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                                                                                    | Arbiter Systems | Power Measurement and Calibration | 929A

 

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  Model 929A Three Phase Power Meter
 

Overview
The Arbiter Systems® Inc. Model 929A Three phase Power Meter is an economical alternative to both the Model 931A Power System Analyzer and the Model 930A Three Phase Power Analyzer when serial communication, DC voltage measurement transducer calibration and timer features are not required. The Model 929A has the same AC accuracy as the Model 931A with PowerDSA™ Digital Signal Analysis, and is a complete diagnostic tool for use in the substation and industrial power environment.

Model 929A measures all of the basic quantities: true-rms voltage and current, frequency and phase angle, as well as power quantities such as watts, watt-hours, volt-amperes, volt-ampere hours, volt-amperes reactive, volt-amperes reactive hours and power factor, all with 0.11% basic accuracy.

 


 

Features
  • High accuracy measurements.
  • PowerDSA Digital Signal Analysis.
  • Complete diagnostic functions for use in substation and industrial environments.
  • Field ready.
  • Multiple display options including three-phase displays.
  • Basic three-phase display - voltage, current, phase, frequency and power quantities on one convenient display.: Vector, voltage/current sequence and energy displays.
 

The 929A includes a full three-phase input section, for automated three-phase measurement sequences, complete with multiple display modes - Basic three-phase display - voltage, current, phase, frequency and power quantities on one convenient display.: Vector, voltage/current sequence and energy displays.

Vector Display View voltages, currents and phase angles with their vector representation.
Voltage /Current Sequence Display ― view voltage, current and phase along with positive, negative and zero sequence values.
Energy Display ― view voltage, current, phase, frequency and energy quantities on one convenient display.

Configuration Note
Supports two main measurement channels. Channel 1 and channel 2. Any voltage or current input signal may be selected for either channel. For basic measurements (voltage, current, frequency, phase angle) any combinations of inputs may be used. For power and energy measurements (active power, apparent power, reactive power and power factor), one voltage and one current must be selected. For three-phase measurements, the input configuration is selected automatically, based on the measurement type (foe example, 3-phase 4-wire 3-element).

 

 
 

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