GF302D1 Three Phase Portable Energy Meter Calibration Equipment

energy meter calibration equipment

The GF302D1 three phase portable energy meter test system consists of an integrated three phase current source(up to 500V/120A or 500V/20A) and built-in three-phase electronic reference standard of accuracy class 0.05%. Characteristic features of the GF302D1 are its wide measuring range, high accuracy and high tolerance to unwanted external influences. The portable meter test system offers high functionality combined with an excellent menu guided operation via built-in keyboards and colored 7" touch LCD-display. Voltage & current harmonics output from 2 to 63 times. This model portable meter test system can be programmable by PC, automatic generation of energy meter error test report- Excel file.



  • Weight light 12.8Kg;
  • Accuracy class 0.05;
  • 7 inch TFT touch screen;
  • With smart optical sampler;
  • Test by automatic or manual;
  • Start testing and creep testing;
  • 0-120A/0-500V/40-70Hz/0-360.000;
  • Recorder 500 sets energy meter data;
  • Power factor setting from -1.00000 to 1.00000;
  • Reference standard and current source integrated;
  • Overload, short circuit, open circuit protection;


  • Testing phase angle meter;
  • Testing ammeter and voltmeter;
  • Measuring the distortion factor;
  • Calibration of power meter error;
  • User friendly menu guided operation;
  • Energy dosing with built-in current source;
  • Measuring mechanical meter and electric meter;
  • Measuring frequency, phase shift and power factor;
  • Automatic operation without need of an external PC;
  • Easy verification and analysis of meter installations;
  • Especially configured USB stick for storage of customer data;
  • Testing all kinds of energy meter in 1P2W, 1P3W, 3P3W, 3P4W;
  • Power and energy measurements for active, reactive and apparent power;
  • Harmonic spectrum analysis for voltage and current up to the 63rd order;
  • Vector diagram display and phase sequence indication on integrated colored screen;


Electrical parameters
Accuracy 0.05%, 0.1%
Power Supply One Phase AC 100-265V, frequency 50/60Hz.
AC Voltage Output
Range(U1,U2,U3) 0-500V; 0-380V; 0-300V;
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
Accuracy 0.05%RG or 0.02%RG
AC Current Output
Range(I1,I2,I3) 0-6A; 0-12A; 0-20A; 0-50A; 0-120A;
Adjustment range (0-100)%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)
Max Output load 20VA or 50VA;
Accuracy 0.05%RG
Power Measurement
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°
Power Factor
Adjustment range -1 ~ 0 ~ 1
Resolution 0.0001
Measurement accuracy 0.0005
Frequency Measurement
Range 40Hz-70Hz
Resolution 0.001Hz
Accuracy 0.002Hz
Voltage /Current/Harmonic Setting
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
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 IP42
Declaration of conformity CE & CNAS certified
Mechanical parameters
Dimensions (W×D×H) (mm) 495x390x195
Weight (kg) 12.8
Environmental conditions
Ambient temperature -10°C to +50°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
302D112001 0.10% 0-500V 0-120A 22KG
302D1120005 0.05% 0-500V 0-120A 22KG
302D15001 0.10% 0-500V 0-50A 18KG
302D150005 0.05% 0-500V 0-50A 18KG
302D12001 0.10% 0-500V 0-20A 15.8KG
302D120005 0.05% 0-500V 0-20A 15.8KG
302D11201 0.10% 0-380V 0-12A 12.8KG
302D112005 0.05% 0-380V 0-12A 12.8KG
302D1601 0.10% 0-300V 0-6A 8KG
302D16005 0.05% 0-300V 0-6A 8KG

Download Catalogue

Related Products

).load('/footer.html'); })