DEM111 Three phase max. demand watt-hour meter is a kind of mechanism electronic integrative new-style watt-hour meter with max demand measuring function which is designed and manufactured by our company and developed for adapting electric power line user load control demand. DEM111 Three phase max. demand watt-hour meter is suitable for measuring rated frequency 50Hz single phase AC active energy electric energy consumption. Its technical performance are completely conform to National Standard GB/T15283-94 and international standard IEC60521. Function and features: 1. Infrared remote controller programming setup, distinguished by code. 2. The data is preserved forever if power is interrupted, The spare batteries lose low power and can't be protected. 3. It has two kinds of max demand measuring ways: Slide window way and Block way. 4. The direction of electric power can be distinguished automatically, and false impulse won't be input. 5. May choose long-distance impulse interface and realize collecting transcription meter.
