DDSY121D single-phase electronic prepaid electricity meter (infrared card) is a new type of electricity meter developed by our company, which has multiple functions such as energy metering, load control, prepaid management, and usage display. Adopting microcomputer bidirectional infrared communication technology, it is widely used in new residential communities, with convenient operation and high reliability. This product complies with the technical requirements of GB/T17215-2008 "Special Requirements for AC Measuring Equipment - Static Active Energy Meters - Levels 1 and 2" and GB/T18460.3-2001 "IC Card Prepaid Electricity Sales System" standards.

The infrared card single-phase electronic prepaid energy meter adopts a prepaid management mode. Users can purchase electricity with the infrared card, and the meter can automatically power off after the electricity is used up to remind users to purchase electricity in a timely manner;

Eight functional codes are displayed, making it more convenient for users to use and query meter data;

Equipped with a comprehensive fault self checking function, it can provide power outage alarms for overvoltage, overcurrent, non metering, etc;

Remote control operation, convenient for users to use, and more user-friendly operation;

The infrared card single-phase electronic prepaid energy meter is completely enclosed with no exposed card slot, preventing human attacks;

When installing an infrared card single-phase electronic prepaid energy meter, the meter box does not need to be slotted, the engineering quantity is small, and the meter box can be completely locked to prevent electricity theft;

When the infrared card single-phase electronic prepaid energy meter communicates with the infrared card, it beeps to confirm validity (there is a buzzer inside the meter), making it convenient for users to operate.