FIELD: electron-measuring technique.
SUBSTANCE: electricity meter belongs to device for accounting and controlling consumption of electric energy in single-phase ac circuits, preferably in domestic appliances area. Electricity meter is provided with microprocessor, which has set of programmed timers and real time clocks, fed by autonomous supply. Device also has voltage level control unit, which has input connected with power supply and its output is connected with microprocessor. Device is also provided with protection unit.
EFFECT: improved precision of measurement; widened functional abilities.
10 cl, 1 dwg
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Authors
Dates
2007-04-27—Published
2005-10-25—Filed