GF312V2 Portable Three Phase Multifunction Electric Meter Calibrator

electric meter calibrator

GF312V2 portable three phase multifunction energy meter calibrator is with comfort design, small size, and light weight. It is suit for electric power departments, measuring and quality examining departments and electric lab to field use.



electric meter calibrationelectric meter calibration


  • High accuracy 0.05%
    Screen capture function
    Input two pulse signal for master and slave meter synchronously calibration
    Large size display screen, direct viewing and convenient
    Internal communication port for PC control
    Multiple power supply for different testing occasion
    Large capacity storage device for mass memory


    Electrical parameters 
    Accuracy class 0.05%, 0.1%
    Power Supply  External power, 220V/110V, 50/60Hz
    Phase voltage supply 45-450V, 50/60Hz
    Li-Battery supply
    Voltage measurement 
    Range 30-560V
    Error ±0.05%
    Harmonic 2nd-51st
    Current measurement 
    Range (direct connection) 0.01-10A
    Range (clamp CT) 5A,100A,500A,1000A,2000A (option)
    Error (direct connection) ±0.05%
    Error (clamp CT) ±0.2% (5A, 100A )
    ±0.5% (other)
    Harmonic 2nd-51st
    Power measure error 
    Active power (direct connection) ±0.05%
    Active power (clamp CT) ±0.2% (5A, 100A)
    ±0.5% (other)
    Reactive power (direct connection) ±0.1%
    Reactive power (clamp CT) ±0.2% (5A, 100A)
    ±0.5% (other)
    Energy measure error 
    Active energy (direct connection) ±0.05%
    Active energy (clamp CT) ±0.2% (5A, 100A)
    ±0.5% (other)
    Reactive energy (direct connection) ±0.1%
    Reactive energy (clamp CT) ±0.2% (5A, 100A)
    ±0.5% (other)
    Phase angle 
    Range 0°-360°
    Resolution 0.01°
    Error ±0.05°
    Range 45Hz-65Hz
    Resolution 0.001Hz
    Error 0.002Hz
    Pulse output 
    Energy constant 25000
    Pulse ratio 1:1
    Output level 5V
    Pulse input 
    Input channel 2
    Input level  5-10V
    Input frequency Max. 100Hz
    Resolution 7” TFT color  (480×234)
    Vector diagram Yes
    Waveform Yes
    Energy accumulation Yes
    CT ratio test Yes
    Local parameter input Yes
    Wiring emulation Yes
    Self-calibration Yes
    Recorder check Yes
    Data storage Yes
    Data storage qty 5000
    External extend memory Yes
    Screen printing Yes
    Communication port USB/RS232 
    Communication with PC Yes
    Upload data Yes
    External mini printer  Yes
    External keyboard Yes
    Mechanical parameters 
    Dimensions (W×H×D) (mm) 245×168×70
    Weight (kg) 1.8
    Environmental conditions 
    Ambient temperature -25°C to +45°C
    Relative humidity 30%-95%

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