Overview of DDSY1500 Electronic Single-Phase Prepaid Electricity Meter

1. Use, Features and Scope of Adaptation

DDSY1500 all-electronic single-phase prepaid electricity meter (hereinafter referred to as electricity meter) uses microelectronics technology to measure electric energy. Electric meters that comply with GB/T17215.321-2008 and GB/T18460-2001 standards. It adopts fully shielded and fully sealed structure. The advanced single-chip processing system is used for data collection, processing, and storage, which has the characteristics of good anti-electromagnetic interference, low self-consumption and power saving, high precision without meter calibration, anti-theft of electricity, high overload, and long life.

Main features: Apply computer management, purchase electricity first and then use electricity. The maximum power used can be limited within the rated current range (limited by the power supply department). One meter and one card, dedicated to the special card, the card will not lose power if the card is lost, and the card can be used again. Electric cards can transmit data in both directions. It can automatically power off and alert users to purchase electricity. When the power is zero, it will automatically turn off the power. And has a certain anti-theft software design.

DDSY1500 series electronic energy meter is suitable for active energy measurement with frequency of 50Hz or 60Hz, installed in indoor or outdoor meter box. It is suitable for the ambient temperature of -20~ plus 50 degree , the relative humidity does not exceed 85 percent , and there should be no corrosive gas in the surrounding air to avoid the influence of dust, sand, salt spray, condensation, etc.

Ib is the rated current, and Imax is the rated maximum current.

3. Starting current: Under the condition of reference voltage, reference frequency and power factor of 1.0, when the load current is 0.4 percent Ib (level 1.0), the electric energy meter should have pulse output or the indicator light representing the electric energy output flashes.

4. Creeping: When the reference voltage is applied to the voltage loop and there is no current in the current loop, the measurement output should be no more than 1 pulse within 10 times the time that the electric energy meter generates a pulse under the starting current.

5. Power consumption: Less than or equal to 1.0W