with auto PC control software;

with barcode scanning function optional;

Meter positions can be chosen from 3 - 48;

Self-check and perfect protection function;

High resolution of voltage, current and power;

Large LCD display and simple interface for operation;

Full automatic, semi automatic and manual operation available;

Aluminum alloy material,light and strong and corrosion resistant;

Wide current measuring range which can be automatically switched;

High stability of power source which is up to 0.01%/100s and low distortion which is no more than 0.3%;

High accuracy, 6-digit display the energy relative errors are no more than 0.05%(0. 1%)within the measuring range;

Equipped with sing phase mulfunction reference meter and progam-conrolled single phase power source which can be separately used and are convenient for testing;

Pre-warming;

Meter constant test;

Starting current test;

Creep test (No-load test);

Dips and Interruptions;

Dial test (Register test);

Equipped with RS232 communication port;

Testing single-phase meters under tampered conditions;

Calibration of lower accuracy reference standard meter;

Able to print out all kinds of test reports with the standard forms;

Calibrate all kinds of electronic and inductive single phase kWh meter;

Influence quantity test (voltage, frequency, harmonic distortion, etc.);

Automatic measurement like shunting, basic errors, standard deviation etc;

Accuracy test in all four quadrants (active, reactive and apparent energy);

Test voltage, current, active/reactive/apparent power, phase, power factor, frequency, and etc;

Able to display waveform of voltage and current able to set 2nd-51st harmonic of voltage and current, measure the waveform distortion and harmonic content, and display harmonic chart;