
| Specification | DDS5558/1S | DDS5558/2S | DDS5558/12S |
| Accuracy | active | class 1.0 | |
| reactive | / | ||
| voltage | rated | 110V/120V220V/230V/240V | |
| range | 0.9Un-1.1Un | ||
| limit | 0.8Un-1.2Un | ||
| frequency |
| 50/60Hz | |
| current | range | CL100,CL200 | |
| starting current |
| 0.4%Ib | |
| constant | active | 1000imp/KWH | |
| reactive | / | ||
| display | Type | LCD lcd | |
| Digital | 6+1 | ||
| power comsumption | voltage circuit | <=1.5W | |
| current circuit | <=2VA | ||
| communoication | Interface | Optical/Infrared/RS485(optional) | |
| Protocol | MODBUS,DLT/645,IEC1107 | ||
| temperature | working temperature | ‘-45℃~+55℃ | |
| storage temperature | ‘-40℃~+70℃ | ||
| Humidity | <=90% | ||
| protection | IP54 | ||