| Model Number: | GF312D |
|---|---|
| Brand Name: | GFUVE |
| Place of Origin: | China (Mainland) |
Quick Details
Specifications
INTRODUCTION:
The instrument is a precision AC energy meter testing instrument, mainly used to test three phase energy meter
error on site and measure various of AC parameters.
- Three phase active or reactive electricity energy meter;
- Calibrate three phase, single phase, active or reactive meter 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 reactive power of three phase or single phase;
- Measure apparent power of three phase or single phase;
- Measure power factor of three phase or single phase;
- Measure phase angle between voltage and current;
- Measure frequency of power line;
- Display vector diagram;
- Display waveform of U and I;
- Analyze and display content of harmonic of U and I;
- Store and display measured data;
- Optional 5A, 20A, 100A, 500A, 1000A, 2000A, 3000A current clamp;
- Measure CT variable ratio;
- Measure the ratio or lag-angle of low-voltage transformer.
- Adopt 32 bit ARM processor, multi-channel 16 bit precision A/D convertor, high resolution TFT color LCD;
- Inner equipped with 0.01% wide-range current transformer and can be equipped with various type current clamps, wide range of measurement and high veracity.
- 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 | 0.05%, 0.1% |
| Resolution | 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 |
| Test voltage | |
| Range | 5-480V |
| Error |
±0.05% (30V-480V) ±0.1% (5V-30V) |
| Harmonic | 2nd-63st |
| Test current | |
| Range (direct connection) | 5mA-20A |
| Error (direct connection) |
±0.05% (100mA-20A) ±0.1% (10mA-100mA) |
| Range (clamp CT) | 10mA-3000A |
| Error (camp CT) |
±0.2% (100mA-100A) ±0.5% (100A-3000A) |
| Harmonic | 2nd-63st |
| Power measure error | |
| Active power (direct connection) |
±0.05% (0.1A-20A) ±0.1% (0.01A-0.1A) |
| Reactive power (direct connection) | ±0.1% (0.1A-20A) |
| Energy measure error | |
| Active energy (direct connection) |
±0.05% (0.1A-20A) ±0.1% (0.01A-0.1A) |
| Reactive energy (direct connection) | ±0.1% (0.1A-20A) |
| Phase angle | |
| Range | 0°-360° |
| Resolution | 0.01° |
| Error | ±0.05° |
| Frequency | |
| Range | 45-65Hz |
| 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 |
| Function | |
| Vector diagram | Yes |
| Waveform | Yes |
| Energy accumulation | Yes |
| Communication with PC | Yes |
| Mechanical parameters | |
| Instrument dimensions (W×H×D) (mm) | 220×138×61 |
| Instrument Weight (kg) | 1.7 |
| 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%-85% |