Zhejiang Erfeng Electric Power Technology Co., LTD

DDSY6789 single phase electronic prepaid
energy meter

DDSY6789 single phase electronic prepaid
energy meter performance at the electron-type to prevent the thef of electric
energy meter based on the use of dedicated control prepaid chip developed. In
line with the national standard GB/T17215-2002,GB/T18460-2001.

Features

Measurement of active power, long-term use
without adjustment

High-strength eneryption algorithm, one
meter one card, mutual non-GM, has a good reliabilty

First purchase of electricity then uses
electricity. Set alarm levels, electricity consumption can be acousto-optic
alarm and power failure alarm

Power-down after more than 10 years data
retention

Insert the user card, the power meter to
the card information in the write-back of electricity, the sale of electricity
via a computer system can know the operation of electric energy meter

Maintain the use of large capacity magnetic
relays, wide operating voltage range, high reliability

Insert the card to purchase electricity,
electric meter shows the remaining capacity the cumulative power consumption

8 high-brightness LCD screen or 4 LED
digital tube dual display, high reliability

Unique anti-static mountIC
design, can withstand 8KV ESD attack.

Techincal
specificaitons

Reference votlage:220v

Reference frequency:50Hz

Reference current: 1.5(6)A, 2.5(10)A,
5(20)A, 10(40)A, 20(80)A

Level accuracy: 1 or 2

Logic design with anti-submarine

Voltage range: 0.7Un~1.3Un

Power:< 1W/5VA

Environment conditions:

Standard working conditions: -3℃0~70℃

Extreme operating temperature: -40℃~75℃

Relative humidity: ≤85%