GF333V2 Three phase power and energy reference standard

power and energy reference standard

GF333V2 meter is a reference standard with the characteristics of wide-range, multifunction and high-precision. It has accuracy class of 0.02. By adopting techniques of DSP, embedded system and automatic temperature balancing and other compensation, it has not only advantages of light weight, small size, high precision, high performance, powerful function, original interface, ease-to-use, but also work stability.The product can be widely used in fields of electric energy measuring, electric energy laboratories and other relevant industry, not only in laboratories but also at the industrial field.



  • High accuracy class up to 0.02%
  • High stability, high reliability
  • Measuring 2nd~51st harmonics
  • Metal structure, strong and reliable
  • Waveform display function
  • Vector diagram function
  • Energy accumulating function
  • Suit for testing in the lab
  • As a three phase reference standard


Electrical parameters 
Accuracy class  0.02%, 0.05%
Power supply 220V±10% or 110V±10%, 50/60Hz
Power consumption 30VA
Voltage measurement 
Range 40-560V
Error ±0.02% (40V-560V)
±0.05% (5V-40V)
Harmonic 2nd-51st
Current measurement 
Range (direct connection) 10mA-120A
Error (direct connection) ±0.02% (100mA-120A)
±0.05% (10mA-100mA)
Harmonic 2nd-51st
Power measurement error 
Active power ±0.02% (0.1A-120A)
±0.05% (0.02A-0.1A)
Reactive power ±0.05% (0.1A-120A)
Energy measurement error 
Active energy ±0.02% (0.1A-120A)
±0.05% (0.02A-0.1A)
Reactive energy ±0.05% (0.1A-120A)
Phase angle 
Range 0°-360°
Resolution 0.005°
Error ±0.02°
Range 40-70Hz
Resolution 0.001
Error ±0.002
Pulse output 
Energy constant 1-9999999
Pulse ratio 1:1
Output level 5V
Pulse input 
Input channel 1
Input level 5-24V
Input frequency Max. 2MHz
Resolution 6.4” inch 640x480 pixel TFT
Communication port RS232, USB
Mechanical parameters 
Dimensions (W×H×D) (mm) 355×185×145
Weight (kg) 7.5
Environmental conditions 
Ambient temperature 10°C to 40°C
Relative humidity 20%-85%

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