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  • NR5260三相谐波分析仪-1.jpg

NR5260 Series Three-Phase Harmonic Analyzer

The three-phase harmonic analyzer is a power measuring instrument integrating multiple functions. It can measure three-phase voltage, three-phase current, and 1 to 63rd harmonics, displaying odd or even harmonics separately in a list or spectrum graph. The three-phase harmonic analyzer uses a key-operated interface, automatically switches ranges, holds measured data, stores measurement data, achieves large-capacity storage, and can output vector diagrams. It is very suitable for electric energy metering, electricity inspection, power auditing, substation maintenance, differential protection in relay protection, and start-up test site use. It is also suitable for use in various power colleges as a wiring judgment training tool and teaching instrument. It is also suitable for use in large power-consuming enterprises such as chemical, metallurgical, mining, and railway industries.


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Product patent

Product description

Product Introduction
  The three-phase harmonic analyzer is a power measuring instrument integrating multiple functions. It can measure three-phase voltage, three-phase current, and 1 to 63rd harmonics, displaying odd or even harmonics separately in list or spectrum form. It features key operation, automatic range switching, real-time data hold, data storage, large capacity storage, and vector diagram output. It is ideal for energy metering, electricity inspection, power audit, substation maintenance, differential protection, and start-up tests. It is also suitable for use in power colleges as a wiring judgment training tool and teaching instrument, as well as in large power-consuming enterprises in the chemical, metallurgical, mining, and railway industries.
 
Main Features
  ◆ Measures 1 to 3 AC voltages and currents simultaneously;
  ◆ Measures the phase between voltages, currents, and voltages and currents;
  ◆ Measures three-phase voltage and three-phase current 1-63rd harmonics;
  ◆ Can display odd and even harmonics separately in list or spectrum form;
  ◆ Measures frequency;
  ◆ Measures power;
  ◆ Displays hexagonal vector diagram;
  ◆ Measures three-phase imbalance;
  ◆ Current amplitude and phase measurement minimum up to 1mA. Very suitable for substation main transformer load tests and current measurement in newly built stations or stations with small loads;
  ◆ Voltage and current sampling are fully isolated, with automatic range switching;
  ◆ Applications can be upgraded via SD card;
  ◆ Uses a 3.5-inch color LCD screen, built-in high-capacity lithium battery, can work continuously for 10 hours after a single charge without turning off the backlight.
 
Technical Parameters
Type
Measurement Range
Unit
Error
Resolution
Voltage
5 ~ 600V
V
0.5% x Reading + 5 digits
0.1V
Current
0.001 ~ 6A (expandable)
A
0.5% x Reading + 5 digits
0.0001A
Active Power
0.005 ~ 3600
W
0.5% x Reading (PF=1)
0.1W
Reactive Power
0.005 ~ 3600
VAR
0.5% x Reading (PF=0)
0.1Var
Frequency
45 ~ 65
Hz
0.02Hz
0.01Hz
Phase
0 ~ 360
°
+ 1°
0.1°

 

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