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Quick Details

  • Place of Origin: Beijing, China (Mainland)
  • Brand Name: GFUVE
  • Model Number: GF312D1
  • Power: Electronic
  • Usage: Auto Testing Machine
  • GF312D1: Three phase Power Meter calibrator
  • Accuracy class: 0.05%/0.1%/0.2%
  • Range: 5V ~ 480V
  • Error: ±0.05% (30V~ 480V)
  • Harmonic: 2nd -- 63st
  • Range (direct connection): 5mA~20A
  • Error (direct connection): ±0.05% (100mA ~20A)
  • harmonic: 2nd -- 63st
  • Active power (direct connection): ±0.1% (0.01A~ 0.1A)
  • Active energy (direct connection): ±0.05% (0.1A~ 20A)

Packaging & Delivery

Packaging Details Inside a layer of aluminum alloy box, outside is packed in wooden cases
Delivery Time 12days upon receipt of order

Product Description of  Three-phase Electric Power/energy Calibrator GFUVE three phase energy meter calibration equipment GF312D1 3 phase Power Meter calibrator,CE,ISO9001:2008,IEC approved,english version display,two years quality warranty.


The instrument is a precision AC energy meter testing instrument, mainly used to test three phase energy meter error on site and measure various of AC parameters.


Features and Functions


w          Three phase active or reactive electricity energy meter;

w          Calibrate three phase, single phase, active or reactive meter error;

w          Measure U(voltage) of three phase or single phase;

w          Measure I(current) of three phase or single phase;

w          Measure active power of three phase or single phase;

w          Measure reactive power of three phase or single phase;

w          Measure apparent power of three phase or single phase;

w          Measure power factor of three phase or single phase;

w          Measure phase angle between voltage and current;

w          Measure frequency of power line;

w          Display vector diagram;

w          Display waveform of U and I;

w          Analyze and display content of harmonic of U and I;

w          Store and look measured data;

w          Optional 5 A, 20 A, 100 A, 500 A, 1000 A, 2000 A current clamp;

w          Measure CT variable ratio;

w          Measure the ratio or lag-angle of low-voltage transformer.

w          Print the data of measurement on site;

w          Adopt 32 bit ARM processor, multi-channel 16 bit precision A/D convertor, high resolution TFT LCD;

w          Inner equipped with 0.01% wide-range current transformer and can be equipped with various type current clamps, wide range of measurement and high veracity.

w          Low consumption circuit design, high energy Li batter supply, intellectual power management software, which make the instrument can continuously work up to 10 hours.





Test Voltage


5V – 480V


±0.05% (30V – 480V)

±0.1% (5V – 30V)


2nd -- 63st

Test Current

Range (direct connection)

5mA – 20A

Error (direct connection)

±0.05% (100mA – 20A)

±0.1% (10mA – 100mA)


2nd -- 63st

Power measure error

Active power (direct connection)

±0.05% (0.1A – 20A)

±0.1% (0.01A – 0.1A)

Reactive power (direct connection)

±0.1% (0.1A – 20A)

Energy measure error

Active energy (direct connection)

±0.05% (0.1A – 20A)

±0.1% (0.01A – 0.1A)

Reactive energy (direct connection)

±0.1% (0.1A – 20A)

Phase angle


0º – 360º





45Hz – 65Hz

Pulse output

High frequency output(CH)

1×1011 (1mA – 10mA)

1×1010 (10mA – 0.1A)

1×109 (0.1A – 1.0A)

1×108 (1.0A – 10A)

1×107 (10A – 120A)

Low frequency output(CL)


Pulse ratio


Output level


Pulse input

Input channel


Input level

5 – 24V

Input frequency

Max. 2MHz



6”TFT (640×480)


Vector diagram




Energy accumulation


Communication port


Communication with PC



Voltage Supply way

External power

Voltage Supply 1

220V ± 10%, 50/60Hz ± 2Hz

Voltage Supply 2

Li-polymer battery, size: 110X51X16mm

Nominal output voltage: 7.2V,Capacity: 5000mAh.

Ambient temperature

-10°C -- 55°C

Relative humidity

15% -- 85%

Instrument Dimensions (W×H×D) (mm)


Carry Case Dimensions (W×H×D) (mm)


Weight (kg)










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