Welch Allyn SureSight Autorefractor - User Manual - Manual (Page 30)

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Guidance and Manufacturer’s Declarations
Emissions and Immunity Information
Electromagnetic Emissions
The SureSight is intended for use in the electromagnetic environment specified below. The
customer or user of the SureSight should assure that it is used in such an environment.
* SureSight is battery-powered and has no cable connections in use.
Emissions test Compliance Electromagnetic environment – guidance
RF emissions
CISPR 11
Group 1 The SureSight uses RF energy only for its internal
function. Therefore, its RF emissions are very low and
are not likely to cause any interference in nearby
electronic equipment.
RF emissions
CISPR 11
Class B The SureSight is suitable for use in all establishments,
including domestic establishments and those directly
connected to the public low-voltage power supply
network that supplies buildings used for domestic
purposes.
Harmonic
emissions
IEC 61000-3-2
NA *
Voltage
fluctuations/
flicker emissions
IEC 61000-3-3
NA *