Precision power analysers

18 April 2008

The compact, high-precision Fluke Norma Series Power Analysers offer power measurement technology to assist the development, testing and manufacture of lighting, power supplies, transformers and automotive components

The analysers can be used in the field or as a bench unit in laboratories and on test benches. The series consists of the Fluke Norma 4000 three-phase power analyser and the Fluke Norma 5000 six-phase power analyser. Based on a patented high-bandwidth architecture, the instruments deliver measurements of single or three-phase current and voltage, harmonics analysis (up to the 40th), FFT (fast fourier transformation) analysis, as well as calculations of power and other derived values. They provide common mode rejection for any waveform, frequency, or phase shift. A unique user-configurable system design with plug-in power phases and other optional modules provides the flexibility to meet application measurement requirements. Recorded data and waveforms can be viewed in the large colour display and downloaded to a PC for analysis and report writing using the Fluke NormaView software supplied with the analyser.

The user interface ensures easy, intuitive operation, allowing users to specify the exact functionality required for the application. The Norma Power Analysers accurately display dynamic events on all phases at exactly the same point in time with simultaneous parallel acquisition of all phases. An optional PI1 process interface is available to measure torque and speed with external sensors; it includes four analogue outputs for easy use on motor and drive applications including inverters, for simultaneous measurement of all electrical and mechanical power parameters in the same time window; lighting systems, for detailed signal analysis at ballast outputs; transformers, for highly accurate efficiency and loss calculations of large power transformers even at very low power factors; automotive, to provide complete data on the efficiency and losses of individual components as well as the whole drive system and electric motors and inverters, for measurement of switching losses, torque transients and harmonics.

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