Three phase four wire active energy meter is a induction meters which is applicable to measure 50 Hz or 60 Hz active energy consumption from three phase AC electricity net. All technical targets are completely conformed to National Standard GB/T15283-2008 and International standard IEC62053-11. It has the features of tight structure design, high overload, low power loss, long service life, specious appearance, etc.
Features:
1. Large LCD display, abundant status indication and auxiliary message
2. There are far infrared,a port of RS485 communication data and GPRS, and physical communications ports are independent.
3. Time-share measure forward active power,reverse active power and four quadrant reactive power; Measure split-phase forward active power,reverse active power and four quadrant reactive power.
4. Time-share measure the maximum demand and occurrence time of forward active power,reverse active power and four quadrant reactive power .
5. Record and store 13 months' voltage quality statistical data.
historical data maximum nearest 12 times.
6. Most eight tariffs,main producing two sets of tariff schedule,Clock double backup automatic error correction.
7. Double backup data storage, automatic correction parameters;
8. Can set the data records of a 6 type load curve,Storage capacity up to 2M bytes.
9. Comprehensive event record type,having anti-fraudulent use open detection function.
10. Recorded and stored for 13 months of the voltage quality of statistical data.
11. Rich self-checking, error correction and alarm function.
12. After the power off can through the button or hand-written device wakeup display, can read the mete by far infrared.
13. 10 levels of password protection, after many times wrong password communication locked, support single stage password lock function.
14. AC / DC adaptive auxiliary power supply, power from the auxiliary power supply power supply priority.
15. Record a variety of frozen data, formed by the event recording, load curve and freeze data graphical of the electrical anomaly analysis.
16. Supported by wireless remote monitoring data.
17. Monitoring meter running state, active real time reporting theft, illegal operation and fault alarm information
18. Credit control function optional: Location credit control:have IC card,Support IC card electricity purchase and communication remote power purchase; Remote credit control:no IC card,Support communication remote closing.
Communication:
RS485, Infrared, PLC, Wireless, GPRS/CDMA optional.. Prepayment with CPU Card, as well as remote prepayment with PLC, wireless, GPRS and others.
Technical Parameter
Name | Parameter |
| Standards | GB/T17215.301-2007, DL/T614-2007, DL/T645-2007, State Grid and China Southern Grid Smart Meter Standard |
| Voltage | 3*220V/380V |
| Current | 1.5(6)A, 5(20)A, 5(30A), 5(40)A, 5(60)A, 10(40)A, 10(60)A, 15(60)A, 20(80)A, 30(100)A |
| Frequency | 50Hz |
| Accuracy Class | 0.2S, 0.5S, 1.0(active power); 2.0(reactive power) |
Impulse Constant
(imp/kWh) | 6400, 3200, 2400, 1600, 1200, 800, 400, 200 |
| Clock Accuracy | ≤ 0.5s/Day (Refer to temperature of 23 centigrade);
≤ ± 1.0s/Day at -25 to +60 centigrade) |
| Capacity of Lithium Battery | ≥ 1.2Ah, the working time lasts more than 5 years even if power off . |
| Data Storage Period | ≥ 10 years |
| Power Consumption | ≤ 2.0 W |
| Communication Rate for Infrared | 1200BPS |
| Communication Rate for RS485 | 2400BPS (Typical Value)
600BPS, 1200BPS, 2400BPS, 4800BPS, 9600BPS (optional for demand) |
| Digital Display | 6+2 bits LCD |
| Weight | About 2.5kg |
| Dimension | 112*160*58 mm |
Wuhan Radarking Electronics Corp. is a high-tech corporation which established in 2002. As professional manufacture in meters, our mainly products including: Full Digital IC Card Prepayment Electronic Meters, Smart Electronic Meters, IC Card Prepayment Water Meters, Gas Meters as well as Meter (network) Reading System. We are one of the few manufacturers in Hubei Province whose annual production of electronic meters and water meters can be up to 2.4 million sets.
Employee: There are more than 200 employees including 50 technicians, 10 senior technical staff and 70 employees who have already got college degree, 30 of them obtained metrological verification certificate. Production and technical staff all undergo a rigorous pre-service training, who are skilled and have a strong sense of quality.
Technology: We have a R & D group of 20 persons (About 10% of the company's employees).
Equipment: We have 260 sets of production and testing equipments, including 7 production lines, more than 20 units of the calibration device such as wave soldering machine, reflow soldering machine, automatic placement machine, plug-in assembly lines, assembly lines, packing lines and etc, which have all meet the production requirement.
Material: Materials are in strict accordance with the requirements of the meters and the procurement of national standards, we have already established a qualified supplier evaluation system, and developed a series of test standard. All the materials have to pass strict test before entering into factory, and then be used in production. Measures have been taken to prevent damp and static electricity to ensure the normal performance of the raw materials.
Craft: To make a variety of electronic meters in accordance with the production process, we have developed process documents, to ensure the quality of the products.
Test: We have electronic meter laboratory and full range of test equipments, such as EMC Equipment (ESD, EFTB, SURGE, RF, Attenuation Oscillasion Impulse, DIP, Impulse Current, Pulsed Voltage and etc), Environmental Test Equipment (Alternating Temperature Humidity Test Chamber, Dust Test Devices, Waterproof Test Device, Shock Test Device, Vibration Test Device and etc), R&D Testing Equipment. We make a variety of electronic meters in accordance with the test and develop our test documents to ensure the quality of the products.
Environment: Our production base covers an area of 30 acres, and self-building workshop covers an area of 7000 square meters, production and storage area covers more than 5000 square meters.
Management: We have a high efficiency, innovative, serious management team, and the factory has already passed ISO9001-2008 QMS.
