Bidirectional active energy measurement, reverse energy accumulated to positive energy
New transfer credit accumulates to remaining credit. 20 digit number using the Standard Transfer Specification (STS) encryption protocol
Low credit warning: When remaining credit crosses the minimum credit, the warning LED glitter and buzzer buzzes, and LCD also indicates the warning symbol to remind user to purchase credit.
Credit overflow limit: If the credit amount transferred plus remaining credit more than credit stock limit, then the credit amount transferred will be refused, but the Credit amount transfer token is still valid.
Maximum power limit alarm: If users load exceeds the maximum power limit, the warning will blink and buzzer buzzes, and LCD also indicates warning symbol.
Anti fraud: The meter has anti-tamper features such as; Meter cover open, terminal cover open, external magnetic fields, reverse energy, meter bypass, phase to neutral line interchange and load earthing.