Keeler Slit Lamp H Series, Инструкция по эксплуатации

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18
S L I T L A M P b y K E E L E R www.keeler.co.uk
The Keeler Slit Lamp is a medical electrical instrument. The instrument
requires special care concerning electromagnetic compatibility (EMC).This
Section describes its suitability in terms of electromagnetic compatibility
of this instrument. When installing or using this instrument, please read
carefully and observe what is described here.
Portable or mobile-type radio frequency communication units may have an
adverse effect on this instrument, resulting in malfunctioning.
15.1 electromagnetic emiSSionS
guidance and manufacturer’s declaration – electromagnetic emissions
The Keeler Slit Lamp is intended for use in the electromagnetic
environment specified below. The customer or user should assure that it
is used in such an environment.
Emissions test Compliance Electromagnetic environment - guidance
RF emissions
CISPR 11
Group 1 The Keeler Slit Lamp uses RF energy only for
its internal function. Therefore, its RF emissions
are very low and are not likely to cause any
interference in nearby electronic equipment.
RF emissions
CISPR 11
Class B The Keeler Slit lamp is suitable for use
in all establishments, including domestic
establishments and those directly connected to
the public low-voltage power supply network that
supplies buildings used for domestic purposes.
Harmonic
emissions
IEC 61000-3-2
Class A
Voltage
fluctuations /
flicker emissions
IEC 61000-3-3
Complies
15.2 interference immunity
guidance and manufacturer’s declaration – electromagnetic immunity
The Keeler Slit Lamp is intended for use in the electromagnetic
environment specified below. The customer or user should ensure that it
is used in such an environment.
Immunity test
IEC 60601 Test
level
Compliance level
Electromagnetic environment
- guidance
Electrostatic
discharge
(ESD).
IEC 6100-4-2
± 6 kV contact
± 8 kV air
± 6 kV contact
± 8 kV air
The Keeler Slit Lamp uses
RF energy only for its internal
function. Therefore, its RF
emissions are very low and are not
likely to cause any interference in
nearby electronic equipment.
Electrical fast
transient/burst.
IEC 61000-4-4
± 2 kV for power
supply lines
± 1 kV for power
supply lines
± 2 kV for power
supply lines
± 1 kV for power
supply 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) for
input/output line(s)
± 1 kV line(s) to
line(s)
± 2 kV line(s) for
input/output line(s)
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
)
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 s
<5% U
T
(> 95% dip in
U
T
)
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 s
Mains power quality should be
that of a typical commercial
or hospital environment. If the
user of the Keeler Slit Lamp
requires continued operation
during power mains interruptions,
it is recommended that the
instrument be powered from an
uninterruptible power supply.
Power
frequency
(50/60 Hz)
magnetic field.
IEC 61000-4-8
3 A/m 3 A/m Power frequency magnetic
fields should be at a level
characteristic of a typical location
in a typical commercial or hospital
environment.
Note:
U
T
is the a. c. mains voltage prior to application of the test level.
15 SpecificationS and electrical ratingS