15. Specifications and electrical ratings
The Keeler Portable 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.
1. Portable or mobile-type radio frequency communication units may have an adverse effect on this
instrument, resulting in malfunctioning.
Guidance and manufacturer’s declaration – electromagnetic emissions
The Keeler Portable 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
Group 1
The Keeler Portable Slit Lamp uses RF energy only for its
CISPR 11
internal function. Therefore, its RF emissions are very low and
are not likely to cause any interference in nearby electronic
equipment.
RF emissions
Class A
The Keeler Portable Slit Lamp is suitable for use in all
CISPR 11
establishments other than domestic and those directly
Harmonic emissions
Class A
connected to the public low-voltage power supply network
that supplies buildings used for domestic purposes.
IEC 61000-3-2
Voltage fluctuations /
Complies
flicker emissions
IEC 61000-3-3
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