GF302D3 Portable three phase electric meter test bench

electric meter test bench

The GF302D3 portable three phase electric meter test bench consists of an integrated three phase 20A current source and 500V voltage source and a class 0.05 three phase electronic reference standard meter.
The electric meter test bench is particularly designed for analysis of complete metering installations and local mains conditions. The meter test bench offers high functionality combined with an excellent menu guided operation via built-in thirty keys and colored 7” touch LCD-display.



  • Min current output 1mA
  • Predefined multiple load points
  • Reference meter and power source integration
  • User friendly menu guided operation
  • Easy verification and analysis of meter installations
  • Automatic operation without need of an external PC
  • Generation of harmonics in current and voltage up to the 51th
  • Verification of the load conditions on metering installation
  • Verification of the energy registration
  • Automatic testing mechanical meter and electronic meter error
  • Voltage, current, frequency, phase angle, power factor, harmonics can be regulated
  • 1P2W, 1P3W, 3P3W, 3P4W can be set
  • 4 quadrant measurement
  • Vector diagram display and phase sequence indication on integrated colored screen
  • Especially configured USB stick for storage of customer data and measurement results


Electrical parameters 
Accuracy 0.02%, 0.05%, 0.1%
Power Supply Single phase AC 85-265V, frequency 50/60Hz.
AC Voltage Output 
Range(U1,U2,U3) 57.7V, 100V, 220V, 380V
or 69.3V, 120V, 240V, 480V( optional); max 500V
Adjustment range (0-120)%RG(1)
Adjustment fineness 0.01%RG, 0.1%RG, 1%RG, 10%RG as optional.
Stability 0.01%/120s
Distortion 0.2% (Non-capacitive load)
Output load each phase 25VA
Accuracy 0.05%RG or 0.02%RG
AC Current Output 
Range(I1,I2,I3) 200mA, 1A, 5A, 20A; max 25A
Adjustment range (0-120)%RG
Adjustment fineness 0.01%RG, 0.1%RG, 1%RG, 10%RG as optional.
Stability <0.01%/120s
Distortion ≤0.2% (Non-capacitive load)
Output load 25VA
Accuracy 0.05%RG or 0.02%RG
Power Output  
Active power output stability <0.01%RG/120s
Reactive power output stability <0.02%RG/120s
Active power measuring accuracy 0.05%RG or 0.02%RG
Reactive power measuring accuracy 0.1%RG
Phase Output  
Output adjustment range 0°-359.999°
Output adjustment fineness 10, 1, 0.1, 0.01 as optional.
Resolution 0.01°
Accuracy 0.02°
Power Factor 
Adjustment range -1 ~ 0 ~ 1
Resolution 0.0001
Measurement accuracy 0. 0005
Frequency Output  
Adjustment range 40Hz-70Hz
Output adjustment fineness 5Hz, 1Hz, 0.1Hz, 0.01Hz as optional.
Resolution 0.001Hz
Accuracy 0.002Hz
Voltage /Current/Harmonic Setting Output
Harmonic number 2-51times
Harmonic content 0-40%
Harmonic phase 0-359.99
Harmonic setting accuracy (10%±0.1%)RD(2)
Power Energy Measurement Error 
Active power energy 0.05%RG or 0.02%RG
Reactive power energy 0.1%RG
Power Pulse Output  
Power pulse type active pulse, reactive pulse
Active power pulse output  5V,  10mA
Power Pulse Input 
Energy pulse type support active and reactive pulse, the highest frequency power pulse input is 180K.
Communication Port
Communication Port RS232, USB2.0
Isolation protection IEC 61010-1:2001
Measurement Category 300 V CAT III, 600 V CAT II
Degree of protection IP20
Declaration of conformity CE certified
Mechanical parameters 
Dimensions (W×D×H) (mm) 445x460x158
Weight (kg) 18
(1) RG means range, the same as below;
(2) RD means the setted harmonic content, harmonic can be a single output, also multiple output.

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