单一阶段的多能源关税表（静我

Single Phase Multi-tariff Energy Meter ( static meter , kwh meter ) Maximum 8 time period plus 4 time zones. Features: 1) Uses AD special measuring chips 2) High measuring accuracy 3) High overloading multiples 4) Able to record electrical voltage of a period of 12 months 5) Capable of measuring absolute values of positive and negative directions 6) Capable of setting manifold rates and eight periods of time for each day 7) The current running rate is indicated by a luminous tube 8) Double-rowed LCD display 9) Double watches are employed 10) Capable of recording the time and basic degree for the last programming as well as the ID number of the palm meter 11) Equipped with infrared communication interfaces, capable of extending to 485 ports and multifunctional exporting ports 12) Power-cut copying (power-cut displaying) 13) DDF-18S series of single-phase static multi-rate electric energy meters are measuring instruments which use special integrate circuits and adopt SCM technology. The technical indices are in accordance with state standards like GB/T17215 and GB/T15284. They are featured by small startup current, high overloading capacity and high clock accuracy 14) Extreme operation temperature: -10°C to 60°C 15) Demand accounting tariff: four demand accounting tariff, four time zones 16) 220V, 5 (20) A, 5 (30) A, 10 (40 )A 17) Power consumption: <0.7W