Reichert OptoChek Plus User Manual page 34

Auto refractor / keratometer
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Guidance & Manufacturer's Declarations
Table 202 – Guidance and Manufacturer's Declaration
Guidance and Manufacturer's Declaration – Electromagnetic Immunity
The OptoChek Plus is suitable for use in all establishments and is intended for use in
the electromagnetic environment specified below. The customer or user of the Opto-
Chek Plus should ensure that it is used in such an environment.
Immunity
Test
ESD
IEC 61000-4-2
EFT
IEC 61000-4-4
Surge
IEC 61000-4-5
Voltage
Dips/Dropout
IEC 61000-4-11
Power Frequency
50/60Hz
Magnetic Field
IEC 61000-4-8
34
Electromagnetic Immunity
All Equipment and Systems
IEC 60601
Test Level
±8kV Contact.
±8kV Contact.
±2kV, ±4kV, ±8kV,
±2kV, ±4kV, ±8kV,
±15kV Air.
±15kV Air.
±2kV Mains.
±2kV Mains
±1kV I/Os.
±1kV I/Os
±0.5kV, ±1kV Differential.
±0.5kV, ±1kV Differential.
±0.5kV, ±1kV, ±2kV, Com-
±0.5kV, ±1kV, ±2kV, Com-
mon.
mon.
>95% Dip
>95% Dip
for 0.5 Cycle
for 0.5 Cycle
30% Dip
30% Dip
for 25 Cycles
for 25 Cycles
>95% Dip
>95% Dip
for 5 Seconds
for 5 Seconds
100% Dip for 0.5 cycle
100% Dip for 0.5 cycle
at 0°, 45°, 90°, 135°,
at 0°, 45°, 90°, 135°,
180°, 225°, 270°, & 315°
180°, 225°, 270°, & 315°
100% Dip for 1 cycle
100% Dip for 1 cycle
at 0° & 180°
at 0° & 180°
30 A/m
30 A/m
Compliance
Environment
Level
Floors should be wood, concrete or
ceramic tile. If floors are synthetic,
the r/h should be at least 30%.
Mains power quality should be that
of a typical residential, commercial or hospital
environment.
Mains power quality should be that
of a typical residential, commercial or hospital
environment.
Mains power quality should be that
of a typical residential, commercial or hospital
environment. If the user of the
OptoChek Plus requires continued operation
during power mains interruptions,
it is recommended that the OptoChek Plus be
powered from an uninterruptible power supply
or battery.
If image distortion occurs, it may be neces-
sary to position OptoChek Plus further from
sources of power frequency magnetic fields
or to install magnetic shielding. The power
frequency magnetic field should be measured
in the intended installation location to assure
that it is sufficiently low.
(continued)
Electromagnetic
- Guidance
15170-101 Rev. F

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