Three Phase Three Wires IC Card Prepayment Electric Energy Meter

Features
1. Product's Type-- One Card One Meter, Multi Cards One Meter, One Card Multi Meters, Special Load Identification.
2. Electric Power Measurement-- Positive active power and reverse active power which can be measured.
3. Prepayment-- IC Card prepaid, electricity sector receive energy charge in advance through selling IC Card. User pay first.
4. Ladder Billing-- Two schemes for electricity price. It can automatic changeover when at promissory time or reach certain value.
5. Manner of Working-- Warning/Overdraw Manner. Warming/Overdraw electricity, maximum accumulations can be set.
6. Protections-- Over Voltage, Over Current, Over Load Protections.
7. Display Method-- LED or LCD display the rest electricity(charge), cumulative electricity consumption, current power in alternant way.

8. Reliable Design-- Perfect power source and electromagnetism compatible design, which are suitable to the strong electromagnetism disturbance and big occasion of power source fluctuation.
9. Cover for Meter-- Fully sealed dustproof and waterproof design, material of cover has excellent flame retardant and anti-corrosion, anti-aging properties.
10. Interface Protection-- Perfect interface protection circuit, which keeps the meter from all kinds of vicious attack, no damaging for meter, no lose for data, and no delay for active.
11. Communication Mode-- Infrared, RS485 interface or carrier communication module (Optional).
12. Power Supply System-- Three-phase power supply or it can work while just one phase has electricity if three phase four wires.
13. Management System-- Suit for Digital IC Card Smart Electric Meter Management System(SKZHSFN3.17-SD), Water/Electricity "One Card" Management System (SKZHSFN3.17-YKT).