CISPR 15:2018/ISH1:2019

Interpretation Sheet 1 - Limits and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment

CISPR 15:2018/ISH1:2019

Name:CISPR 15:2018/ISH1:2019   Standard name:Interpretation Sheet 1 - Limits and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment
Standard number:CISPR 15:2018/ISH1:2019   language:English language
Release Date:13-Nov-2019   technical committee:CIS/F - Interference relating to household appliances tools, lighting equipment and similar apparatus
Drafting committee:   ICS number:33.100.10 - Emission

INTERNATIONAL ELECTROTECHNICAL COMMISSION
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CISPR 15
Edition 9.0  2018-05
LIMITS AND METHODS OF MEASUREMENT
OF RADIO DISTURBANCE CHARACTERISTICS OF
ELECTRICAL LIGHTING AND SIMILAR EQUIPMENT

INTERPRETATION SHEET 1
This interpretation sheet has been prepared by subcommittee CISPR F: Interference relating to
household appliances tools, lighting equipment and similar apparatus, of IEC technical
committee CISPR: International special committee on radio interference.
The text of this interpretation sheet is based on the following documents:
DISH Report on voting
CIS/F/777/DISH CIS/F/790/RVDISH

Full information on the voting for the approval of this interpretation sheet can be found in the
report on voting indicated in the above table.

___________
CISPR 15 interpretation sheet on the worst-case mode of operation
Introduction
Subclause 7.5 specifies the operating modes of lighting equipment that must be considered
during an emission test. A few examples are given to support the explanation of what ‘different
operating modes’ means. The list of examples is of course not exhaustive. Apparently, the
example of ‘colour shifting’ is not clear enough and it is sometimes interpreted as if any possible
colour and/or correlated colour temperature (CCT) setting that lighting equipment may produce
shall be assessed during measurements. Many types of LED lighting may be set in many
different colours and CCTs. Compared to other operational-mode related influence quantities
such as light level regulation, flashing or radio communication, the risk of not capturing the
maximum level of electromagnetic (EM) disturbances due to different colour or CCT settings is
very small, provided that all channels of a LED driver used to change colour or CCT are
operative. The ‘colour shifting’-example was meant for example for a mode where the light
output continuously switches from one colour to another with a certain repetition frequency (e.g.
appli
...

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