>Product>Electrical Test Equipment>Energy Meter Test Equipment>Economical 0.2% Handheld Three Phase Electricity Meter Field Tester
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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, 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.
■ 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 current clamp;
■ 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.
■ Measure frequency of power line;
■ Measure harmonics and harmonics contents.
■ Testing comprehensive error of measuring device;
■ Measure I (current) of three phase or single phase;
■ Measure U (voltage) of three phase or single phase;
■ 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 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;
| 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 x 10 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 | |
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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 | IEC61010-1:2001 |
| Energy measurement | IEC/EN 60736 |
| Reference standard | IEC62052-11 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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