Beijing GFUVE Instrument Transformer Manufacturer Co.,Ltd.
Beijing GFUVE Instrument Transformer Manufacturer Co.,Ltd. an exclusive current transformer, split core current transformer, current clamp & voltage transformer manufacturer.
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GF312B portable three phase Energy Meter Calibration Equipment with printer is used to calibrate three phase, single phase, active and reactive watt meters. 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 63th harmonic wave. it is high precision 0.05%, measurement current 0-24A directly, 0-120A or 0-3000A with clamp on ct. 100A clamp on ct has software compensation, the precision can reach 0.05%.
Application
The devices used to calibrate electricity meters must be routinely verified themselves. That’s the only way to protect consumers. Laborelec’s working standards are well suited to the task. We can carry out calibration on your site, minimising disruption to your calibration routine.
Laborary has a fully equipped calibration equipment with the most accurate energy standard. It can furnish an extensive accreditation portfolio that is recognised internationally.
| Electrical parameters | |
|---|---|
| Accuracy class | 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) ±0.1% (5V-30V) |
| Harmonic | 2nd-63st |
| Test Current | |
| Range (direct connection) | 20mA-20A |
| Error (direct connection) | ±0.05% (100mA-20A) ±0.1% (20mA-100mA) |
| Range (Clamp CT) | 10mA-3000A |
| Error (Clamp CT) | ±0.2% (100mA-3000A) ±0.5% (10mA-100mA) |
| Harmonic | 2nd-63st |
| Power measure error | |
| Active power (direct connection) | ±0.05% (0.1A-20A) ±0.1% (0.02A-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% (0.02A-0.1A) |
| Reactive energy (direct connection) | ±0.1% (0.1A-20A) |
| Phase angle | |
| Range | 0° ~ 360° |
| Resolution | 0.01° |
| Error | ±0.05° |
| Frequency | |
| Range | 45Hz-65Hz |
| Resolution | 0.001Hz |
| Accuracy | 0.005Hz |
| 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 | 1 |
| Input level | 5-24V |
| Input frequency | Max. 2MHz |
| Display | |
| Resolution | 6”TFT (640×480) |
| Function | |
| Vector diagram | Yes |
| Waveform | Yes |
| Energy accumulation | Yes |
| Communication port | RS232 |
| Communication with PC | Yes |
| Mechanical parameters | |
| Dimensions (W×H×D) (mm) | 390×200×160 |
| Host Weight (mm) | 3 |
| Weight (including Accessories 3pcs 100A clamp CT) (kg) | 12 |
| Environmental conditions | |
| Ambient temperature | -10°C to 40°C |
| Relative humidity | 30%-85% |
