DDSF3-1 static single-phase multi-price watt-hour meter is composed
of a single-phase static watt-hour unit and price unit, LCD display
with high reliability infrared port. With high precision accuracy,
good stability and powerful overload ability, providing reliable
measurement for single-phase time-sharing fees.

Features:
1) Time-sharing measurement: four prices, eight time units, and
calendar timing plus leap year functions
2) Electricity consumption: provides not only sum total and
time-sharing sum total function, but also memorizes the current
and data retrieved last month
3) Communication with meter by infrared hand-held computer to complete
meter reading automatically, operation parameters setup and
correction for clock
4) Impulse output and expandable RS485 interface
5) LCD display