Single Phase Static Multi-Tariff Electronic Watt-Hour MeterApplication:
DDS155 series single-phase electronic watt-hour meter adopts ultra-large digital energy measurement chip and SMT technology, its key component selects that of internationl brand industrial class, to greatly improve the reliablity and service life of product. The product presents graceful appearance, firm structure, good performance and long service life, is suitable for measuring AC single-phase active energy of reference frequency 50Hz or 60 Hz.Specifications:
1. Standard-- IEC 62053-21: 2003, DL/T645-1997/2007.
2. Voltage-- 220V/230V (Single-Phase)
3. Current-- 1.5(6)A, 5(20)A, 5(30A), 5(60)A, 10(60)A, 15(60)A, 20(80)A
4. Frequency-- 50Hz/60Hz
5. Accuracy Class-- 2.0, 1.0, 0.5S; 2.0 (Reactive Power)
6. Pulse Constant(imp/kWh)-- 6400, 3200, 2400, 1600, 1200, 800, 400, 200
7. Clock Accuracy ≤ 0.5s/Day (Reference Temperature 23 centigrade)
8. Power Consumption ≤ 0.8W/phase
9. Data Storage Period ≥ 10 years, period for clock working since power off is ≥ 5 years
10. Intelligent logic control functionNormal working conditions and installation conditions:
1. Specified working temperature: -25° C-55° C;
2. Utmost working temperature: : -25° C-55° C;
3. Relative humidity: ≤ 85%(at environment temperature 23° C );
4. There shall be no harmful substance causing the corrosion in the air.Features:
1...Good temperature performance: The error shall not exceed accuracy range within the temperature range: -25° C-55° C;
2. Good light-load performance, the instrument has fine accuracy class at ultra-light load;
3. High accuracy of actual online measuring, high reliability, long service life;
4. Simple installation and operation; The installation position can't be affected by anything;
5. Strong overload capability, the meter overload ability can reach above 6 times within the accuracy class.
6. Strong ability of transportation resistance; The instrument can't cause the change of error under kinds of normal transportation conditions, user needn't adjust it after opening the box.
About Us (Company Introduction):
Wuhan Radarking Electrinics Corp. is the professional manufacturer of the high tech products with strong R&D capabilities. It was established in 2002, the former name is Wuhan Radarking Electronics Co.,Ltd. Our main products including: Smart Card Prepayment Energy Meter, Keypad Prepayment Energy Meter, Smart Electric Meter, DIN-Rail Electric Meter, Smart Water Meter, Gas Meter and AMR metering System for the Campus and Housing. We are one of the few manufacturers in Hubei province whose annual production of electronic meters and water meters can be up to 6000000 sets. We have our own brand "RADARKING", also welcome the OEM/ODM.