DDSF149 单相静止式多费率电能表

Single Phase Static Multi-rate Meter DDSF149 
1、measurement of electric energy flowing in two directions,data storage and set to a combination.
2、Time of use, up to 4 rates
3、Instantaneous measurement
Anti-tamper function
1、protection meter against strong magnetic field
2、cover open detection
3、reverse connection detection
Event record
2、program history latest 1 times
3、record of clock setting
4、record of time setting
5、reverse power event record
Liquid crystal display
Store billing energy value with sum and rate latest 12 months
RS485, optical communication