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 120A current source and 600V voltage source and a class 0.02 three phase electronic reference standard meter.
The portable 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. It can auto & manual test all kinds of energy meter error. Using on site or in the laboratory. It can preset a variety of test schemes for testing energy meter and Watt-hour meter.



  • 4 quadrant measurement;
  • Min current output 1mA;
  • Dial test (Register test);
  • 0.001Hz accuracy adjustment;
  • Predefined multiple load points;
  • 1P2W, 1P3W, 3P3W, 3P4W can be set;
  • User friendly menu guided operation;
  • Verification of the energy meter register;
  • Meet standard ISO17025 and IEC60736 & IR46;
  • Reference meter and power source integration;
  • Automatic operation without need of an external PC;
  • Creep test (No-load test) and Starting current test;
  • Easy verification and analysis of meter installations;
  • Programmable many kinds of testing energy meter schemes;
  • Verification of the load conditions on metering installation;
  • Automatic testing mechanical meter and electronic meter error;
  • Generation of harmonics in current and voltage up to the 63nd;
  • Accuracy test in all four quadrants (active, reactive and apparent energy);
  • Vector diagram display and phase sequence indication on integrated colored screen;
  • Voltage, current, frequency, phase angle, power factor, harmonics can be regulated;
  • Especially configured USB stick for storage of customer data and measurement results;


  • Power plant;
  • Energy meter R & D;
  • Electrical laboratory;
  • Watt-hour meter factory;
  • Power meter manufacturer;
  • Metrological service center;
  • Electricity power utilities;
  • Electricity power bureau & power company;
  • National Metrology and testing department;
  • Electrical Department of industrial and mining enterprises;


Electrical parameters 
Accuracy 0.02%, 0.05%
Power Supply Single phase AC 85-265V, frequency 50/60Hz.
AC Voltage Output
Range(U1,U2,U3) 57.7V, 100V, 220V, 380V; max 500V
or 69.3V, 120V, 240V, 480V( optional); max 600V
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 or 50VA
Accuracy 0.05%RG or 0.02%RG
AC Current Output
Range(I1,I2,I3) 200mA, 1A, 5A, 20A, 100A; max 120A
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 50VA or 100VA or 200VA
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
Apparent power measuring accuracy 0.05%RG or 0.02%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 2-63times
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 200K.
Communication Port
Communication Port RS232, USB2.0
Standard IEC 62053-21,22, 23; IEC 60736; ANSI C12.20-2002;
JJG 597-2005; JJG596-2012; JJG 1085-2013; JJF 68-2019;
DL/T 826-2002; DL/T 1478-2015; DL/T 448-2016
Isolation protection IEC 61010-1:2001
Measurement Category 300 V CAT III, 600 V CAT II
Degree of protection IP20
Declaration of conformity CE & CNAS certified
Mechanical parameters
Dimensions (W×D×H) (mm) 445x460x158
Weight (kg) 18
Environmental conditions
Ambient temperature -10°C to +40°C
Relative humidity 35%-85%
(1) RG means range, the same as below;
(2) RD means the setted harmonic content, harmonic can be a single output, also multiple output.

Selection Guide

NO. Accuracy Voltage range Current Range Weight
302D312002 0.02% 0-600V 0-120A 23KG
302D312005 0.05% 0-600V 0-120A 23KG
302D32402 0.02% 0-600V 0-24A 18KG
302D32405 0.05% 0-600V 0-24A 18KG
302D31202 0.02% 0-500V 0-12A 16KG
302D31205 0.05% 0-500V 0-12A 16KG
302D3602 0.02% 0-380V 0-6A 12KG
302D3605 0.05% 0-380V 0-6A 12KG

Download Catalogue

Related Products