The DDZ188-Z/J series single-phase smart energy meter (hereinafter referred to as the energy meter) is designed and manufactured using advanced microelectronics technology and SMT processes. It features strong functionality and good stability, making it an advanced and reliable product suitable for time-of-use billing for residential users.
DDZ188-Z/J Series Single-phase Smart Energy Meter
Model Name
|
Name |
Grade |
Active current specification |
Reactive current specification |
Recommended Constants (imp/kWh imp/wvaeh) |
|
Single-phase intelligent electric energy meter (switch built-in) |
Active: Grade A Reactive: Class 2 |
220V,0.25-0.5(60)A |
0.5(60)A |
2000 |
|
Single-phase intelligent electric energy meter (external switch) |
Active: Grade A Reactive: Class 2 |
220V,0.25-0.5(80)A |
0.5(80)A |
2000 |
Function Description
|
Name |
Combined active, forward active, reverse active |
|
Combined reactive, with separate metering for all four reactive quadrants |
|
|
Timing freezing, instantaneous freezing, agreed freezing of electricity |
|
|
Freezing on the hour, freezing on the day and freezing on the month |
|
|
Electricity for 24 settlement days on storage |
|
|
Support 4 decimal high precision power |
|
|
Measurement and monitoring |
Voltage, current, reactive power, frequency and other instantaneous quantity detection |
|
Multi-rate |
Multi-rate metering (supports 12 rates, 14 time periods) |
|
Clock temperature compensation |
|
|
Event Logging |
Zero clearing record, programming record, clock setting record, broadcast timing record, switch-off record, switch-on record, meter cover opening record, overcurrent record, pressure loss record, load switch misoperation record, key update record, ladder table programming record, time table programming record, active combination mode programming record, reactive combination mode programming record, event zero clearing record, power failure record, zero line current anomaly record, clock fault record, metering chip fault record, power abnormal record, clock battery undervoltage record, clock battery replacement, communication module replacement record, communication module abnormal record, low voltage record, high voltage record |
|
Communication and Pulse |
RS485, Infrared, Bluetooth |
|
Carrier, micro-power wireless, dual-mode communication module optional |
|
|
Active LED pulse and switch indicator |
|
|
Pull-on |
Remote switch-on (optional with built-in relay/external relay) |
|
Other |
Battery can be replaced |
Technical indicators
|
Project |
Indicators |
|
Voltage measurement range |
0.6Unom~1.3Unom |
|
Current measurement range |
0.2ltr ~ 1.2lmax |
|
Power measurement range |
PQ (starting power) ~ 1.3 Unomx1.2lmax |
|
Frequency measurement range |
47.5Hz ~ 52.5Hz |
|
Reference frequency |
50Hz |
|
Clock accuracy |
≤ ± 5S/24h(23 ℃)≤ ± 1s/24h(-25 ℃ ~ +70 ℃) |
|
Voltage line power consumption |
Without module: active power ≤ 1.5W, apparent power ≤ 6VA; With module: active power ≤ 2W, apparent power ≤ 8VA; |
|
Current apparent power consumption |
≤ 1VA |
|
Weight |
> 0.7kg |
