Power Transducer Measures Three-Phase Wattage Consumption

NK Technologies introduces its APT Series power transducers, which measure three phases of the current and voltage, and produces an analog signal proportional to the watts used.

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NK Technologies introduces its APT Series power transducers, which measure three phases of the current and voltage, and produces an analog signal proportional to the watts used. The monitor uses current transformers to measure the amperes, and the line voltage connects directly to the transducer, using as much as 600 VAC. The power transducer can be configured to accept 5 A secondary current transformers, or the company's ProteCT low-voltage output sensors. Either type of current sensing will produce an accurate output signal to help identify areas of excessive energy consumption and enable intervention to reduce demand.

The APT power transducers are well-suited for applications in plant energy management, conveyors and pump monitoring, and can be used to measure the power usage of a single piece of equipment, an area of a plant or the entire facility. It can detect conveyor jams and overloads, and check that belts are loaded properly. The transducers can also detect dry run from clogged pump intake or discharge lines and monitor impeller cavitation and bearing wear.

The power transducers are externally powered and offer 4-20 mA, 0-5 VDC or 0-10 VDC output. They are housed in a compact DIN mounted case with a low profile, which is said to reduce the need for large cabinet depth requirements. Additionally, their finger safe terminals are labeled for quick installation. 

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