10
EN
KEELER K-LED II
Immunity test IEC 55015 Test
level
Compliance
level
Electromagnetic
environment – guidance
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 cycles
40%
U
T
(60% dip in
U
T
) for
10 cycles
70%
U
T
(30% dip in
U
T
) for
25 cycles
<5%
U
T
(> 95% dip in
U
T
) for
0.5 cycles
40%
U
T
(60% dip in
U
T
) for
10 cycles
70%
U
T
(30% dip in
U
T
) for
25 cycles
Mains power quality should be
that of a typical commercial or
hospital environment.
If the user of the Keeler Spectra
Iris/K-LED requires continued
operation during power mains
interruptions, it is recommended
that the charger be powered from
an uninterruptible power supply.
Note:
U
T
is the a. c. mains voltage prior to application of the test level.
Immunity
test
IEC 60601
Test level
Compliance
level
Electromagnetic environment
– guidance
Charger only
Portable and mobile RF communications equipment
should be used no closer to any part of the Keeler
Spectra Iris/K-LED, including cables, than the
recommended separation distances calculated from the
equation applicable to the frequency of the transmitter.
Recommended separation distance
d = 1.2 √ p
d = 1.2 √ p 80MHz to 800MHz
d = 2.3 √ p 800MHz to 2.7GHz
Where p is the maximum output power rating of the
transmitter in watts(W) according to the transmitter
manufacturer and d is the recommended separation
distance in metres(m).
Field strengths from fixed RF transmitters, as
determined by an electromagnetic site survey¹,
should be less than the compliance level in each
frequency range².
Interference may occur in the vicinity of
equipment marked with the this symbol.
Conducted
RF IEC
61000-4-6
3 Vrms
150 kHz to
230 MHz
3 V
Spectra/K-LED only
Radiated
RF IEC
61000-4-3
10V/m
80MHz to
2.7GHz
10 V/m
Note 1: At 80MHz and 800MHz, the higher frequency range applies.
Note 2: These guide lines may not apply in all situations. Electromagnetic propagation is affected by absorption and
reflection from structures, objects and people.
1
Field strengths from fixed transmitters, such as base stations (cellular / cordless) telephones and land mobile
radios, amateur radio, AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with
accuracy. To assess the electromagnetic environment due to fixed RF transmitters, an electromagnetic site survey
should be considered. If the measured field strength in the location in which the Keeler Spectra Iris/K-LED is used
exceeds the applicable RF compliance level above, the Keeler Spectra Iris/K-LED should be observed to verify normal
operation. If abnormal performance is observed, additional measures may be necessary, such as re-orientating or
relocating the Keeler Spectra Iris/K-LED.
2
Over the frequency range 150kHz to 230 MHz, field strengths should be less than 3 V/m.
