DDSY483单相电子式预付费电能表
1. Application
DDSY483single phase electronic prepayment kilowatt-hour Meter module is a kind of new style prepayment meter module, it adopts energy measurement chip of ADI company of American; uses CPU processing the data, displaying and controlling relay action; advanced hardware and strong rework process by software; reliable electricity net controlling and circuit design of preventing electromagnetic disturbance. It has following features: Good reliability, high accuracy, big capability for over loading, low power consumption, small volume, light weight, long life and good perform with suitable price, easy setting into meter case and to assemble etc. It can accurately and directly measure active energy consumption from single phase AC electric power and executive prepayment functions.
2 Technical parameters
Rated voltage: AC200V 50Hz
Specification: 2.5(10)A 5(20)A 10(40)A 15(60)A
Accuracy: Class1 Class2
Working temperature range: -20℃～+55℃
Power loss: ≤1.5W
Starting Current:≤0.004Ib
Executive standards: GB/T GB/T
3. Functions and feature
1) Presell electricity; auto-cut down power when run out of, Can setup one overdraft sum of the fixed amount.
2) Remind to purchase electricity. When the residual electricity close with overdraft sum, meter will be alarm. The alarm’s electric value and mode can setup agilely according to actual need.
3) Digital display various datas, the function of returning display is easy for power supply department to manage
4) One meter with one card have multiply dynamic encrypt to assure customer safety to use
5) With the function of prevent electricity theft to realize the reliabeguards against steals the electricity truly.
6) Particular design of prevent meter crash and many rework process to protect meter safety working.
7) The function of supervise electricity supply to assurance data will not throw away, and make measure electricity exactly correct.(When powe