Core values
Diligence and excellence, sincerity and goodness
DDSU1820 is a cost-effective single-phase DIN Rail energy meter. It’s designed for measurement and management applications in public buildings, industrial plants, intelligent microgrids, and other fields. It features high accuracy, compact size. It is an ideal choice for building energy management systems, energy-saving monitoring, and electrical energy metering.
| Parameters | Accuracy | Resolution | Range |
| Voltage | 0.5% | 0.1V | 175V～265V |
| Current | 0.5% | 0.001A | 0.25A～40 A |
| Energy | 1S | 1 Wh | 0 kWh～3000000 kWh |
| Active Power | 1% | 1W | -10 kW～10 kW |
| Reactive Power | 2% | 1 var | -10kvar~10kvar |
| Apparent Power | 1% | 1VA | 0～10 kVA |
| Power Factor | 1% | 0.001 | -1.000～1.000 |
| Frequency | ±0.02 Hz | 0.01Hz | 50 or 60 Hz(±5%) |
