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GF311 Basic three phase handheld power quality analyzer

three phase power quality analyzer

GF311 PQA is low cost basic power quality analyzer, standard version 480V/10A/45-65Hz/0-359.9°, class 0.5. It is a simple electrical test tool for electric engineers, applied to electric power dispatching center, relay protection department or relay protection in power plant. Its metric division class makes it suitable for petroleum, railways and the iron and steel industries also.

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Features

  • Harmonic measurement from 2nd to 63rd;
  • Phase angle measurement range from 0°-359.9° ;
  • Display vector map for the use of user directly;
  • Voltage and current of each channel are isolated;
  • All electrical parameters are displayed on one screen.
  • Range switches automatically, software for be calibrated.
  • Small volume, light weight and the operation is simple, convenient;
  • Horizontal liquid crystal big screen TFT displays all electric parameters;
  • It can store data; data can be using computer software to upload for management;
  • The smallest current it can measure is 1 mA, 2 mA above can display vector diagram;
  • DSP digital signal processing chip, wide measuring range, high accuracy, good stability;
  • Simultaneously measuring three-phase voltages, current, power, frequency, power factor, phase, etc;

Application

  • Factory;
  • Power plant;
  • Oil, Gas company;
  • Power distribution;
  • Hydroelectric power;
  • Renewable power plants;
  • Electricity power company;
  • Photovoltaic power station;
 

Parameters

Electrical parameters　
Accuracy class  0.5%
Power supply AC 85-265V 50/60Hz or Li-battery 5000mAh
Communication Port RS232
Warming-up time < 5min
Power consumption ≤5VA
Voltage measurement　
U1, U2, U3 Range 0-480V
Resolution 0.001V
Accuracy 0.1%
Current measurement　
I1, I2, I3 Range 1mA-10A, 10mA-100A, 50mA-200A or 50mA-500A
Resolution 0.5mA
Accuracy 0.5%
Active power measurement　
Active accuracy 0.5%
Reactive power measurement　
Accuracy 1%
Phase measurement　
Range 0°-359.9°
Resolution 0.001°
Accuracy 0.1° 
Frequency measurement　
Range 45-65Hz
Resolution 0. 001Hz
Accuracy 0.01Hz
Power factor measurement　
Range -1 to 0 to +1
Resolution 0.0001
Accuracy 0.01
Harmonic measurement　
votlage and current 2nd - 63rd
Mechanical parameters　
Dimensions (W×D×H) (mm) 245×162×60
Weight (kg) 1 (mains)
6.5 (appendix and box)
Environmental conditions　
Working temperature -10°C to 55°C
Working humidity 15%-85%RHD
Storage temperature -25°C to 70°C
Storage humidity 5%-95%RHD

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