Sngle Phase Power Line Carrier Prepayment Electronic Meter
Product Description
【General Introduction】
Adopting special integrated circuit and manufactured with advanced SMT and re-flow soldering technology, DDSIY22 Single Phase Power Line Carrie Prepayment Electronic Meter can be used for measuring active and reactive electric power that requires both timesharing and prepayment. The circuit design and component selection allow maximum tolerance thus the meter can run with stability, accuracy, high overload, low power consumption and reliability.
【Functions and Characteristics】
* Positive/negative active energy consumption measurement( negative active energy consumption will be counted into positive active energy consumption).
* CPU card prepayment, purchasing before using.
* Alarm at low remaining power to remind user of timely purchasing.
* Carrier Wave communication through power lines with automatical relay function.
* The meter can allow credit consumptions and the debit can be subtracted in the next transaction.
* Load Control function and load can be setted.
* Real time clock.
* The real status of relay can be checked automatically.
* Energy consumption frozen and stored function.
* Self verifying function.
* RS485 Communication and infrared.
* Display: LCD display.
【Technical Specifications】
Contents | Technical Specifications |
Standard | GB/T17215-2002、GB/T18460.3-2001 |
Measurement | Active | Positive active energy consumption measurement |
Negative active energy consumption measurement(will be counted into positive active energy consumption) |
Specification | Rated voltage(V) | 220 |
Rated current(A) | 2(10) 5(25) 5(30) 10(50) |
Constant(imp/kWh) | 6400 3200 1600 |
Accuracy class | 1.0 |
Rated frequency | 50Hz |
Weight | 880g |
Output | Output Test | Active Pulse width:80ms±20% |
Electrical Parameters | Normal working voltage | 0.8Un ~ 1.15Un |
Limit working voltage | 0.7Un ~ 1.2Un |
Power consumption | Voltage Circuit LCD <1.0W 5.0VA LED< 1.5W 5.0VA Current Circuit <1.0VA |
Display | LCD 99999.9 kWh |
Storage after outage | >20years |
Service life of CPU Card | >5000 operations |
Accuracy of clock | <0.5s/day |
Communication Protocol | Rs485 | In accordance with DL/T645-1997 |
Carrier Wave communication | In accordance with DL/T698-1999 |
Climatical Condition | Normal working temperature | -25℃~55℃ |
Limit working temperature | -30℃~60℃ |
Storage temperature | -40℃~70℃ |
Storage and working humidity | ≤85% |
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