We are a China electric meter supplier. Electric watt-hour meter is a kind of induction meter, which is applicable to measure the rated frequency 50Hz and power loss in electrified wire netting. All technical targets are completely conforming to National Standard GB/T15283-94 and International Standard IEC 521. The electric watt-hour meter has separable electromagnet, and the bearing has four kinds include single-jewel, dual jewel, magnetic thrust and magnetic floating. We also have aluminum, plastic and glass cases for your choice. The die-casting frame is alloy aluminum with excellent mechanical strength.