GF111D 500A 1000V DC power source with DC energy meter calibrator

DC reference energy meter

The model GF111D high precision DC reference energy meter are used in electric power, metrology, military industry, manufacturing and scientific research institutes and other DC measurement fields or laboratories. Characteristic features of the GF111D are its wide measuring range, high accuracy and high tolerance to unwanted external influences. Its voltage range from 0 to 1200V, current range from 0 to 600A, DC reference standard of accuracy 0.02%. The DC reference standard offers high functionality combined with an excellent menu guided operation via built-in keyboards and colored 8 inch color touch LCD-display. It can automatically test DC energy meter error, energy accumulation , error of time of day.

 

Features and Functions

  • Accuracy 0.02%
  • 0-600A/0-1200V
  • 8 inch TFT touch screen
  • Using 24bit A/D sampling technology
  • Electrical isolation between U and I channels
  • Recorder 10000 sets energy meter data
  • Testing all kinds of DC energy meter, DC power meter
  • Testing all kinds of DC ammeter, DC voltmeter
  • DC electric energy accumulation function
  • User friendly menu guided operation
  • As high precision DC reference standard
  • Easy verification and analysis of DC meter
  • Automatic operation without need of an external PC
 

Parameters

Electrical parameters 
Accuracy 0.05%, 0.02%
Power Supply One Phase AC 180-265V, frequency 50/60Hz.
DC Voltage Measurement
Range 10mV, 100mV, 1V, 10V, 30V, 100V, 300V, 1000V (max 1200V)
Accuracy ±(0.012%RD+0.008%RG)
DC Current Measurement
Range 0.7mA, 3.5mA, 14mA, 35mA, 140mA, 700mA, 1A, 2A, 5A, 10A, 20A, 50A, 100A, 500A (max 600A)
small signal 2.5mV, 20mV, 100mV, 1V, 5V
Accuracy ±(0.012%RD+0.008%RG)
DC Power Measurement
power accuracy ±0.02%
DC Power Energy Measurement Error
power energy ±0.02%
Power Pulse Output 
Power Pulse Output  20KHz 
Power Pulse Input
Energy pulse input 20KHz
Communication port USB port, RS232, 10/100M LAN
Mechanical parameters 
Dimensions (W×D×H) (mm) 400x440x290 
Weight (kg) 12
Environmental conditions 
Ambient temperature -10°C to +40°C
Relative humidity 35% to 38%
(1) RG means range, the same as below;
(2) RD means the setted harmonic content, harmonic can be a single output, also multiple output.

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