Power-grid-meters producer MEgA has every type of power calibrator Meatest ever made. Why's that? Because the entire factory can run on single calibrator - Three-phase PQ meters, magnetic current sensors, energy meters, voltmeters, you name it.

M133C Three-Phase Power & Energy Calibrator is a heavyweight. Not just in terms of its actual weight but also when it comes to its unique features allowing for calibration of just about anything that measures electricity.