Detailed Product Description
DDSY846 Static single-phase pre-payment electricity meters
1. This meter is equipped with measurement of positive electric energy and negative energy can be counted into accumulated energy. Functions including: LCD display of electricity consumption, operation of IC card, prepaid expense control, and over-load current alarm, and so it is very reliable and safe.
2. Consuming electricity through charge prepaid by IC card. The card for purchasing electricity can be automatically read on back data for electricity consumption from the meter.
3. Alarm will signal to a client for purchasing electricity when residual electricity consumption is equal to alarming electricity consumption.
4. Smart card with security logic (IC card) and plural logic setting ensure the safety of data.
5. Automatically switches off electricity when over-load electricity occurs.
6. Large capacity magnet-latching relay is provided for the meter, having low power and high reliability.
7. Each user is provided with unique card, which works well in anti-fraud.
8. Display current readings for residual electric quantity and accumulated electricity consumption.
9. Checks up the clients ID number and data for the consumed electricity consumption by using test card.
Specifications and parameters:
1. Rated voltage: 220v
2. Basic current: 5(20)A,10(40)A
3. Accuracy class: 1.0, 2.0
4. Power loss:<2W
5. Rated frequency: 50Hz
6. Storing time for power-off data: ≥10 years
