The WSD-31S of Wisdom is a class 0.5, single-phase electronic meter. The major physical comprises cover, communication module, meter circuit board and base. The meter provides multifunction such as power measurement, 6-tier 4-seasion and 2 special days TOU energy, record and process relative energy and meter data. WSD meter offers high quality, reliable, accurate energy measurement performance.

• Class 0.5 accuracy.

• Low starting watts captures energy consumption at levels typically not registered by electromechanical meters.

• Low burden minimizes utility system losses, registers energy when meter inverted.

• Six configurable metered energy quantities supporting Bi-directional metering.

• Support for up to 6-tier, 4-season, 2 special days TOU energy with critical tier pricing.

• 1 demand register with 1-, 15-, 30-, or 60-minute block demand for kWh.

• Maximum 6 channel interval data recording (15-, 30- or 60-minute) with EOI energy snapshot.

• 6-digit, 7-segment liquid crystals display (LCD).

• RTC and activity calendar

• Load Profile