Single-phase/three-phase standard meters are crucial for various purposes. Primarily, they serve as reference instruments for calibrating and verifying the accuracy of energy meters in residential, commercial, and industrial settings. These meters are utilized in testing laboratories to assess the performance of energy meters under different conditions.

TUNKIA offers single-phase and three-phase energy meters, including single-phase standard meters, three-phase standard meters, portable three-phase energy meter testers, etc.