Zhejiang Risesun Science and Technology Co.,Ltd.
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Three Phase Four Wire Multi-tariff Electronic Meter as per DL/T 645-2007
General introduction
Three Phase Four Wire Multi-tariff Electronic Meter as per DL/T 645-2007supports import and export metering with TOU or step tariff functions. It can record various events and meter can be read during power outage.
Technical specifications
| Items | contents |
| Standards | IEC62052-11; IEC62053-21; IEC62053-22; IEC62053-23; |
| Accuracy | Active:Class 0.2S or Class 0.5S or Class 1.0;Reactive:Class 2 |
| Protocol | DL/T 645-2007 |
| Reference voltage | 3×57.7/100V;3×220/380V |
| Current | CT connection:1.5(6)A,5(6)A,5(10)A, Direct connection:10(40)A,10(60)A,20(80)A,10(100)A |
| Reference frequency | 50/60Hz |
| Power consumption | <1.5W,6VA(For each phase) |
| Operation voltage range | 0.8Un~1.2Un |
| Limited operation voltage range | 0.7Un~1.3Un |
| Operation temperature range | -25℃~ +60℃ |
| Limited operation temperature range | -40℃~ +70℃ |
| RTC deviation | ≤0.5s/d |
| Life time | 15 years |
| Size | 290mm(L)×170mm(W)×85mm(H) |
| Net weight | About 2.8kg |
Main functions
1. Display and indication: It adopts a large screen LCD with abundant graphics and hint text. The displayed contents can be scrolled automatically or by button, and the displayed items can be configured as per the requirements. It is with backlight. Meter can be read during power outage.
2. Measurement: It can measure voltage, current, active power, reactive power, apparent power, power factor, import and export active maximum demand, and four quadrant reactive maximum demand. It is with high accuracy. Class 0.2S, Class 0.5S or Class 1 for kWh are available.
3. TOU: 4tariffs; Built-in 2 sets of time zone tables and 2 sets of daily period tables, which can be configured as per the requirements. The switching time for both 2 sets of time zone tables and 2 sets of daily period tables can be set to achieve the mutual switching. It can be set 14 time intervals and 254 holidays.
4. Data snapshot: It supports freezing which include daily freezing, hourly freezing, occasional freezing, immediate freezing.
5. Event logs: It can separately record latest 10 times events, such as power outage, programming, time correction, meter cover open and terminal cover open, reset of events, reset of meter, etc.
6. Communication interface: The meter has one far infrared interface, one RS485. Interfaces are independent. The protocol of meter conforms to DL/T645-2007.
Our company
Risesun is a national level high and new technology enterprise with the business range of research and development, production, sale and after-sales service for energy measuring meters and acquisition systems of consumed energy information. Under the strong supports and caring of our friends, basing on the spirit of “Being enterprising, pursuing excellence”, Risesun has developed into the first-class domestic listed enterprise with the international leading level in three major areas, namely, intelligent electric power energy metering equipment, charging piles and international electric power energy system integration. Risesun has won many honorary titles and qualifications, such as National High-tech Enterprise, China Famous Trademark, Zhejiang Province Famous Brand Products, Enterprise R&D Center and etc.