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Print current pageProduct Description
- brief introduction
- technical parameter
- Product size
Application
DDSY450 series single-phase electronic prepaid watt-hour meter conforms to standard GB/T18460.3-2001 Prepaid Watt-hour Meters, all technical requirements for single-phase electronic watt-hour meters within standard GB/T17215.321-2008 Alternating Current Static Watt-hour Meters for Active Energy (Class 1 and class 2).
Normal working conditions and installationconditions
1. Specified working temperature：-10℃~+45℃；
2. Utmost working temperature：-25℃~+60℃；
3. Relative humidity:≤85% (at environmental temperature 23℃)
4. There shall be no harmful substances causing corrosion in the air
Main Technical data
1. Meter constant: refer to parameter in the nameplate.
2. Electric parameter: normal working voltage:
0.9~1.1 of reference voltage
Utmost working voltage: 0.8~1.15 of reference voltage
Power consumption: ≤2W/10VA
3. Data protection: data stored time after power off: ≥10 years
Main functions and features
1. Measure active electric energy, needn't to be corrected after working a long time.
2. Purchase electricity first, then use electricity;
3. Alarm for lack of residual electricity
4. Record information of power utilization
5. One card for one user, anti-electricity theft
6. Display residual electricity, accumulate and alarm electricity;
7. Can read user power utilization information backward
8. Test pulse of electric energy output
External And Installation Size
