"We developped energy-conserving air conditioners by attaching sensors in a room. The sensors detect the presence of people and light to automatically stop airconditioning a room when it isn't being used. I have used other power meters before, but the Yokogawa PZ4000 Power Analyzer's color-display of power values and the transient waveform analysis function are particularly appealing."
Yuichi Takeda
Home Appliances Division,
Sanyo Electric Corp. Japan
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