GF1021 Single Phase Portable Electric Meter Test Equipment

electric meter test equipment

GF1021 portable single phase energy meter test system used to test single phase energy meter error. Adopt mature signal synthetic and power amplifier technology, high precision voltage source and current source output. Widely used in the laboratory and field, and then as single phase standard source. The portable meter test equipment offers high functionality combined with an excellent menu guided operation via coloured 7' touch screen or externally via interface. It can be programmable via RS232 port by PC management software.



  • Vector display;
  • Portable design;
  • Weight light 8Kg;
  • Accuracy class 0.05;
  • 7 inch TFT touch screen;
  • 0-120A, 0-500V, 40-70Hz;
  • Test by automatic or manual;
  • Test 2pcs meter synchronously;
  • Start testing and creep testing;
  • Recorder 1000 sets energy meter data;
  • Programmable several testing scheme;
  • Reference standard and power source integrated;
  • Overload, short circuit, open circuit protection;
  • Automatic operation using predefined load points;


  • Testing AC voltmeter & Ammeter;
  • Measuring the distortion factor;
  • Testing single phase power meter error;
  • Vector representation of the measuring values;
  • Measuring mechanical meter and electric meter;
  • Testing power factor meter and frequency meter;
  • Measuring frequency, phase shift and power factor;
  • Testing energy meter error installations in 1P2W;
  • As high precision AC voltage source and current source;
  • Energy dosing with built-in current source and voltage source;
  • Power and energy measurements for active, reactive and apparent power;
  • Harmonic spectrum analysis for voltage and current up to the 51th order;


Electrical parameters
Accuracy class 0.05%, 0.1%
Power Supply One Phase AC 85-265V, frequency 50/60Hz.
AC Voltage Output
Range 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 0.1% (Non-capacitive load)
Output load max 30VA
Measuring accuracy 0.05%RG
AC Current Output
Range 0-6A; 0-12A; 0-20A; 0-60A; 0-120A;
Adjustment range (0-120)%RG
Adjustment fineness 0.01%RG, 0.1%RG, 1%RG, 10%RG as optional.
Stability <0.01%/120s
Distortion ≤0.1% (Non-capacitive load)
Output load max 50VA or 100VA
Accuracy 0.05%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°
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
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 IP65
Declaration of conformity CE & CNAS certified
Mechanical parameters
Dimensions (W×D×H) (mm) 325×275×135
Weight (kg) 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
102112001 0.10% 0-500V 0-120A 12KG
1021120005 0.05% 0-500V 0-120A 12KG
10216001 0.10% 0-380V 0-60A 10KG
102160005 0.05% 0-380V 0-60A 10KG
10212001 0.10% 0-300V 0-20A 8KG
102120005 0.05% 0-300V 0-20A 8KG
10211201 0.10% 0-300V 0-12A 6.5KG
102112005 0.05% 0-300V 0-12A 6.5KG
1021601 0.1% 0-300V 0-6A 5KG
10216005 0.05% 0-300V 0-6A 5KG

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