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GF313 Economical Handheld Three Phase Electricity Meter Field Tester

electricity meter tester

The model GF313 handheld three phase electricity meter field tester is a economical 0.2% AC energy meter accuracy testing device, mainly used to test three phase and single phase electricity energy meter error on site or integrated metering device error(CT+energy meter), measure all various of AC electrical parameters - U, I, P, Q, S, PF, F and CT ratio & phase error etc. And then it can check whether the wiring of the electricity meter is correct. GF313 electronic meter tester is an ideal electrical test tool for the metrological service of electricity power utilities. It has been widely used in more than 80 countries around the world.

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Functions

  • Measure frequency of power line;
  • Testing power meter error in field;
  • Measure harmonics and harmonics contents;
  • Testing comprehensive measuring device error;
  • Measure U(voltage) of three phase or single phase;
  • Measure I(current) of three phase or single phase;
  • Measure active power of three phase or single phase;
  • Measure power factor of three phase or single phase;
  • Measure reactive power of three phase or single phase;
  • Measure apparent power of three phase or single phase;
  • Testing current transformer ratio and phase error on site;
  • Measure phase angle between U & I, U1 & U2 & U3, I1 & I2 & I3;
  • Testing all kinds of mechanical and electronic energy meter error;
  • Testing three phase, single phase, and active or reactive meter error;

Features

  • Handheld design;
  • Display vector diagram;
  • Measure CT variable ratio;
  • Display waveform of U and I;
  • Industrial handheld designed;
  • Measure 2-64th harmonic of U, I;
  • Store and display measured data;
  • High resolution 6 inch TFT color LCD;
  • High precision measurement, min current 1mA;
  • Analyze and display content of harmonic of U and I;
  • Voltage and current synchronous sampling technology;
  • Measure the ratio or lag-angle of low-voltage transformer;
  • With PC management software, download excel test report file;
  • Optional 5A, 20A, 100A,200A, 500A, 1000A, 2000A, 3000A clamp on cts;
  • Adopt 32 bit ARM processor, multi-channel 24 bit precision A/D convertor;
  • With various type current clamps, wide range of measurement and high precision;
  • Low consumption circuit design, high energy Li batter supply, intellectual power management software, which make the instrument can continuously work up to 10 hours.
 

Parameters

Electrical parameters　
Accuracy class 0.2%, 0.5%
Display 6"TFT (640×480)
Power supply 220V±10%, 50/60Hz
Li-polymer battery (size (mm): 110x51x16, nominal output voltage: 7.2V, capacity: 5000mAh)
Power line supply (U1, UN), 85V-265V 50/60Hz
Communication port RS232/USB port
Test voltage(U1, U2, U3, UN)
Range Phase to Netural 0-600V (Phase to Phase 0-830V)
Error ±0.05% (30V-600V)
±0.1% (0.01V-30V)
Voltage measurement temperature drift < 8 x 10 E-6/K
Voltage measurement relative humidity drift < 8 x 10 E-6/RH
Voltage measurement stability < 50 x10 E-6
Voltage measurement long term stability < 80 x 10 E-6/Year
Harmonic 2nd-64st
Test current(Clamp on CT - I1, I2, I3)
Range 1mA-120A; 0-200A; 0-500A; 0-1000A; 0-2000A; 0-3000A
Standard Clamp CT Model: P18
Test range:1mA-120A or 10mA-200A
Accuracy:0.1%
Ratio:1000:1
Internal diameter:18mm
External diameter:38mm
Lead cable:2.5m
Clamp on CT Optional 100A, 200A, 500A, 1000A, 2000A, 3000A
Three phase color label L1=Red,L2=Yellow,L3=Blue
Error ±0.2% (10mA-120A)
Current measurement temperature drift < 8 x 10 E-6/K @ 10mA-120A
Current measurement relative humidity drift < 8 x 10 E-6/RH@ 10mA-120A
Current measurement stability < 50 x10 E-6
Current measurement long term stability < 80 x 10 E-6/Year
Harmonic 2nd-64st
Power & Energy measure error
Active power ±0.2% (0.01A-120A)
Reactive power ±0.5% (0.01A-120A)
Energy measure error
Active energy ±0.2% (0.01A-120A)
Reactive energy ±0.5% (0.01A-120A)
Power/energy measurement temperature drift < 15 x 10 E-6/K
Power/energy measurement relative humidity drift < 12 x 10 E-6/RH@ 10mA-120A
Power/energy measurement stability < 100 x10 E-6
Power/energy measurement long term stability < 160 x 10 E-6/Year
Error display 5 digits with minimum three decimal places XX.XXX%
Phase angle
Range 0°-360°
Resolution 0.01°
Error ±0.1°
Frequency
Range 40-70Hz
Resolution 0.001Hz
Error 0.002Hz
Pulse input
Input channel 2
Input level 5-24V
Input frequency Max. 2MHz
Pulse output
Energy constant 180000imp/kWh, 1800imp/kWh, 180imp/kWh
Pulse ratio 1:1
Output level 5V
Pulse frequency Standard 400Hz-2.5KHz, customized max 10KHz
Scanning head
Scanning head The sampler is equipped with a bracket which can clip/install on the tested electronic and electromechanical meters, and the sampler can insert to the 'orifice/slot' in the center of the bracket.
There are 3 status LED indicator:
[AUTO] – scan the turn-plate of the energy meter
[MANU] –Manual input pulse
[LED] – Receive the LED energy pulse
Function Sensitivity can be intelligently adjusted according to ambient light intensity to ensure accuracy measurement.
Function
Vector diagram Yes
Waveform Yes
Energy accumulation Yes
CT ratio test Yes
CT PT programmable Yes
Communication with PC Yes
Overload protection Yes
Cable and Accessories
Test Cable Voltage test cable 1SET Cable Length:2m (R,Y,B,Black)
Current test calbe 1SET Cable Length:2m (R,Y,B,Black)
Plug Pin type1SET (4black,2Red,2Yellow,2Green)
'U' type1SET (4black,2Red,2Yellow,2Green)
'Ω' type1SET (4black,2Red,2Yellow,2Green)
Crocodile type1SET (1Black,1Red,1Yellow,1Green)"
Accessories Bag Yes
Mechanical parameters
Instrument dimensions (W×H×D) (mm) 245×162×60
Instrument Weight (kg) 1.6
Carry case dimensions (W×H×D) (mm) 450×320×185
Carry case (kg) 8.5
Environmental conditions
Ambient temperature -10°C to 55°C
Relative humidity 15%-95%
Environmental protection level IP54
Standard
lsolation protection IEC 61010-1:2001
Energy measurement IEC/EN 60736
Reference standard IEC 62052-11
IEC62053-21
IEC62053-22 & IEC62053-23
IEC61010-1:2001
Calibration and maintenance
Warranty 2 years
Calibration Lifelong free calibration service
Recommended calibration interval Every two years

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