HS-3303M is a three-phase electric energy meter inspection device designed based on the requirements of the IR46 metering part, which meets the harmonic requirements of the IR46 electric energy meter. It can output square wave, peak wave, current multiple zero-crossing wave, higher harmonics, odd harmonics, sub-harmonics, custom harmonics, etc. This device is equipped with 3 epitopes and has a small structure, which is suitable for product research and development, model selection, random inspection, etc. For more product details,please see Energy Meter Test Bench this page :