الوصف

Advantages of STS Keypad Prepayment Energy Meter
1. Compatibility: STS ensures inter-operability between system components from different manufacturers of prepayment systems.
2. International Standard: Comply with IEC ****5 the only international series of specifications of prepayment meter.
3. Security: As safe as bank account. Security is approved by National Institute of Standards and Technology (NIST) and Federal Information Processing Standards(FIPS).
4. Virtual Media: Virtual media data exchange mode supports multiple vending methods such as SMS, Scratch card, POS or E-vend etc.
5. Easy Maintenance: Compared with IC card meter, keypad meter has no requirement of storing and managing thousands of cards.

Functions of keypad prepaid meters:
1.Active power measurement.
2. Parameter monitor.
3. Power load control
4. Anti-tamper funciton.
5. Recording events function.
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