DDSF169 Electronic Single-phase Multi-rate Energy Meter Application:
Type DDSF169 single-phase electronic multi-rate energy meter is a new generation of product, which is developed lately by absorbing the opinions from the experts and majority of power users, as well as foreign new technology.
The product meets the requirements of GB/T17215-2002 (rade 1 and 2 static AC active watt hour meter) and GB/T15284-2002 multi-rate (time sharing) watt hour meter.
Expect for the fundamental functions of time sharing measurement, it can still be provided with other additional functions(such as maximum demand, infrared meter copying a-an string, etc) to meet the requirements of different users.

Main characteristics:
1. Chips, LCD and crystal oscillator adopt industrial products, have Long service life and excellent performance.
2. High integration, simple external circuit, rational layout, good overall performance, small size, easy installation.
3. Have a strong anti-interference and high voltage stamping, wide operating voltage range.
4. Protective function with password.
5. Function for protecting agagingst electricity-theft with the warning display of electricity-theft.

Technical indes:
1. Error of day timing: ≤ 0.3; Tempaerature factor ≤ ± 0.1s/(degrees)
2. Operating voltage range: 70%~120% rated voltage
3. Error of collecting signal: ≤ 1× 10-5
4. Power consumption: 1W
5. Service temperature: -25~+55degrees6. Storage&deivery temperature: -35~+65degrees
7. Battery capacity: ≥ 1.2, Storage life: ≥ 10years
8. Liquid crystal display: ≥ 100, 000h