Application:

       Model DDSY5558 single phase electronic prepayment active energy meter is a kind of single phase two wire active energy meter which purchase electricity by IC card, electric energy measuring, load control and using electricity management. The meter completely accord with relevant technical requirements of class 1 single phase active energy meter stipulated in international standard IEC 62053-21. It can accurately and directly measure 50Hz or 60Hz active energy consumption from single phase AC electricity net, it is used for installing meter box indoor or outdoor . This meter has LCD monitors shows active energy. It has following features: Good reliability, light weight, specious nice appearance, convenient installation, etc.

Functions and features:

1- Front board three fixed holes installation, the cover is made of PC material which is transparent and anti-UV molded overall, the base of the meter and the terminal block are made of quality bakelite material which is moisture-resistant, fire-retardant, high temperature molded overall . It has following features : Good weather ability, high rigid, good insulation performance, etc.

2- Have three tariffs, may select 12 daily period of times. You can set the date arbitrarily which can automatically read the meter every month. May select single tariff function in weekend.

3- There are a clock and Maintenance-free backup lithium batteries in it. Battery capacity detection and display all the time. It can keep the electricity data for 12 months. The data can be kept forever after power cut off.

4- May select cycle display (default) or push the button itemized display, it can display 14 data at most. Can select the data which displayed. The decimal median which displayed can choose set one or two.

5- A port of pulse output passive (polarity), complying with standard IEC 62053-31.

6- There are far infrared and a p ort of RS485 communication data. It is use for setting and reading the meter. Set and operation have password protection, communication protocol complying with standard DL/T645-1997.

7- Seven LCD instructions respectively power state, signal of power impulse, the direction of the trend of load current, the state rates just now and the data communications state.

8- Single direction measure single phase two wire active power consumption. It is nothing with direction of the trend of load current. Complying with standard IEC 62053-21.

9- Direct connect and use, there are two types you may select. Standard configuration type A connection.

10- Standard configuration extended terminals cover, may select short terminals cover, in order to protect to use electricity safely.