Sngle Phase Power Line Carrier Prepayment Electronic Meter
【Functions and Characteristics】
* Positive/negative active energy consumption measurement( negative active energy consumption will be counted into positive active energy consumption).
* CPU card prepayment, purchasing before using.
* Alarm at low remaining power to remind user of timely purchasing.
* Carrier Wave communication through power lines with automatical relay function.
* The meter can allow credit consumptions and the debit can be subtracted in the next transaction.* Load Control function and load can be setted.
* Real time clock.* The real status of relay can be checked automatically.
* Energy consumption frozen and stored function.
* Self verifying function.
* RS485 Communication and infrared.
* Display: LCD display.
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