the wsd-43a of wisdom is a class 0.5, three-phase electronic meter. the major physical comprises cover, communication module, meter circuit board and base. the meter complies with ansi c12.18、c12.19 & c12.21 communication protocol, supports active, reactive, apparent, power factor and maximum demand records ,provides multifunction such as power measurement, 6-tier 4-seasion and 2 special days tou energy record and processes relative energy and meter data. the wsd-43a 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, immunity to surge voltage: 6kv.
• 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.
• load profile
• real-time clock and calendar