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| Categories | Electrical Power Calibrator | 
|---|---|
| Brand Name: | GFUVE | 
| Model Number: | GF312B | 
| Place of Origin: | BEIJING, CHINA | 
| MOQ: | 3sets | 
| Payment Terms: | T/T, Western Union, MoneyGram | 
| Supply Ability: | 1500SETS/MONTH | 
| Delivery Time: | 1-2 weeks | 
| Packaging Details: | Carton | 
| accuracy: | 0.05%, 0.1%, 0.2% | 
| power supply: | 220V ± 10% or 110V ± 10%, 50/60Hz ± 2Hz | 
| display: | 6”TFT (640×480) | 
| frequency: | 45Hz-65Hz | 
| harmonic: | 2nd-63st | 
| dimension: | 390×200×160mm | 
| weight: | 3kg | 
| direct connection current range: | 20mA-20A | 
| voltage range: | 0V-600V | 
INTRODUCTION
GF312B portable three phase watt meter calibrator 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.
FEATURES
TECHNICAL PARAMENTS
| 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) ±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% | 
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