Description

1. General Model DDS***6B static single-phase watt-hour meter is designed by using special large-scale integrated circuit (IC). With advantages of few components, simple construction, high reliability, low power consumption and long service life, it is used in measuring xxxxx active energy with rated frequency *0Hz. The meter conforms to all technical requirements specified in IEC ****6, IEC*******1,and IEC*******1. 2. Features 2.1 Active energy measuring, without calibration need during long operating period. 2.2 Reverse energy counted into total energy register. 2.3 Adopting special large-scale integrated circuit and SMT technology, with advanced process and simple construction. 2.4 Adopting newest special integrated circuit for energy measurement with digital multiplier inside, as a result that dynamic working scope of meter is raised remarkably. 2.5 Excellent error linearity within 1%Ib~Imax. 2.6 Long service life and high reliability due to high-quality components adopted. 3. Specifications 3.1 Nominal voltage: **0V, **0V 3.2 Basic current: *0(*0)A, *0(*0)A, *5(*0)A, *0(*0)A, *5(**0)A, *0(**0)A 3.3 Nominal frequency: *0Hz/*0Hz 3.4 Accuracy: Class 1.0, 2.0 3.5 Start current: 0.5%Ib (CL2.0) 3.6 Power consumption: Less than 1W/*0VA 3.7 Climatic conditions: Normal operating temperature: **5°C~**5°C Limit operating temperature: **0°C~**0°C Relative humidity: &#***4;*5% 3.8 Weight: 0.*0kg 3.9 Size: **5mmx**3mmx*4mm