GF312D1 HANDHELD THREE PHASE ENERGY METER CALIBRATOR
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Product Details
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%
Display 6TFT 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 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
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