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It can measure 50Hz or 60 Hz active power consumption in three-phase three-wire or three-phase four-wire AC grid.
Product overview:
Three-phase prepayment watt-hour meter uses imported specific large-scale integrated circuits, 16 bit A/D conversion, digital multiplier, digital sampling and processing technology and SMT technology. It can measure active power consumption in three-phase three-wire or three-phase four-wire AC grid which the measuring rated frequency is 50Hz or 60 Hz.
Features of function: It can be applied to computer management, first purchase electricity then consume electricity. Limit the maximum power within rated current range (defined by the electricity sector). Each meter has a card. The card is specialized. You can still use electricity if you lose the card , and you can fill the card to continue to use. The electric card can realize bidirectional data transmission. It can switch off automatically when the electricity is zero. It has anti-theft software design. It can be installed indoors. The applicable environmental temperature is -20~+55°C , the relative humidity can not be over 85%. There is no corrosive gas in the air. Avoid dust, mold, insets etc.
Specifications and main technical parameters:
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Installation dimensions:

Can also be based on customer needs, provide sample processing and OEM production of supporting services.
And we aslo sell complete set as followed photo.

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