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GF312B Portable Three Phase Electric Meter Calibration equipment with Printer

electric meter calibration equipment

GF312B portable three phase energy meter calibrator with printer is used to calibrate three phase, single phase, active and reactive energy meters error. And it also can be used as voltage, current and power meter to measure AC parameters of three phase power line. It can measure wave distortion factor and 2nd to 64th harmonic wave. GF312B meter calibrator is used for grid corporation of measurement and energy test center, metrological service of power supply bureau, national energy measurement of testing authorities. It is an ideal testing tool and has been used in more than 80 countries.

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Features

  • Smart scanning head;
  • Display vector diagram;
  • 6.4 inch TFT color LCD;
  • As three phase reference meter;
  • Display waveform of U and I;
  • Store and query measured data;
  • Portable IP65 structure design;
  • Measure CT ratio and phase error;
  • Calculation of make-up electricity;
  • Operation simply, intelligent design;
  • Print the data of calibration on site;
  • Software automatic calibration technology;
  • In-built 0.01% wide-range current transformer;
  • Check the wiring error of the electricity meter;
  • Display harmonic content and harmonic bar diagram;
  • Analyze and display content of harmonic of U and I;
  • Voltage and current synchronous sampling technology;
  • Optional 5A, 20A, 100A, 500A, 1000A, 2000A , 3000A current clamp;

Functions

  • Measure frequency of power line;
  • Testing panel power meter error filed;
  • Measure phase angle between voltage and current;
  • Testing the error of metering integrated device;
  • Measure U (voltage) of three phase or single phase;
  • Measure I (current) of three phase or single phase;
  • Check the wrong wiring of three phase energy meter;
  • Measure power factor of three phase or single phase;
  • Measure active power of three phase or single phase;
  • Measure reactive power of three phase or single phase;
  • Measure apparent power of three phase or single phase;
  • Measure harmonics of voltage and current from 2 to 64th;
  • Calibrate three phase, single phase, active or reactive meter error;
  • Testing three phase active or reactive electricity energy meter error;
 

Parameters

Electrical parameters
Accuracy 0.05%, 0.1%, 0.2%
Power supply 220V ± 10% or 110V ± 10%, 50/60Hz ± 2Hz
Test Voltage
Range 0V-600V
Error ±0.05% (30V-600V) or ±0.02% (30V-600V)
±0.1% (0.1V-30V)
Harmonic 2nd-64st
Test Current
Range (direct connection) 1mA-12A
Error (direct connection) ±0.05% (10mA-12A)
±0.1% (1mA-10mA)
Range (Clamp CT) 1mA-3000A
Clamp on CTs Optional 5A, 20A, 100A, 200A, 500A, 1000A, 2000A, 3000A
Error (Clamp CT) ±0.2% (100mA-3000A)
±0.5% (10mA-100mA)
Harmonic 2nd-64st
Power measure error
Active power (direct connection) ±0.05% (0.01A-12A)
±0.1% (0.001A-0.01A)
Reactive power (direct connection) ±0.1% (0.01A-12A)
Energy measure error
Active energy (direct connection) ±0.05% (0.01A-12A)
±0.1% (0.001A-0.01A)
Reactive energy (direct connection) ±0.1% (0.01A-12A)
Phase angle
Range 0°-360°
Resolution 0.001°
Error ±0.02°
Frequency
Range 40Hz-70Hz
Resolution 0.001Hz
Accuracy 0.001Hz
Power factor
Range -1 ~ 0 ~ 1
Resolution 0.0001
Error 0. 0005
Pulse output
Energy constant 180000imp/kWh, 1800imp/kWh, 18imp/kWh
Pulse ratio 1:1
Output level 5V
Pulse input
Input channel 2
Input level 5-24V
Input frequency Max. 2MHz
Display
Resolution 6.4"TFT (640×480)
Function
Vector diagram Yes
Waveform Yes
Energy accumulation Yes
CT ratio test Yes
CT PT programmable Yes
CT PT burden test Yes
Self-calibration Yes
Recorder check Yes
Data storage Yes
Keyboard Yes, 24pcs
smart optical sampler Yes, 1pc
Energy pulse cable Yes, 1pc
Communication port RS232, USB
Communication with PC Yes
Standard
lsolation protection IEC 61010-1:2001
Energy measurement IEC/EN 60736; IR46;
Reference standard IEC 62052-11
IEC62053-21
IEC62053-22 & IEC62053-23
IEC61010-1:2001
Mechanical parameters
Dimensions (W×H×D) (mm) 390×200×160
Host Weight (kg) 3
Weight (including Accessories 3pcs 100A clamp CT) (kg) 12
Environmental conditions
Ambient temperature -10°C to 50°C
Relative humidity 15%-95%
Environmental protection level IP65

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