INTRODUCTION

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.

FEATURES

• 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
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• TECHNICAL PARAMETERES

• 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°
  Frequency
  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
  Display
  Resolution	7” TFT color  (480×234)
  Function
  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%