Product Description
Single Phase Electronic Multi-tariff Energy Meter
【General Introduction】
Adopting special large-scale integrated circuit and manufactured with advanced SMTprocess of reliable function, high precision, high overload and low power consumption，it was a new product deveioped by LGG to meet the special demand like farming irrgating. And its standard infrared communication port and 485 communication and high quality relay can realize functions of local meter reading ,setting, clock setting and period program etc.
【Functions and Characteristics】
* 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.
* To record maximum demand and occurrence time.
* To record counts of programming, time of the latest programming, counts of demand clearance manually, the latest time of clearance.
* The management system can set the billing date automatically.
* LED display and drum getister display.
* Self verifying.
* Large LCD display.
* Infra-red and isolated RS-485 port.
【Technical Specification】
Contents | Technical Specifications |
Standard | GB/T17215-2002、GB/T15284-2002 |
Measurement | Active | Positive active energy consumption measurement |
Negative active energy consumption measurement(will be counted into positive active energy consumption) |
Standard | Rated Voltage（V） | 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 | 710g |
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 |
Battery life | >10years |
Communication Protocol | RS485 | obey the requirements of DL/T645-1997 |
Infrared |
Climatical Condition | Operating Temperature range | -25℃～55℃ |
Limit Temperature range | -30℃～60℃ |
Storage Temperature | -40℃～70℃ |
Relative Humidity | ≤85%
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