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Digital power enclosed

Yokogawa has, for the first time, packaged two high-accuracy, three-phase power meters into a benchtop enclosure.

The new WT1600 is a wideband digital power analyser designed for a variety of power measurement applications – from high-sensitivity energy-saving investigations to high power measurements in rotating machinery. The new instrument incorporates a colour TFT screen which will display both numerical data and allow voltage and current inputs to be viewed as waveforms or vectors.The WT1600 will accept up to six plug-in measurement modules, each incorporating a voltage and current input. As a result, it is possible to carry out tests on two three-phase systems simultaneously, a feature which is useful when investigating inverter efficiency, for example. The basic instrument is able to measure DC currents up to 50A but external shunts and transformers allow much higher currents to be measured.