DDSF732-2025-L1Li1 SINGLE PHASE MULTI-RATE ENERGY METER

SPECIFICATION:
Used for AC single phase active energy measuring. 
Wall-mounted installation type, smart design
Display type: LCD, unit is kWh, record accumulated total active energy.
Display range: 5+1, 6+1
Accuracy active energy measuring, no need deg ing for long time work

STANDARDS:
According to IEC62053-11 standard
According to IEC62053-21 standard

FUNCTIONS:
Total energy= positive active+negative active 
Indicate of bypass stealing electricity
Display data after power off 
Total transparent long type terminal cover design
Near-infrared communicating function
Flip the screen by button

TECHNICAL SPEC.
Reference voltage (Un):110V, 120V, 220V, 230V, 240V
Normal work voltage: 80%~120%Un
Limit work voltage： 70%~130%Un
Current spec. Ib (Imax): 5(60)A,5(100)A，10(60)A,10(100)A
Reference frequency：50Hz, 60Hz
Starting current： 0.004Ib
Connection type choice: single phase two wires, L, L, N, N    L,N,N,L 
Impulse constant：1200imp/kWh
Standard level：1.0class,2.0class
Power consumption of meter：<0.6W
Working life：not less than 10 years
Communicating protocol: IEC62056-21
Data store: data will always be stored after power off (mechanical counter)
Impulse output: LED impulse, optical coupler output
Impulse width: 80±20ms 
Size of the appearance:（mm）：177*118*52

WORKING ENVOIRENMENT:
Working temperature: -35℃~70℃
Limit working temperature: -40℃~80℃
Store and ship temperature: -40℃~85℃
Relative humidity:：=<95%
Atmospherie pressure：63kPa~106.0kPa