Description of Single-phase Electric Watt-hour Meter
The single-phase 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.
Structure and Features of Single-phase Electric Watt-hour Meter
The single-phase electric watt-hour meter has separable electromagnet, and the bearing has four kinds: single-jewel, dual jewel, magnetic thrust and magnetic floating. The case has three kinds: aluminum, plastic and glass. The die-casting frame is alloy aluminum with excellent mechanical strength.
Technical Parameters of Single-phase Electric Watt-hour Meter
| Type | Accuracy (class) | Rated voltage(V) | Rated current(A) | Overload capacity | Starting current | Insulation performance |
| SE-2 | 2 | 220 | 2(4), 2.5(10) 3(6), 5(10) 10(20), 20(40) 30(60), 40(80) | 200%Ib | 0.5%Ib | AC voltage 2KV for 1 minute impulse voltage 6kV |
| SE-3 | 2(6), 3(9) 5(15), 10(30) 15(45), 20(60) | 300%Ib | ||||
| SE-4 | 5(20), 3(12) 10(40), 15(60) 20(80) | 400 %Ib |



