Keeler Tonocare, Руководство пользователя

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35
6.0 Specifications and electrical ratings (EMC)
(continued)
Guidance and manufacturer’s declaration – electromagnetic immunity
The Keeler TonoCare is intended for use in the electromagnetic environment specified below. The customer or the user 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
± 8 kV contact
± 15 kV air
± 8 kV contact
± 15 kV air
Floors should be wood, concrete or ceramic tile. If
floors 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
± 1 kV for input/output lines
100kHz repetition frequency
Mains power quality should be that of a typical
commercial or hospital environment.
Surge.
IEC 61000-4-5
± 1 kV line(s) to neutral ± 1 kV line(s) to neutral Mains power quality should be that of a typical
commercial or hospital environment.
Voltage dips
IEC 61000-4-11
Voltage Interruptions
IEC 61000-4-11
<5%
U
T
(> 95% dip in
U
T
) for 0.5 cycle
<5%
U
T
(> 95% dip in
U
T
) for 1 cycle
40%
U
T
(60% dip in
U
T
) for 5 cycles
70%
U
T
(30% dip in
U
T
) for 500ms
<5%
U
T
(>95% dip in
U
T
) for 5s
0 %
U
T
; 0,5 cycle
At 0°, 45°, 90°, 135°, 180°, 225°,
270° and 315°
0 %
U
T
; 1 and 5 cycles
and
70 %
U
T
; 25/30 cycles:
Single phase: at 0°
0 %
U
T
for 250/300 cycles
Mains power quality should be that of a typical
commercial or hospital environment.
If the user of the Keeler TonoCare 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.