GF333 Multifunction AC DC digital meter calibration electrical equipment

calibration electrical equipment

GF333 can be used as a calibration device standard meter, also as a testing calibrator in measurement test center of grid corporation, power company and measurement department in power plant, national levels of measurement mechanism, quality inspection departments, research institutes, tertiary institutions, industrial and mining enterprises, electric energy meter and electrical instrument production enterprises etc.

 

Features

  • Measure the AC voltage, current, active power, reactive power, frequency, phase angle and power factor etc;
  • Measure the AC voltage, current 2~31 harmonic content and waveform distortion degree;
  • Measure active power energy error, reactive power energy error, the maximum output pulse frequency is to 2 MHZ;
  • Measure calibration device of voltage, current, power stability;
  • Measure calibration device the standard deviation of estimate;
  • Measure the voltage of the calibration device three-phase symmetric degrees, the current of three three-phase symmetric degree;
  • Measure calibration device of the magnetic induction;
  • Measure DC voltage and DC current;
  • Transducer measurement;
  • With RS232 interface, it can be controlled by PC operation;
  • Core part uses the 32 bit DSP and16 bit low power and high speed DAC consists of high accuracy AC collector.
  • Using 6.5 inch TFT color LCD screen, character display clear chart. Have the advantages of wide measuring range, high precision, stable and reliable operation, simple operation etc.
 

Parameters

Electrical parameters 
Accuracy class  0.02%, 0.05%
Power supply AC 220 V±10% or 110 V±10%, 50/60Hz
Power consumption <30VA
Warming-up time <30min
Voltage measurement 
U1, U2,U3 6.25V, 12.5V, 25V, 50V, 100V, 200V, 400V, 800V (switch automatically), max 1000V
Range (0-120%)RG
Resolution 0.01%RG
Accuracy 0.02%RD or 0.05%RD
Current measurement 
I1, I2, I3 0.25, 0.5, 1, 2.5, 5, 10, 25, 50, 100A(switch automatically)
Range (0-120%)RG
Resolution 0.01%RG
Accuracy 0.02%RD or 0.05%RD
Power measurement 
Active accuracy 0.02%RD or 0.05%RD
Reactive accuracy 0.05%RD or 0.1%RD
Apparent accuracy 0.02%RD or 0.05%RD
Energy measurement 
Active accuracy 0.02%RD or 0.05%RD
Reactive accuracy 0.05%RD or 0.1%RD
Phase measurement 
Range 0.00°-359.99°
Resolution 0.001°
Accuracy 0.02° (voltage ≥50V and current ≥250mA)
Frequency measurement 
Range 45-65Hz
Resolution 0. 001Hz
Accuracy 0.002Hz
Power Factor measurement 
Range -1.0 ~ 0 ~ +1.0
Resolution 0.0001
Accuracy 0.0005
Electric energy pulse output  
Pulse constant range 1-2880000000
Output frequency of max. pulse 600 kHz
Load capacity >2mA
Default pulse output frequency 10kHz-600kHz
Energy pulse Input 
Input range of pulse constant 600-700000
Setting range of test pulse 1-999999999
Max. pulse receiving frequency 2MHz
Pulse input level 5V
Voltage/current harmonics measurement 
Times 2-31
Error 0.05%
Distortion degree error 0.05%
Transducer measurement 
DC voltage range ±1, ±5, ±10, ±20 V
Accuracy 0.01%
DC current range ±1, ±2.5, ±5, ±10, ±20mA
Accuracy 0.01%
Ripple error 1%
DC measurements (option) 
DC voltage 50V, 100V, 200V, 400V, 800V (switch automatically), max 1000V
Range (0 -120%) RG
Resolution 0.01% RG
Accuracy 0.02% RD
DC current 0.1A, 0.3A, 1A, 3A, 10A, 30 A(switch automatically)
Range (0-120%) RG
Resolution 0.01% RG
Accuracy 0.02% RD
Mechanical parameters 
Dimensions (W×H×D) (mm) 440×360×160
Weight (kg) 10
Environmental conditions 
Operating temperature 10°C to 30°C
Relative humidity ≤85%

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