Power monitor

Thursday July 10, 2014
July 10, 2014 - NK Technologies’ APN-R Series Power Monitor measures the power usage of a single piece of equipment, an extensive machine system, an area of a plant, or an entire facility. The APN-R is equally suited for large-scale plant energy management applications, as well as specific equipment monitoring tasks, such as detecting conveyor jams and overloads, or identifying dry running pumps caused from clogged intake or discharge lines, impeller cavitation or bearing wear. The APN-R is factory-configured with zero- to 500-amp or zero- to 2,000-amp range flexible coils to measure the load current. The line voltage (up to 600 VAC) connects directly to the transducer; no potential transformer is needed unless the line voltage exceeds 600 volts. The ease of installation over multiple conductors or bus assemblies speeds installation and produces an accurate set of data that will identify areas of excessive energy consumption and allow intervention to reduce demand, the company says. The APN-R measures three phases of current and voltage, and computes 14 values necessary to track the power usage. The monitor's digital format provides information on the system voltage, current and power factor in addition to wattage. www.nktechnologies.com

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