Precision single-phase power analyser

14 January 2014

Tektronix launches a power analyser that claims to give engineers best-in-class accuracy, bandwidth and feature set.

The PA1000 single-phase power analyser features a patent pending Spiral Shunt design. The analsyser is claimed to provide engineers designing and testing power supplies, consumer electronics and other electrical products accurate power measurements in the shortest possible time. Features such as a colour graphical display, one-button application modes and intuitive menu system ease set up and  the powerful PWRVIEW PC software includes reporting features such as a full compliance IEC62301 standby power certificate.

Engineers developing power supplies for single-phase electronics face new demands for greater energy efficiency and lower line pollution, along with a growing array of government regulations and commercial demands to reduce energy consumption. As new semiconductor technologies such as GaN (Gallium Nitride) and SiC (Silicon Carbide) emerge to meet these demands, new test and measurement tools are required to keep pace. This model offers 0.05% basic accuracy and 1MHz measurement bandwidth. Two internal current shunts are included on each PA1000 — one for current measurements up to 1A, for precise low-current measurements, and another for current measurements up to 20A. The 1A shunt is particularly useful for maintaining measurements resolution and accuracy on demanding low-current signals common to standby power testing.

A colour graphics display, unusual in this instrument class, makes setup and other tasks easy and intuitive, with one-button access to measurement results, power waveforms, harmonic bar graphs, and menus. Application-specific test modes for standby current, lamp ballast testing and energy integration are included. The software simplifies testing with one-click test automation for compliance-test applications.

Standard features include LAN, USB and GPIB interfaces, harmonic analysis, and PC software and a five-year warranty.

RMS voltage accuracy was rated at ± 0.04% and has now been improved to a rating of ± 0.01%.

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