DDSY666 single-phase prepayment energy meter is designed and manufactured for advancing payment and afterwards consumption. It has energy metering, power pre-purchase and maximum load function. It is used for power charge reform and improving power management level and reasonable and economical power consumption.                                                             

Function features:                                        

1. It can accurately measures forward & reverse active energy, and accumulates forward active energy to reverse active energy.   
2. Support energy pre-sale and power off after running out (off value can be set).                                              
3. The user information is safe and reliable with one card for one meter and multiple dynamic encryptions.                           
4. With information transform function, it can transform the metering data and working state of meter to power sales system for settlement, calculation and management.                                
5. With error and fault operation prompts function.                      

Adopt LED display and display current accumulative active total energy, surplus energy and last time purchased energy, and display 5 integers and 1 decimal.

• DDSY666 Single-phase Prepayment Electronic Meter