The DD284 type single-phase watt-hour meter is a kind of induction
of active electric energy in single-phase AC electric net.All
technical targets are completerly conformed to National Standard
GB/T15283-1994 Class 0.5、1 and 2AC Active Watt-hour Meter.
-The meter has separable iron core structure -The bearing has three
kinds:Aluminum,plastic and glass -The case has three
kinds:Aluminum,plastic and glass -The die-casting frame is alloy
aluminum with excellent mechanical strength