1.Using high precision A/D (16 bits), the acquisition rate is high and the precision is high;
2.Using ARM kernel, processing speed, software function is rich greatly improve the test efficiency;
3.The 3.2 inch color LCD Chinese characters under the sun, clear display;
4.Automatic or manual calibration of single phase, three-phase three wire, three-phase four wire active and reactive full series of electric energy meter;
5.Automatic calibration of low-voltage metering device of CT ratio, angle difference, comprehensive error and low pressure metering device;
6.Real- time measurement of AC voltage, AC current, power, frequency, power factor, phase and other electrical parameters;
7.Visual display vector diagram, provide common error wiring identification tips;
8.Using high performance lithium battery power supply, a charge for 8 hours;
9.Carry out the word error test of electric energy meter at the scene;
10.Can save 200 sets of measurement data, and can be viewed on the instrument, the shutdown data is not lost;
