The GF102 series portable single phase energy meter test bench used to calibrate 1pc or 3pcs single phase energy meter or AC meter at same time. Adopt mature signal synthetic and power amplifier technology, high precision voltage source and current source output from 120A/600V, accuracy 0.02% or 0.05%. Widely used in lab and field, and then as single phase standard source. It is suite for electricity meter manufacturing enterprises, scientific research institutes, metrological service institutions, electricity power utilities etc. This model GF102 portable meter test bench have been used for more than eighty countries in the world. It is stable, reliable and high-precision, welcome to choose it!