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Definition and Classification of the Electric Meter

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Definition and Classification of the Electric Meter
Latest company news about Definition and Classification of the Electric Meter

 

Definition and Classification of the Electric Meter

 

Definition:
Electric Meter is used to measure the consumption of electricity and depletion rate, commonly known as watt hour meter, energy meter.
Classification:
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

Pub Time : 2018-03-05 09:15:56 >> News list
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