GF312B portable three phase energy meter calibrator with printer is used to calibrate three phase, single phase, active and reactive energy meters error. The instrument has a micro printer and portable design. It is very suitable for on-site calibration of electric energy meters. Feature: 1.accuracy:0.05%,0.1%,0.2% 2.Test range:0-600V; 3.With printer 4.Harmonic:2-64times 5.Weight: 12kg 6.IP65
