>Product>Electrical Test Equipment>Energy Meter Test Equipment>Portable Three Phase Energy Meter Calibrator with Printer
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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 64nd harmonic wave. GF312B calibrator is used for grid corporation of measurement and energy test center, metrological service of power supply bureau, national energy measurement of testing authorities.
■ Smart scanning head;
■ Display vector diagram;
■ 6.4 inch TFT color LCD;
■ Measure CT variable ratio;
■ Display waveform of U and I;
■ Store and query measured data;
■ Calculation of make-up electricity;
■ Print the data of calibration on site;
■ Software automatic calibration technology;
■ Check the wiring error of the electricity meter;
■ In-built 0.01% wide-range current transformer;
■ 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;
■ Measure frequency of power line;
■ Testing the error of metering integrated device;
■ Measure I (current) of three phase or single phase;
■ Measure phase angle between voltage and current;
■ 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 harmonics of voltage and current from 2 to 64nd;
■ Calibrate three phase, single phase, active or reactive meter error;
■ Testing three phase active or reactive electricity energy meter error;
| 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 | 45Hz-65Hz |
| Resolution | 0.001Hz |
| Accuracy | 0.002Hz |
| 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 |
| Self-calibration | Yes |
| Recorder check | Yes |
| Data storage | Yes |
| Keyboard | Yes |
| Communication port | RS232 |
| Communication with PC | Yes |
| 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 |
| Standard | |
| lsolation protection | IEC 61010-1:2001 |
| Energy measurement | IEC 60736 |
| Reference standard | IEC 62052-11 IEC62053-21 IEC62053-22 & IEC62053-23 IEC61010-1:2001 |
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