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Qualistar power & energy quality analysers
Question no.1 (ask on 05/10/2021) : Hello, can the CA 8345 measure the TDD ?
answered on 05/10/2021 :
Hello,
Yes, calculation of the Total Demand distorsion (TDD) as defined by the Noth American standard IEEE 519 is available on the QualistarPlus CA 8336 and QualistarClass A 8345. This parameter is shown under the name chosen by the IEC 61000-4-7 international standard, THD-%r. It is a ratio between the harmonic orders and the total RMS value of the signal.
