T&D World Magazine

Three-Phase Power Monitoring Instrument Comes Equipped with Eight Channels

The PowerGuide 4400 from Dranetz-BMI is a monitoring instrument that incorporates a color touch screen into its lightweight design.

Users can select the length and mode of data collection, including troubleshooting, data logging, fault recording, inrush, power-quality surveys, equipment performance testing, energy studies and loading balance. Automated setups provide instant detection of circuit types and configurations, ensuring that the instrument is ready to successfully collect data. The PowerGuide collects data at 256 samples/cycle/channel for both voltage and current, and offers remote communications using the RS-232, Ethernet or USB options.

Standard features of the PowerGuide 4400 include the annunciator “report card,” which provides instant power-quality answers in the field by collecting and color-coding categories to quickly identify areas of concern.

Data can be viewed in real time using scope mode, meter mode, event mode, harmonics spectrum or phasor diagrams. Data are captured on a memory card for analysis, trending, visualization and reporting using industry-leading DRAN-VIEW software. The instrument includes AnswerModules, proprietary algorithms that convert raw power-quality event data into precise answers to determine the source and cause of the disturbance.

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