GF312D1 HANDHELD THREE PHASE ENERGY METER CALIBRATOR

The instrument GF312D1 is a precision 0.05% AC energy meter testing instrument, mainly used to test three phase energy meter error on site, measure all various of AC parameters and CT ratio & phase error, it is also as three phase reference energy meter in the laboratory. Mainly using test single phase or three phase meter error on site. GF312D1 energy meter calibrator is an ideal test tool for the metrological service of electricity power company. FEATURES 1. Handheld designed; 2. Display vector diagram; 3. Measure CT variable ratio; 4. Display waveform of U and I; 5. Measure 2-64 harmonic of U, I; 6. Store and display measured data; 7. High precision measurement, min current 1mA; 8. Analyze and display content of harmonic of U and I; 9. Voltage and current synchronous sampling technology; 10. Measure the ratio or lag-angle of low-voltage transformer; 11. Optional 5A, 20A, 100A,200A, 500A, 1000A, 2000A, 3000A current clamp; 12. Adopt 32 bit ARM processor, multi-channel 16 bit precision A/D convertor, high resolution TFT color LCD; 13. 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; 14. Low consumption circuit design, high energy Li batter supply, intellectual power management software, which make the instrument can continuously work up to 10 hours. Electrical parameters　 Accuracy class 0.05%, 0.1%, 0.2% Display 6"TFT (640×480) Power supply 220V±10%, 50/60HzLi-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 Phase to Netural 0-480V (Phase to Phase 0-830V) Test current Range (direct connection) 0-12A Error (direct connection) ±0.05% (10mA-12A)±0.1% (1mA-10mA) Range (clamp CT) 10mA-120A Clamp CT Optional 5A, 20A, 100A, 200A, 500A, 1000A, 2000A, 3000A Harmonic 2nd-64st Frequency Range 40-70Hz Mechanical parameters Instrument dimensions (W×H×D) (mm) 245×162×60 Instrument Weight (kg) 1.6 Carry case dimensions (W×H×D) (mm) 450×320×185 Carry case (kg) 10.6 Environmental conditions Ambient temperature -10°C to 55°C Relative humidity 15%-95% Environmental protection level IP51 TEL: 18901232181 EMAIL: