ddsy1540 prepayment double display power meter 10(40)A
Main Feature:
1. Purchase energy power first,then can use it.Run out power and cut off.
2. 5digit nixie tube display remaining electric quantity and mechanical counters display
accumulative total power consumption.
3. Power-off alarm: When energy power less 10kw.h(can be set) Atomatic power off.
Resume power when insert user card.
4 Overload alarm: When the user average power exceeds the preset value for more than
one minute, the electricity meter will automatically stop power supply.
It will resume power supply automatically 5 minutes later.
5 Strongly encryption: By using the encryption card and dynamic encryption algorithm,
system data can not be decrypted.
6 Magnetic latching relay: Using high power magnetic latching relay,
low power consumption and high reliability.