The instrument is a precision AC energy meter testing instrument, mainly used to test three phase energy meter error on site and measure various of AC parameters.

w          Three phase active or reactive electricity energy meter;

w          Calibrate three phase, single phase, active or reactive meter error;

w          Measure U(voltage) of three phase or single phase;

w          Measure I(current) of three phase or single phase;

w          Measure active power of three phase or single phase;

w          Measure reactive power of three phase or single phase;

w          Measure apparent power of three phase or single phase;

w          Measure power factor of three phase or single phase;

w          Measure phase angle between voltage and current;

w          Measure frequency of power line;

w          Display vector diagram;

w          Display waveform of U and I;

w          Analyze and display content of harmonic of U and I;

w          Store and look measured data;

w          Optional 5 A, 20 A, 100 A, 500 A, 1000 A, 2000 A current clamp;

w          Measure CT variable ratio;

w          Measure the ratio or lag-angle of low-voltage transformer.

w          Print the data of measurement on site;

w          Adopt 32 bit ARM processor, multi-channel 16 bit precision A/D convertor, high resolution TFT LCD;

w          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.

w          Low consumption circuit design, high energy Li batter supply, intellectual power management software, which make the instrument can continuously work up to 10 hours.