Single Phase Sts Prepayment Energy Meter (DDSY1088)

OVERVIEW:

The meter is with advanced measuring chip with high reliable CPU, and manufactured with advanced SMT Process.
The meter complies with standards of IEC 62055-41, IEC62055-31, and IEC 62055-51.

FEATURES:

1. Bidirectional active energy measurement, reverse energy accumulated to positive energy.
2. Measuring the total accumulative and remaining energy.
3. The meter will automatically switch off when the remaining power was used out.
4. Using the STS encryption techniques and protocol to generate 20 digits cryptograph which can be used to charge energy, set key, clear tampering sign and so on.
5. Multi-level remaining power, the meter will alarm when the remaining power is low.
6. 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.
7. Alarm: When remaining credit crosses the minimum credit (5.00kWh, 2.0kWh, 0.5kWh), the warning LED blink, LCD also indicates the warning symbol to remind user to purchase credit. Buzzer buzzes offers customizing.
8. Open upper cover and terminal cover detection whether the meter is power on or off.
9. Switch off when the power is over the set value.
10. LED pulse light output.
11. Pulse output energy.
12. Charge the meter through SMS, internet and so on.
13. High reliability and high accuracy, easy to use.

SPECIFICATION