Electromagnetic compatibility
000000-2227-967-GA-GB-281021
117
Electromagnetic emission
Electromagnetic immunity
Emitted interference
Standard
Compliance
Conducted emission
CISPR 11
Group 1
Radiated interference
CISPR 11
Class B
Harmonic distortion
IEC 61000-3-2
Class A
Voltage fluctuations and flicker
IEC 61000-3-3
Complies
Phenomenon
Standard
Test level
Electrostatic discharge
IEC 61000-4-2
± 8 kV contact
± 2 kV, ± 4 kV, ± 8 kV, ± 15 kV air
(device, connection, (
3
,
4
,
5
, Fig. 5), chin rest)
Radiated RF EM fields
IEC 61000-4-3
10 V/m
80 MHz to 2.7 GHz
80 % AM at 1 kHz
Electrical fast transient/burst
IEC 61000-4-4
± 2 kV,
100 kHz repetition rate (power cable)
± 1 kV,
100 kHz repetition rate (data cable)
Surge voltage/surges line to line
IEC 61000-4-5
± 0.5 kV, ± 1 kV (power cable)
Surge voltage/surges line to earth
± 0.5 kV, ± 1 kV, ± 2 kV (power and data cables)
Conducted disturbances induced by RF
fields
IEC 61000-4-6
3 V
0.15 MHz to 80 MHz
6 V in ISM frequency bands between 0.15 MHz
and 80 MHz
80 % AM at 1 kHz (power and data cable)
Rated power frequency magnetic fields IEC 61000-4-8
30 A/m
50 Hz or 60 Hz
Voltage dips
IEC 61000-4-11
0% U
T
; 0.5 cycle
at 0°, 45°, 90°, 135°, 180°, 225°, 270° and 315°
0 % U
T
; 1 cycle and
70 %
UT
; 25 cycles @50 Hz/30 cycles @60 Hz
single-phase: at 0°
Voltage interruptions
0 % U
T;
250 cycles @50 Hz/300 cycles @60 Hz
Summary of Contents for VISUREF 150
Page 1: ...ZEISS VISUREF 150 Autorefractor Keratometer Documentation set...
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Page 5: ...ZEISS VISUREF 150 Autorefractor Keratometer User manual...
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