SN EN 61000-4-15 : 1998

INTRODUCTION
1 Scope and object
2 Normative references
3 Description of the instrument
    3.1 General
    3.2 Block 1 - Input voltage adaptor and calibration
          checking circuit
    3.3 Block 2 - Square law demodulator
    3.4 Blocks 3 and 4 - Weighting filters, squaring and
          smoothing
    3.5 Block 5 - On-line statistical analysis
    3.6 Outputs
4 Specification
    4.1 Analogue response
    4.2 Input transformer
    4.3 Voltage adaptor
    4.4 Internal generator for calibration checking
    4.5 Squaring demodulator
    4.6 Weighting filters
    4.7 Overall response from input to output of block 3
    4.8 Range selector
    4.9 Squaring multiplier and sliding mean filter
    4.10 General statistical analysis procedure
    4.11 Temperature and humidity operating range of the
          instrument
5 Performance testing
6 Type test and calibration specifications
    6.1 General
    6.2 Insulation and electromagnetic compatibility
          tests (provisional)
    6.3 Climatic tests
Annex A (normative) Techniques to improve compatibility tests
        (provisional)
Annex B (informative) Meaning of [delta]V/V and number of voltage
        changes
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications
Bibliography
Figures
Tables

Provides a functional and design specification for flicker measuring apparatus for indication of the correct flicker perception level for all practical voltage fluctuation waveforms. Gives information for enablement of an instrument to be constructed. Gives a procedure for evaluating flicker severity on the basis of the output of flickermeters conforming with this standard.