DD17 single -phase watt-hour meter is induction meter which is applicable to measure the rated frequency 50Hz and power loss in electrified wire netting. All technical targets are completely conformed to National Standard GB/T 15283-94 and International Standard IEC 521
Structure Features
The meter has separable electromagnet and the bearing has four kinds; single-jewel, dualijewel,magnetic thrust and magnetic floating. The case has four kinds; aluminium,black plastic; transparence plastic and glass. The die-casting frame is alloy aluminium with excellent mechanical strength.