Product Specifications
| Prod Model: |
DDSD22 |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Single Phase: |
Multi-Function |
| Display: |
Digital |
| Installation: |
Direct Connected |
| Usage: |
Multi-rate Watt-hour Meters |
| Electric Equipment: |
Single-phase |
| Theory: |
Electronic Meter |
| Power Meter Connection: |
Terminal |
| Measured Signal: |
Pulse Peak |
| Type: |
Energy Meter |
Product Description
DDSD22 Single Phase Multi-function Electronic Meter has storage of reverse active energy and total, sharp, peak, shoulder and off-peak energy for direct active energy of latest 12 months. LED displays data of the latest 3 months.
It has two time zones, four rates, ten time periods and can record maximum active demand, real time clock display. The average demand of each hour of the latest 60days and load curve can be recorded. Programming and meter setting can be achieved via Infrared and RS-485 port. Load control and load can be setted.
It has storage of reverse active energy and total, sharp, peak, shoulder and off-peak energy for direct active energy of latest 12 months. LED displays data of the latest 3 months.
Two time zones, four rates, ten time periods.
Recording maximum active demand, real time clock display.
The average demand of each hour of the latest 60days and load curve.
To compile the display items and scrolling display items. To record counts of tamper and cumulative tamper time.
Large LCD displays in big character.
Programming and meter setting can be achieved via Infrared and RS-485 port.
Self verifying and can alarm through display.
Load control and load can be setted
To measure and display the energy consumed and arrearage. Various function cards available.
Two level alarm controlled by relay.
Buzzer alarm.
Negative consumption measurement.
| Contents | Technical Specifications |
| Standard | GB/T17215-2002 |
| Measurement | Active | Positive active energy consumption measurement |
| Negative active energy consumption measurement(will be counted into positive active energy consumption) |
| Standard | Rated Voltage | 220 |
| Rated Current (A) | 2(10) 5(25) 5(30) 10(50) 20(80) |
Meter constant imp/kWh | 6400 3200 1600 800 |
| Accuracy Class | 1.0 |
| Frequency | 50Hz |
| Weight | 810g |
| Output | Output test | Active Width of Pulse: 80ms±20% |
| Electrical Parameters | Normal working pressure | 0.8Un -1.15Un |
| Limit working pressure | 0.7Un -1.2Un |
| Power Consumption | Voltage Circuit <1.0W 5.0VA Current Circuit <1.0VA |
| Display | 0-999999.99 kWh |
| Storage after outage | >20 years |
| Time Accuracy | <0.5second/day |
| Batterylife | >10years |
| Communication Protocol | RS485 | In accordance with DL/T645-1997 |
| Infrared |
| Climatical Condition | Operating Temperature range | -25--55 |
| Limit Temperature range | -30--60 |
| Storage Temperature | -40--70 |
| Relative Humidity | ≤85% |
Established in 1968, Ningxia LGG Instrument Co., Ltd. Specialized in researching & developing, designing, manufacturing and marketing of various smart energy measuring meters. It is the one who manufactured the first electronic energy meter of China. With more than 1, 000 of staffs and over 10 millions of smart energy meters production capacity, as well as 6 millions of smart water, heating and gas meter in total, LGG is already the largest smart energy measuring meters foundation of western China. LGG is growing up along with the China Smart Energy Grid all the time, with the leading technology products and constantly improvement of the systematic service, the company is able to create the best value for all the customers in the field of electricity, water, gas, heat metering and energy efficiency management all the time. Now it has formed series products such as watt-hour meter, water meter, heat meter, gas meter, etc. Meanwhile, the load control terminal devices, collectors, concentrator and comprehensive energy management system are available to be provided as well, the company is already a leading supplier of energy metering products and system solutions in China.
Besides maintaining compact strategic cooperation relationship with the State Grid Corporation of China, LGG never stops on the exploration and pursuit of the international market, parts of LGG products has been applied in the countries of India, Philippines, Bangladesh, Australia, France, South Africa, Morocco, Ghana and Mongolia etc.
Adherence to the "customer satisfaction" as the enterprise objective, LGG will become the backbone of the construction of the smart grid.
To create intelligent life, LGG together with you!