Electric Energy Meter Model And Its Meaning

The electric energy meter model is represented by an arrangement of letters and numbers, and the content includes category code + group code + design serial number + derivative number.

(1) Category code. D — electric energy meter.

(2) Group code.

1) Represents the phase line: D — single-phase; T — three-phase four-wire active power; S — three-phase three-wire active power; X — three-phase reactive power.

2) Indicating usage: B — standard; D — multi-function; M — pulse; S — full electronic; Z — maximum demand; Y — prepayment; F — multiple rate.

(3) Design serial number. It is expressed with Arabic numerals.

(4) Derivation number. T — Damp, heat and dry; TH — for humid tropical zone; TA — for dry tropical zone; G — for plateau use; H — for marine use; F — for chemical anticorrosion.