Definition and Classification of the Electric Meter
Electric Meter is used to measure the consumption of electricity and depletion rate, commonly known as watt hour meter, energy meter.
1. By Uses: Industrial meters and Civilian meters.
2. By Structure and Working Principle: Inductive (Mechanical), Static (Electronic), Mechatronic (Hybrid).
3. By Character of Power Supply: AC, DC.
4. By Accuracy Class: 0.2S, 0.5S, 0.2, 0.5, 1.0, 2.0 and so on.
5. By Standard: 0.01,0.05,0.2,0.5 and so on
6. By Installation of the Wiring: direct access, indirect access
7. By Electrical Equipment: Single-phase Two-wire, Three-phase Three-wire, Three-phase Four-wire watt-hour meter.
8. Nameplate and Model:
Part 1: Category Code: D: Energy Meter
Part 2: Group Code:
First letter S: Three-phase three-wire; T: Three-phase four-wire; X: Reactive power; B: Standard; Z: Maximum demand; D: Single-phase.
Second letter F: Multi-rate sheet S: Full electronic D: Multi-function Y: Prepaid
Part 3: Design Number: Arabic numerals.
Part 4: Improvement Serial Number: Use lowercase Chinese Phonetic Alphabet
Part 5: The Derivative Number: T, Wet and Dry; TH, Wet Tropical; G, Plateau; H, General use; F, Chemical Preservative; K, Switch Plate; J, Pulse Energy Meter with Receiver.
① on behalf of the meter accuracy of 1%, or 1 Standard Meter; ② on behalf of the power meter accuracy of 2%, or 2 Standard Meter.
Active energy meter kW · h
Reactive energy meter kvar · h
Contact Person: Mrs. Ada Yang
Tel: 86 15623095278