Tel: 0086-577-62654437
Fax: 0086-577-62736257
Mobile: 0086-13868798537
E-mail:info@cnefdq.com
Website: www.cnefdq.com
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%