 kV
line(s) to line(s)
±2 kV
line(s) to earth
±1 kV
line(s) to line(s)
±2 kV
line(s) to earth
Mains power quality should be
that of a typical commercial or
hospital environment.
Voltage dips, short
interruptions and
Voltage variations
on power supply
input lines
IEC 61000-4-11 <5%
U
t
(>95% dip in
U
t
)
for 0.5 cycle
40%
U
t
(60% dip in
U
t
)
for 5 cycles
70%
U
t
(30% dip in
U
t
)
for 25 cycles
<5%
U
t
(>95% dip in
U
t
)
for 5 sec.
<5%
U
t
(>95% dip in
U
t
)
for 0.5 cycle
40%
U
t
(60% dip in
U
t
)
for 5 cycles
70%
U
t
(30% dip in
U
t
)
for 25 cycles
<5%
U
t
(>95% dip in
U
t
)
for 5 sec.
Mains power quality should be
that of a typical commercial or
hospital environment. If the user
or the KR-1W requires continued
operation during power mains
interruptions, it is recommended
that the KR-1W be powered from
an uninterruptible power supply
or battery.
Power frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8 3 A/m 3 A/m Power frequency magnetic fields
should be at levels characteristic
of a typical location in a typical
commercial or hospital environ-
ment.
NOTE
U
t
is the a.c. mains voltage prior to application of the test level.
167
SPECIFICATIONS