GF312B2 THREE PHASE PORTABLE STANDARD ENERGY METER TEST EQUIPMENT
GF312B2 portable three phase standard reference meter high accuracy 0.02%. It can be applied in following area:Electric power department,Measuring and quality examining department,Electrical lab
FEATURESHigh accuracy up to 0.02%metal body, strong and reliableDSP+32 bit ARM technologyMeasurement 2~51 times harmonicsWaveform display functionVector diagram functionEnergy accumulating function7 inch TFT color LCDSuit for testing in the field or in the lab
PARAMETERS
Electrical parameters | Accuracy class0.02% , 0.05%Power supply85-450V, 50/60Hz±2HzPower consumption13VACommunication portRS232, USB
Voltage measurement | Range30-560VResolution0.001VError±0.02% (30V-560V)
±0.05% (5V-30V)Harmonic2nd-51st
Current measurement | Range (direct connection)20mA-120AResolution0.1mAError (direct connection)±0.02% (100mA-120A)
±0.05% (20mA-100mA)Harmonic2nd-51stClamp on CT(option)5A,20A, 100AAccuracy0.20%
Power measure error | Active power (direct connection)±0.02% (0.1A-120A)
±0.05% (0.02A-0.1A)Reactive power (direct connection)±0.05% (0.1A-120A)
Energy measure error | Active energy (direct connection)±0.02% (0.1A-120A)
±0.05% (0.02A-0.1A)Reactive energy (direct connection)±0.05% (0.1A-120A)
Phase angle | Range0°-360°Resolution0.005°Error±0.02°
Frequency | Range45-65HzResolution0.001HzError0.002Hz
Power factor | Range-1.0 ~ 0 ~ +1.0Resolution0.0001Error0.0005
Pulse output | Energy constant1-250000Pulse ratio1:1Output level5V
Pulse input | Input channel1Input level5-24VInput frequencyMax. 2MHz
Display | Color LCD7"STN (800x480)
Mechanical parameters | Dimensions (WxHxD) (mm)365x269x151Weight (kg)4
Environmental conditions | Ambient temperature-10°C to 40°CRelative humidity30%-80%