Core values
Diligence and excellence, sincerity and goodness
DTSU1900-b is a multi-functional three-phase DIN Rail energy meter. It’ s designed for metering management applications in public buildings, industrial plants, intelligent microgrids, and other fields. DTSU1900-b can be used in multi-tenant submetering systems and energy management. The DTSU1900-b can measure electrical parameters, bi-directional energy metering,alarms and harmonics analysis. External current transformer access reduces installation time and is suitable for retrofit projects.
| Parameters | Accuracy | Resolution | Range |
| Voltage | 0.2% | 0.1V | 10V～1000 KV |
| Current | 0.2% | 0.001A | 5 mA～50000 A |
| Active Power | 0.5% | 0.001kW | -99～99 MW |
| Reactive Power | 0.5% | 0.001 kvar | -99～99 Mvar |
| Apparent Power | 0.5% | 0.001 VA | 0～99 MVA |
| Power Factor | 0.5% | 0.001 | -1.000～1.000 |
| Frequency | ±0.02 Hz | 0.01 Hz | 42.00～69.00 Hz |
| Active Energy | 0.5S | 0.1 kWh | 0～99999999.9 KWh |
| Reactive Energy | 0.5% | 0.1 kvarh | 0～99999999.9 Kvarh |
| Apparent Energy | 0.5% | 0.1 kVAh | 0～99999999.9 KVAh |
| Harmonics &THD | 2% | 0.01% | 0～600.00% |
| Unbalance | 2% | 0.1% | 0～100% |
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Metering Voltage, Current Active power, Reactive Power, Apparent Power, Power Factor Frequency Load Nature Four Quadrant Power and Energy Energy Bi-Direction and Four Quadrant Energy Daily and Monthly Energy Record Freeze Meter Reading Time of Use (TOU) Two TOU Weekend and Holiday Settings |
Demand Current Demand Power Demand Peak Demand Power quality Voltage Unbalance,Current Unbalance THD and Individual Harmonics to 31st Over/Under Limit Alarm Over or Under Setting Limit Power Measurement Parameters can be Set
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