GF302D Portable three phase kwh meter test equipment

Meter test equipment

The GF302D portable meter test equipment is used for grid corporation of metrology and energy test center, management department of power supply bureau, national energy metrology of testing authorities, and also used to test all kinds of single/three phase kWh meter of industries and mining enterprises as well as electricity meter manufacturers. Meanwhile, the portable meter test equipment also can be used as one high precision standard power source, voltage source and current source, harmonic source. Portable design, used in the laboratory or on site to auto check energy meter error. It can output from 0 to 600V and 1mA to 120A, frequency from 40Hz to 70Hz, Phase shift from 0 to 360.00 degree, power factor from -1.00000 to 1.00000. Energy pulse constant imp/kWh/kVAh/kvarh or kW/kVA/kvar/imp etc.



  • Dial test (Register test)
  • The best stability 0.01%/2min.
  • With RS232 port, it can be programmable.
  • Creep test (No-load test) and Starting current test
  • Frequency of each impulse input port can reach 200KHz.
  • Able to do multi-function test such as communication test.
  • With PC control software, it can be automatic test and generate test report.
  • Accuracy test in all four quadrants (active, reactive and apparent energy)
  • Able to do change test caused by voltage influence, frequency influence and harmonic influence.
  • Output of power source is speedy and stable, AC maximum output of each phase can reach 120A in maximum.
  • Current output from 1mA to 120A, Voltage output from 0.01V to 600V, Phase angle adjust from 0°to 359.999°.
  • Voltage, current and phase position of each phase can be adjusted in split-phase, improving the flexibility of power source.
  • 7-inch TFT color display touch screen, English menu, simple and convenient operation, commonly used functions and current basic load point can be controlled in one button.
  • Able to test basic error, shunt running, start, standard error automatically and manually in single-step of single/three phase, according to relative regulation of kWh meter.


  • Testing kWh meter error;
  • Testing watt-hour meter error;
  • Testing reactive energy meter error;
  • Testing single/three phase ammeter error;
  • Testing single/three phase voltmeter error;
  • Testing single/three phase power meter error;
  • Testing three phase electronic meter error;
  • Testing single phase electronic meter error;
  • Testing single/three phase power factor error;
  • Testing single/three phase frequency meter error;
  • Testing three phase mechanical energy meter error;
  • Testing three phase mechanical energy meter error;
  • Testing single/three phase phase angle meter error;
  • Testing single phase mechanical energy meter error;


Electrical parameters 
Accuracy 0.05%, 0.1%
Power Supply One Phase AC 180-265V, 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 0.3% (Non-capacitive load)
Output load each phase 25VA, 50VA, 100VA
Measuring 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 ≤0.3% (Non-capacitive load)
Output load 50VA or 100VA
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
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° or 0.05°
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
Harmonic number 2-51times or 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
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
PC control software YES, Optional
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 certified
Mechanical parameters
Dimensions (W×D×H) (mm) 500x600x175
Weight (kg) 22
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
302D12001 0.1% 0-600V 0-120A 22KG
302D12005 0.05% 0-600V 0-120A 22KG
302D2401 0.1% 0-600V 0-24A 16KG
302D2405 0.05% 0-600V 0-24A 16KG
302D1201 0.1% 0-500V 0-12A 15KG
302D1205 0.05% 0-500V 0-12A 15KG
302D601 0.1% 0-380V 0-6A 12KG
302D605 0.05% 0-380V 0-6A 12KG

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