PRODUCT SHOW
DDS28 series single-phase
Static Watt-hour MetersDDS28 series single-phase electronic watt-hour meters adopt LSI and SMT technology. The key components are long-life international-brand products. The meters feature firm construction, good performance, calibration-free, long-term reliability, high overloading capability, and low power loss.
Basic function
Energy display by register or LCD
Bi-directional active energy measurement
Pulse LED indicates working of meter
Pluse output with optical coupling isolation
Optional function
Reverse current indicator
Anti-tampering
HF magnetic immunity and unidirectional register
Optical and RS485 communication
External tariff change-over
Backup battery for LCD display at power failure
Technical Date
| Applicable standard | IEC 62053-21 |
| Accuracy class | Class 1 |
| Working temperature | -30 ~+65¡æ |
| Working voltage range | 0.7~1.2Un |
| Power loss | Less than 0.7W or 6VA |
| Outline dimension L¡ÁM¡ÁH | BS meter case: 164¡Á124¡Á58mm DIN meter case: 224¡Á124¡Á60mm |
| Installation dimension L¡ÁM | BS meter case: 140¡Á106mm DIN meter case: 155¡Á105mm |
| Weight | Approx.0.6kg |
Specifications
| Rated voltage(V) | 110V, 120V, 220V, 230V, 240V | |||
| Reference frequency | 50Hz or 60Hz | |||
| Basic current (Maximum current)A |
1.5(6) | 5(20) | 10(40) | 20(80) |
| 2.5(10) | 5(30) | 10(60) | 20(100) | |
| Other customized specifications | ||||
