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Arbiter Systems 931A
Power System Analyser


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ARB-931A 
Catalog Description

Arbiter Systems 931A

ARB-931A Power System Analyser

Model 931A, with state-of-the-art PowerDSA Digital Signal Analysis, make more
measurements, more accurately, and at a lower price than ever before. Basic
accuracy of 0.05 % of reading and 0.05 phase, harmonic analysis, and full
three-phase capability are standard. Model 931A also incorporate full two way
serial communication for use in power quality trend monitoring. The model
expands usability by including transducer calibration and timer features.

Model 931A, featuring PowerDSA Digital Signal Analysis, measures all of the
basic quantities: true-rms voltage and current, frequency and phase angle, as
well as power quantities such as watts (W), watthours (Wh), volt-amperes (VA),
volt-ampere hours (VAh), volt-amperes reactive (VAR), volt-amperes reactive
hours (VARh), and power factor (PF), all with 0.11 % basic accuracy.

Measure harmonics and view the results graphically on the high contrast 240x64
graphic display. The two channels are normalized to Channel 1 fundamental
phase, so you can see, for example, the relationship between current waveform
distortions and voltage phase.

Other key functions include a timer/counter for measuring relay operating
times, elapsed test times, or for counting input rates and events. The 931A
include a full three-phase input section, for automated three-phase
measurement sequences, complete with multiple display modes

Voltage input: 750V max
Current input: 20A max
Frequency range: 20Hz to 500Hz
Harmonics: 2nd to the 50th
LengthWidthHeightShip Wt
22.23 cm 30.48 cm 20.32 cm 9.09 kg
    
N/A Currently not available for sale

 

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